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  • 2901.
    Xiao, L.
    et al.
    Chalmers University of Techonology, Göteborg.
    Rosén, Bengt Göran
    Halmstad University, School of Business and Engineering (SET), Mechanical Engineering and Industrial Design (MTEK), Functional Surfaces.
    Nilsson, P. H.
    Volvo Technology Corporation.
    Kalin, M.
    Centre for Tribology & Technical Diagnostics, Slovenia.
    Vižintin, J.
    Centre for Tribology & Technical Diagnostics, Slovenia.
    Rolling and rolling-to-sliding contact behaviour of DLC coatings2005In: Life cycle tribology: proceeding of the 31st Leeds-Lyon symposium on tribology held at Trinity and All Saints College, Horsforth, Leeds, UK, 7th-10th September 2004 / [ed] Dowson, D., Amsterdam: Elsevier, 2005, p. 213-220Conference paper (Refereed)
  • 2902.
    Xiao, Li
    Halmstad University, School of Business and Engineering (SET), Mechanical Engineering and Industrial Design (MTEK).
    Gear tribology: friction and surface topography2005Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    The quest for energy efficiency leads to the development of highly efficient power transmissions for vehicles. Gears are some of the most rugged and durable torque transmitters among machine elements. Friction between sliding surfaces at gear teeth is one major source of power loss. To increase efficiency and reduce damage accumulation in gears has always been a background motivation to this thesis. It focuses on the frictional performance of manufactured gear surfaces with emphasis on the effect of surface topography and the orientation of its lay.

    To achieve the goal of this work, a test rig was designed and constructed. The rig makes it possible to examine gear tooth friction on double crowned rollers. Five alternative gear-finishing processes are implemented in roller surface preparation. They comprise grinding, shotpeening, phosphating, chemical deburring and DLC coating. Theoretically, a friction model is suggested which helps to explain some of the testing results. Advanced surface metrology techniques and statistical tools are implemented in identifying surface features that influence friction.

    The result demonstrates that surface topography is a significant factor affecting the lubricated frictional behaviour. For ground-finishing, the smoother the surfaces are finished, the lower friction coefficient they show. Chemical deburring and DLC coating as well as certain degrees of phosphating provide minimum friction coefficient and improved load carrying capacity, which are competitive to fine-ground finishing. Properly designed lay combinations of meshing gear surfaces can minimise friction and improve gear transmission efficiency. Theoretically, the friction coefficient can be explained by means of a combination of the slide-to-roll ratio and the real mean contact pressure within the range of loads considered in this thesis. Finally, features that correlate surface topography to friction are identified.

  • 2903.
    Xiao, Li
    et al.
    Chalmers University of Technology, Gothenburg, Sweden.
    Amini, Naser
    Volvo Car Corporation, Gothenburg, Sweden.
    Rosén, Bengt-Göran
    Halmstad University, School of Business, Engineering and Science, Mechanical Engineering and Industrial Design (MTEK), Functional Surfaces.
    An Experimental Study on the Effect of Surface Topography on Rough Friction in Gears2001In: Proceedings of the JSME International Conference on Motion and Power Transmissions: MPT2001-Fukuoka; November 15 - 17, 2001, Fukuoka, The Japan Society of Mechanical Engineers , 2001, Vol. 2, p. 547-552Conference paper (Other academic)
  • 2904.
    Xiao, Li
    et al.
    Chalmers University of Technology, Production Engineering, Göteborg, Sweden.
    Björklund, Stefan
    KTH, Machine Design, Stockholm Sweden.
    Rosén, Bengt Göran
    Halmstad University, School of Business and Engineering (SET), Mechanical Engineering and Industrial Design (MTEK), Functional Surfaces.
    The influence of surface roughness and the contact pressure distribution on friction in rolling/sliding contacts2007In: Tribology International, ISSN 0301-679X, E-ISSN 1879-2464, Vol. 40, no 4, p. 694-698Article in journal (Refereed)
    Abstract [en]

    A numerical contact model is used to study the influence of surface roughness and the pressure distribution on the frictional behaviour in rolling/sliding contacts. Double-crowned roller surfaces are measured and used as input for the contact analysis. The contact pressure distribution is calculated for dry static contacts and the results are compared with friction measurements in a lubricated rolling/sliding contact made with a rough friction test rig. The mean pressure is suggested as a parameter that can be used to predict the influence of surface roughness on the friction coefficient in such contacts. The results show two important properties of the friction coefficient for the friction regime studied in this paper: (1) there is a linear decrease in friction coefficient as a function of the slide-to-roll ratio, and (2) the friction coefficient increases linearly with increasing mean contact pressure up to a maximum limit above which the friction coefficient is constant. The absolute deviation of experimental results from the derived theory is for most cases within 0.005.

  • 2905.
    Xiao, Li
    et al.
    Department of Production Engineering, Chalmers University of Technology, Gothenburg, Sweden.
    Rosén, Bengt-Göran
    Halmstad University, School of Business, Engineering and Science, Mechanical Engineering and Industrial Design (MTEK), Functional Surfaces.
    Amini, Naser
    Volvo Car Corporation, Gothenburg, Sweden.
    Surface lay effect on rough friction in roller contact2004In: Wear, ISSN 0043-1648, E-ISSN 1873-2577, Vol. 257, no 12, p. 1301-1307Article in journal (Refereed)
    Abstract [en]

    Surface lay describes the direction of the predominant surface pattern. A properly designed surface texture configuration has been recognised as a vital issue affecting lubrication and sliding in machinery applications in the literature. Gaining understanding of this tribological phenomenon is no doubt beneficial in facilitating the production of more efficient machine parts and thus reduces production cost. This paper describes an experimental method to investigate the effect of surface lay on lubricated rolling/sliding of ground roller surfaces. By using the rough friction test rig, different surface lay contacts can be simulated and the friction can be measured. Friction behaviour was interpreted in terms of Stribeck curves (friction coefficient as the function of Hersey parameter [ηv/p]). Results show that an optimal contact lay angle that provides a minimum friction value is achievable through rig testing. The relative sliding speed direction has a symmetrical effect on friction at the same lay orientation; for sliding speed angles less than about 80, the larger the angle, the lower the friction, and vice versa. © 2004 Elsevier B.V. All rights reserved.

  • 2906.
    Xiao, Li
    et al.
    Department of Production Engineering, Chalmers University of Technology, Gothenburg, Sweden.
    Rosén, Bengt-Göran
    Halmstad University, School of Business, Engineering and Science, Mechanical Engineering and Industrial Design (MTEK), Functional Surfaces.
    Amini, Naser
    Volvo Car Corporation, Gothenburg, Sweden.
    Nilsson, Per H.
    Volvo Technological Development, Gothenburg, Sweden.
    A study on the effect of surface topography on rough friction in roller contact2003In: Wear, ISSN 0043-1648, E-ISSN 1873-2577, Vol. 254, no 11, p. 1162-1169Article in journal (Refereed)
    Abstract [en]

    The friction behaviour of gear teeth in the context of tribology can have a strong effect on housing vibration, noise and efficiency. One of the parameters that greatly influences the friction under certain running conditions is surface roughness. In this work, rough friction was studied in lubricated sliding of roller surfaces, which were manufactured to simulate the real gear surfaces. By examining 3D surface topography of two mating bodies, both surface roughness and its effect on friction behaviour can be studied. In a previous study, a rough-friction test rig has been designed, constructed and initially verified. The types of surfaces involved in this study are ground, shot-peened, phosphated and electrochemically deburred. These rollers were subjected to the same friction testing procedures. Roller surfaces were then examined, and correlation between the topography and the frictional behaviour was analysed. Friction behaviour was interpreted in terms of Stribeck curves (friction coefficient as the function of Hersey parameter (ην/p)). The results showed that electrochemically deburred and certain phosphated surfaces provide lower friction coefficient values which are competitive to fine-ground surfaces in lubricated rolling/sliding contact. © 2003 Elsevier Science B.V. All rights reserved.

  • 2907.
    YANAMANDRA, LAKSHMI NAGA SWETHA
    Halmstad University, School of Business, Engineering and Science.
    OPTIMAL ENERGY DESIGN FOR A SYSTEM OF PUMPED HYDRO-WIND POWER PLANTS2018Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    ABSTRACT

     Awareness and concern regarding the environmental effects of greenhouse gas emissions and depletion of non-renewable energy sources has increased over the last decades. A considerable development of new technology for renewable energy has occurred globally as an answer to this concern. There has been a major progress in production of electricity and heat generated from solar, wind, ocean, hydropower, biomass, geothermal resources, and biofuels and hydrogen.

    Consequently, the development of energy storages has become an imperative part, for integration of renewable energy. It is beneficial for the entire supply chain, for dependability and better stability, and for enhanced quality of electrical power.

    This thesis is exploring an optimal energy design for a system of pumped hydro-wind power plants including storage. Solutions with Pumped Hydro Storages have a great potential for their balancing role necessary for a higher degree of renewable energy sources, RES, in the energy systems because of the intermittent and variable nature of these sources.

    Tehri pumped hydro storage plant, in Uttarakhand, India is one of the objects studied in this thesis. The systems total efficiency of 93%, calculated from head losses, is discussed as well as wind potential and its impact. Wind data is obtained from National Institute of Wind Energy (NIWE) and analysed using the software tools MATLAB and WindPro. The finally chosen area explored for wind potential is Ramakkalmedu, Idukki district, Kerala, India. After selection of site within the area, three different turbines; Siemens SWT-3.2-113 3.2 MW, Enercon E-126 4.2MW, and Enercon E-126 7.58MW were considered for analysis.

    The analysis consists of several parts; Wind farm modelling, Noise estimation of Wind Park, estimation of Annual Energy Production (AEP), Capacity factor, Wind park efficiency with respect to the storage/reservoir´s base load variation. Results are achieved for all three turbines. The overall conclusion is that combined hydro and wind power with a pumped storage, is a satisfactory method for bulk energy store to address peak loads, which is validated by this thesis.

     

    Keywords: Pumped Hydro, Wind farm, Energy Storage, Renewable Energy.

  • 2908.
    Yang, Fan
    Halmstad University, School of Business, Engineering and Science, Biological and Environmental Systems (BLESS).
    Mesophilic anaerobic digestion conducted in single unit reactor at increasing ammonia concentrations2011Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The use of mesophilic anaerobic digestion for treatment of organic wastes is a growing biotechnology for sustainable energy supply. Ammonia inhibition is a major problem in anaerobic digestion mainly when digestion of nitrogen-rich substrates such as livestock wastes and manure occurs. This paper provides a summary of research conducted on ammonia inhibition of the anaerobic process. An experiment with mesophilic digestions of swine manure was conducted in single unit reactors, which were controlled under different ammonia concentrations by addition of NH4Cl in different amounts. From the experimental results, it was shown that NH4Cl could be an effective chemical agent for removing foam and scum in the digester. Methane production was decreased with the increasing NH4Cl addition until a collapse was observed between 11.2 g NH4+-N/l and 13.2 g NH4+-N/l. Contrary to the findings in thermophilic digestion, a dysfunction of acidogenesis was also observed since both gas and methane production was delayed with increasing NH4Cl addition. These findings suggest different ammonia inhibition principles in mesophilic and thermophilic digestion. It was further indicated that methanogenesis could produce a high percentage of methane although gas production was inhibited.

  • 2909.
    Yang, Menghui
    Halmstad University, School of Business, Engineering and Science.
    Wetland plants for biogas: perspectives of species and pretreatments for enhanced methane yield2017Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The thesis is aimed to find out the performance of Arundo donax, Phragmites australis, Typha angustifolia, Typha latifolia on methane yield for biogas production and the influence of grinding and cutting to these 4 species. The anaerobic digestion results showed that Arundo donax is the most promising species to produce methane, which was 441 L/kg VS after pretreatment with grinding, 355 L/kg VS of cutting. Grinding significantly increased methane production compared to cutting for these wetland plants. The thesis also reviews the performance of 8 species on methane production, treated with different pretreatments. Phalaris arundinacea L. revealed the highest methane yield among the 8 species being reviewed. The sizes of plants after grinding or cutting have significant influences on methane production. Physical pretreatments are worth recommending for environmental benefits and excellent performance on methane yield. More attention ought to be put on techniques of grinding, not only the efficiency-increasing but also the cost-reducing. Moreover, a general evaluation ought to be performed on cost and environmental influences hence we could achieve both the economic and environmental profits from utilizing of different wetland plants.

  • 2910.
    Yar Hamidi, Daniel
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL). University of Borås, Borås, Sweden.
    Chairperson leadership and entrepreneurial strategic posture in SMEs: a conceptual framework and research model2016Conference paper (Refereed)
    Abstract [en]

    This paper outlines a conceptual framework with a research model for understanding innovation-promoting board leadership in entrepreneurial small and medium-sized enterprises (SMEs). The framework and research model depict the behavioural aspects of board leadership and how these are related to strategy development and the entrepreneurial strategic posture of entrepreneurial SMEs. Engaging in innovation is identified as a fundamental strategic posture in entrepreneurial SMEs. The advantages of a team production perspective on board leadership embedded in behavioural theories are discussed, as are the theoretical and managerial implications of the proposed framework and research model.

  • 2911.
    Yar Hamidi, Daniel
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL). University of Borås, Borås, Sweden.
    Governance for Innovation – Board Leadership and Value Creation in Entrepreneurial Firms2016Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    This dissertation has identified, developed and empirically tested concepts associated with the capacity of chairpersonship to promote innovation in entrepreneurial small and medium-sized enterprises (SMEs). A multi-methodological approach is applied in five studies, comprising a systematic literature review, three empirical studies and a concluding conceptual paper.

    The dissertation focuses on how the chairperson of the board of directors influences value creation in entrepreneurial SMEs. Value creation in this context is about the performance of strategic leaders at entrepreneurial firms’ upper echelons in acting and making strategic choices aimed at increasing firms’ capability to engage in innovation. Innovation is defined as the generation and/or adoption of an idea or behaviour, relating to a product, service, device, system, policy or program, which is new to the adopting organization.

    Innovation has been widely recognized as a concept central to economic growth and societal development. Governance is widely recognized as essential for the support and development of innovations in firms. However, the academic literature is scarce regarding how the chairperson of the board can contribute to and promote innovation in SMEs.

    This dissertation offers theoretical and empirical insights into how the chairperson of the board of directors influences value creation in entrepreneurial SMEs. In this respect, the dissertation offers a conceptual framework and a research model for understanding board leadership in promoting innovation in entrepreneurial SMEs. The framework and research model emphasize the behavioural aspects of board leadership and show how these are related to the development of entrepreneurial SMEs.

    Furthermore, the findings in this dissertation provide actionable knowledge for practitioners and policymakers. In this respect, the dissertation contributes theoretical and empirical understandings of the benefits of employing external chairpersons with relevant knowledge and experience in SMEs. These insights also provide practitioners with advice on the qualifications and processes that can help them to develop innovation-promoting boards.

  • 2912.
    Yar Hamidi, Daniel
    et al.
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL).
    Gabrielsson, Jonas
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL).
    Chairpersonship and board strategy involvement in small and medium-sized enterprises2018In: Journal of Leadership, Accountability and Ethics, ISSN 1913-8059, Vol. 15, no 2, p. 86-97Article in journal (Refereed)
    Abstract [en]

    A critical issue when setting up a board of directors in small and medium-sized enterprises relates to the chairperson position. This study examines whether and how chairperson’s experience and leadership influence the extent to which the board of directors is involved in strategy. We rely on survey data from multiple respondents in 326 firms and use regression analysis to test our hypotheses. We find that chairpersons’ board experience and leadership efficacy have a positive and significant effect on boards’ involvement in strategy. Our findings provide ample support for the significance of chairperson behaviours in explaining board outcomes in firms.   

  • 2913.
    Yar Hamidi, Daniel
    et al.
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL). University of Borås, Borås, Sweden.
    Gabrielsson, Jonas
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL). Lund University, Lund, Sweden.
    Developments and Trends in Research on Board Leadership: A Systematic Literature Review2014In: International Journal of Business Governance and Ethics, ISSN 1477-9048, E-ISSN 1741-802X, Vol. 9, no 3, p. 243-268Article in journal (Refereed)
    Abstract [en]

    This paper presents a systematic literature review of 139 articles on board leadership that were published in business and management journals since 1980s. Journal names, author country affiliations, topics and focus levels, theories, empirical contexts, and methodologies are presented and analysed. We also assemble and analyse this data thematically in order to identify and frame developments and trends in researchers ideas on board leadership. This analysis provides guidance for researchers by identifying different research streams on board leadership. The analysis may also serve as basis for theory development in board leadership research that can inform policymaking and best practice recommendations. Copyright © 2014 Inderscience Enterprises Ltd.

  • 2914.
    Yera, Daniel
    et al.
    Halmstad University, School of Business, Engineering and Science.
    Pichou, Alexandra
    Halmstad University, School of Business, Engineering and Science.
    Sports Marketing in European Clubs2015Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Sports marketing have been growing constantly over the last years and have become a key for the success of the football clubs. The methods used have become more sophisticated and an increasing number of clubs are realizing the importance of the marketing and specially the promotion strategies. The purpose of this study is to have a better understanding on how the communication strategies are being used in the European football teams (French, Spanish and German) to attract fans to their stadiums. In order to reach this purpose, research question is focused on how the European teams use this promotion strategies to attract people to the stadium. Based on this research question, a review of relevant literature was conducted, resulting in a frame of references, which was used to guide this study's data collection. A qualitative, multiple case study approach was used to find the data. The findings indicate that although his individual objectives of the tools can be different they can still be used overall to lead to the same overall goal.

  • 2915.
    Yngve, Christel
    Halmstad University, School of Business, Engineering and Science.
    Oljeavskiljare SS EN 858 - en inventering av kommunernas kontroll och tillsyn2019Student thesis
    Abstract [en]

    To avoid harmful substances it is important that emissions such as oil, gasoline, grease and sludge are cleaned by oil separators to reduce damage to the human health and the environment. But also to prevent high levels of oil from waste water to sewage treatment plants which can disturb the purification process. The aim with this work is to find out that the municipalities fulfill the requirements in the environmental framework. By supervising the 5-year inspection of oil separators according to SS EN 858 on the stormwater and wastewater network. To find out this, inquiries were sent by e-mail to all 290 municipalities in Sweden. The results show that the inventories of oil separators have not been carried out to the proper extent. The municipalities can follow the supervision pursued according to the environmental guidelines and environmental goals but an inventory is also needed to know how many oil separators are present in the municipalities. The oil separators are usually controlled with other supervisions. A 5 - year inspection of oil separators that were sufficiently good has only been made by 2 municipalities. 5 – year inspection must be carried out even if the operations have not been running for 5 years. The conclusion from this study is that oil separators have been a neglected area in most municipalities. Hopefully this inquiry can be a reminder to start with inventories in those municipalities.

  • 2916.
    Yohannes, Meaza Tadesse
    Halmstad University, School of Business, Engineering and Science.
    Bioenergy production from beach-cast macro algae: The West Coast of Sweden2015Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Excessive algae growth/ bloom has become a commonly observed phenomenon in many water bodies globally due to eutrophication. This phenomenon has also been observed in the Baltic Sea which create nuisance in many Baltic coastal communities when the macro algae of different species is washed ashore by wind and wave, which is known as “beach cast algae”. In recent years various Baltic projects have been commenced in order to utilize “beach cast algae” for energy production via anaerobic digestion technology. Harvesting beach cast macro algae for energy production not only give a renewable energy but also improve tourism and recreation, as well as largely contribute towards the marine ecosystem by reducing nutrient load. However, high concentration of heavy metal especially of cadmium in macro algae has limited the potential of anaerobic digestion since cadmium would limit the bio-fertilizer potential of the fermentation residue/digestate. Different heavy metal removal technique has been suggested so far but their potential on large scale application as well as the economic and environmental aspects of the removal techniques are unknown. The present thesis focuses on the west coast of Sweden and evaluate the possibility of combustion of beach cast macro algae in an already existing waste incineration plant. Furthermore, three different scenarios for energy extraction from beach cast macro algae are compared from an energy balance perspective. The study was based on a case study, literature review and energy balance analysis. The result showed combustion of both raw and digested macro algae in an already existing waste incineration plant would give a solution for coastal algae problem regardless of high cadmium content, moisture and ash content of macro algae. Energy extraction via combustion of raw as well as digested macro algae gave a positive energy balance. Anaerobic digestion of macro algae for instance with sewage sludge followed by combustion of the fermentation residue would give more benefit from energy point of view and could be used for cases of beach cast macro algae with high concentration of cadmium.

  • 2917.
    Yousaf, Daowd
    Halmstad University, School of Business, Engineering and Science.
    Lyft anpassad efter en Golf boll Plockare2016Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
  • 2918.
    Yue Wen, Zhao
    Halmstad University, School of Business, Engineering and Science.
    Key Success Factors behind Mobile Games: A Business Model for the Chinese mobile game market2015Independent thesis Advanced level (degree of Master (One Year)), 40 credits / 60 HE creditsStudent thesis
    Abstract [en]

    The research question is formulated as “what are the key success factors making a mobile game become a big success in China? ” to view the key success factors behind new launched mobile games and how company’s business model and marketing strategy that bring them into and help them succeed in the China market.

     

    A qualitative method with the deductive approach has been using in this paper to be able to answer and interpret the studied questions. Four in-depth interviews were conducted to collect the primary data, which have been following as the purpose is to do a cross-case analysis to identify the similarities and difference of each company behave their business model and marketing strategy, to contribute game success in China market.

     

    The main factors contributing to the success of mobile game in China market including internally strategic factors and externally tactic factors. Technical skill and resource, R&D ability and market knowledge and experience as the internal key success factors behind mobile game success in China. The mobile game companies use localization, wide distribution channel collaboration and social integration to suit the market needs and requirements.

     

    From the results of the study have been identified to as to how is the business model for the China mobile game market. Through collaborating with abroad local distribution channel can increase their knowledge capacity of the local market to create a better value proposition. In China mobile game market, social integration and cross promotion can be seen as very important and through collaborating firms can work around these factors and create, capture and deliver better value to the customers.

  • 2919.
    Yunusova, Johanna
    et al.
    Halmstad University, School of Business, Engineering and Science.
    Jonsson, Johanna
    Halmstad University, School of Business, Engineering and Science.
    VELOX2019Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [en]

    The purpose of the project has been to offer parents an easier everyday life with the help of research, where they can follow their child's growth curve in a new and innovative way. The whole project resulted in a simple product consisting of a measuring tool connected with a smartphone application where the measurement parameters of weight, length and waist measurement will be visualized in an educational way. With a new way of keeping track of growth parents will never again have to consider centimeters and kilograms, but at the same time be aware of unhealthy patterns.

    The product is called VELOX and offers customer and user convenience, time saving, simplicity and risk reduction during growth. The vision is to offer the product as a free kit for all families with children through the child healthcare centers.

  • 2920.
    Zachrisson, Carin
    et al.
    Halmstad University, School of Business, Engineering and Science.
    Sjöström, Viktor
    Halmstad University, School of Business, Engineering and Science.
    Dagligvaruhandelns implementering av e-handel: En studie om hur företag arbetar i en pågående förändringsfas2018Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Background and problem: It is only in recent years that e-commerce of groceries has gained momentum. Between 2014 and 2016, the annual increase in digital food sales was approximately 30% and it is expected to increase sharply in the future. In an article from Svenska Dagbladet, it is found that food giants are making millions of e-commerce losses, but in spite of that, they strive to sell food online.

    Purpose: The purpose of the study is to describe and explain how companies in the grocery trade are working to secure growth as a result of the e-commerce development of groceries.

    Method: The method is based on a qualitative approach with semistructured interviews as the basis for the primary data collection. The sample of interviewees comprised five respondents from various grocery stores in Halland and Northern Skåne, all offering e-commerce as analternative to the physical store.

    Theory: The theoretical reference framework on which the analysis is based consist of competition strategies, integration of different sales channels and customer loyalty.

    Conclusion: Through the study, we have come to the conclusion that the stores work in asimilar way to ensure future growth. What distinguishes them and which probably affects the degree of e-commerce growth is how well the stores prepared for the implementation of ecommerce in the form of offering a smooth solution for the customer, and how they then work with the range and pick-up efficiency.

  • 2921.
    Zahouani, Hassan
    et al.
    Laboratoire de Tribologie et Dynamique des Systèmes, ENIS, St. Etienne, France.
    Mezghani, M.
    Laboratoire de Mécanique et de Procédés de Fabrication, Arts et Métiers ParisTech, Châlons en Champagne, France.
    El Mansori, M.
    Laboratoire de Mécanique et de Procédés de Fabrication, Arts et Métiers ParisTech, Châlons en Champagne, France.
    Rosén, Bengt-Göran
    Halmstad University, School of Business and Engineering (SET), Mechanical Engineering and Industrial Design (MTEK), Functional Surfaces.
    Thomas, Tom
    Halmstad University, School of Business and Engineering (SET), Mechanical Engineering and Industrial Design (MTEK).
    Effect of Hölder Exponent of Roughness in Contact and Dry Friction Problems2009In: Proceedings of the 12th International Conference on Metrology and Properties of Engineering Surfaces / [ed] P. Pawlus, L. Blunt, B.-G. Rosén, T. Thomas, M. Wieczorowski, H. Zahouani, Rzeszow: Rzeszow Univ. of Technology , 2009Conference paper (Refereed)
  • 2922.
    Zahouani, Hassan
    et al.
    Laboratoire de Tribologie et de Dynamique des Systèmes, Ecole Centrale de Lyon, Ecully, FRANCE; Ecole Nationale d'Ingénieurs, Saint-Etienne, France.
    Rosén, Bengt-Göran
    Halmstad University, School of Business and Engineering (SET), Mechanical Engineering and Industrial Design (MTEK), Functional Surfaces.
    Thomas, Tom R.
    Halmstad University, School of Business and Engineering (SET), Mechanical Engineering and Industrial Design (MTEK), Functional Surfaces.
    10th International Conference on Metrology & Properties of Engineering Surfaces: Guest editorial2008In: Wear, ISSN 0043-1648, E-ISSN 1873-2577, Vol. 264, no 5-6, p. 381-381Article in journal (Refereed)
  • 2923.
    Zahra, Abdulkarim
    Halmstad University, School of Business, Engineering and Science.
    Ingenting är gratis!: En undersökande studie av affärsmodellen gratis på internet2016Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Titel:                                   Ingenting är gratis!                                             - En undersökande studie av affärsmodellen gratis på internet.

    Författare:                         Zahra Abdulkarim

    Handledare:                       Klaus Solberg Soilen

    Examinator:                      Ulf Aagerup

    Nivå:                                  Kandidatuppsats, ekonomi (15hp), VT16

    Nyckelord:                         Gåvor, freemium, treaktörsmarknad, korssubventionering, BMC,                           BMI,  gratis

    Syfte & Frågeställning:    Syftet med studien är att ta reda på vilka förutsättningar som finns                        för affärsmodellen gratis. Detta på grund av att internet med sin                                  stora trafik skapat stor konkurrens.

                                                          

                                                Vilka förutsättningar finns det med affärsmodellen                                                    "gratis/kostnadsfritt"?

                                                Hur kan affärsmodellen etableras i företag som inte arbetar med                            den idag?

     

    Metod:                               En kvalitativ och abduktiv ansats har använts för att undersöka                              studien. Kvaliteten ligger i att informationen från sekundärkällor                                         analyserat snarare än beräknats. Undersökningen består av ett                                        dokumenturval eftersom information inte är framtagen av                                             forskaren.

    Teori:                                 Business model canvas, BMI och SWOT är modeller som använts                         för att analysera de olika beståndsdelarna i affärsmodellen gratis.                                      Vidare har även prissättning och psykologiska aspekter av pris                                         tagits upp.

    Empiri:                              Affärsmodellen gratis har delats in i fyra underkategorier. Studien                         är baserad på tio olika företag som använder gratis som                         affärsmodell. Varje företag får representera något av de fyra                                       typerna av gratis.

    Slutsats:                             För att företag skall kunna implementera affärsmodellen gratis är                           de i behov av att skapa en stor kundkrets. Vidare måste de                                            upprätthålla produktutveckling så att intresset för deras erbjudande                                  inte sjunker. Om det ska vara möjligt att implementera                                             affärsmodellen bör företag se över sin kostnadsstruktur och dra ner                       kostnaderna så lågt att gratis generar vinst av varje användare.                               Hela konceptet med gratis är precis som andra affärsmodeller                                            byggt på ekonomisk vinning.

  • 2924.
    Zattoni, Alessandro
    et al.
    LUISS University and Business School, Rome, Italy.
    Witt, Michael A.
    INSEAD, Singapore, Singapore.
    Judge, William Q.
    Old Dominion University, Norfolk, VA, USA.
    Talaulicar, Till
    University of Erfurt, Erfurt, Germany.
    Chen, Jean Jinghan
    Xian Jiaotong-Liverpool University, Suzhou, China & Nankai University, Tianjin, China.
    Lewellyn, Krista
    University of Wyoming, Laramie, WY, USA.
    Hu, Helen Wei
    University of Melbourne, VIC, Australia.
    Gabrielsson, Jonas
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL).
    Luis Rivas, José
    ITAM School of Business, Mexico DF, Mexico.
    Puffer, Sheila
    D’Amore-McKim School of Business, Northeastern University, Boston, MA, USA.
    Shukla, Dhirendra
    University of New Brunswick, Fredericton, Canada.
    Lopez, Felix
    University of Valladolid, Valladolid, Spain.
    Adegbite, Emmanuel
    Leicester Business School, De Montfort University, Leicester, United Kingdom.
    Fassin, Yves
    Ghent University, Ghent, Belgium.
    Yamak, Sibel
    University of Wolverhampton, Wolverhampton, United Kingdom.
    Fainshmidt, Stav
    Florida International University, Miami, FL, USA.
    van Ees, Hans
    University of Groningen, Groningen, Netherlands.
    Does board independence influence financial performance in IPO firms?: The moderating role of the national business system2017In: Journal of world business (Print), ISSN 1090-9516, E-ISSN 1878-5573, Vol. 52, no 5, p. 628-639Article in journal (Refereed)
    Abstract [en]

    Prior evidence suggests that board independence may enhance financial performance, but this relationship has been tested almost exclusively for Anglo-American countries. To explore the boundary conditions of this prominent governance mechanism, we examine the impact of the formal and information institutions of 18 national business systems on the board independence-financial performance relationship. Our results show that while the direct effect of independence is weak, national-level institutions significantly moderate the independence-performance relationship. Our findings suggest that the efficacy of board structures is likely to be contingent on the specific national context, but the type of legal system is insignificant. © 2017 Elsevier Inc.

  • 2925.
    ZEWGW, MESFIN ASFAW
    Halmstad University, School of Business, Engineering and Science.
    FRUGAL INNOVATION OF PROSTHETIC SOCKET FOR DEVELOPING COUNTRIES2015Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Abstracts

    In this thesis, we presented a frugal product and methodology for customizing prosthetic socket for developing countries where an overwhelming number of prostheses are necessary, and the availability, accessibility and cost of prosthetics are significant concerns to limb deficient persons that without the assistance of a prosthetic device may not be able to function. In order to design a frugal prosthetic socket, a design methodology is sought that will best achieve an appropriately designed, low-cost, with simple production method. Through the study of modern design methodologies, a strategy is proposed that emphasizes the intersection of the mechanical design process (contemporary design tools), biomechanics, and low-cost design. Key components of this methodology are previous research and frugal innovation in the design process. Along with a review of the state of the art, provide the groundwork for both the proposed new methodology as well as generating a new concept of prosthetic socket. The result of this study, using the generated concept and simple methodology, a frugal prosthetic socket (FPS) is developed to demonstrate the basic functionality of the concept and manufacturability of the proposed method. Finally, Frugal Prosthetic Socket is found as a solution for the problems since it can reduce one heavy complex process for optimizing customization of the prosthetic socket and reduce 70 % of the cost of the prosthetic socket by using local material (rawhide), local manufacturing technique and implementing frugal innovation concept.

  • 2926.
    Zhubi, Adrian
    et al.
    Halmstad University, School of Business, Engineering and Science.
    Zhubi, Albert
    Halmstad University, School of Business, Engineering and Science.
    K2 eller K3: Motiv till att redovisa enligt K32016Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Title: K2 or K3 : Reasons to account according to K3 

    Authors: Adrian Zhubi and Albert Zhubi 

    Published: Spring 2016 

    Tutor: Eva Berggren 

    Background: Since 2004 BFN has given accounting standards, which started the K-project that divides companies into four different categories based on company size. The K-project's most common regulations are the main regulation principles-based K3 and the alternative regulation rules-based K2. Since 2015 it became mandatory for all joint-stock companies and economic associations to apply one of these two regulations. Companies should therefore reflect on its business and stakeholders when making a choice of regulation. This requires that the annual report should be relevant to the stakeholders. With the study we therefore want to examine the main differences that explains why companies choose K3 instead of K2 from accounting advisors’ perspective. 

    Aim: The aim of the study is to describe why companies prefer K3 instead of K2 according to accounting advisors. 

    Formulation of the problem: What do accounting advisors consider explains the companies’ choice of K3 instead of K2? 

    Methodology: The study is based on a qualitative approach. The empirical data contains a total of five interviews, one of those is a pilot interview. The study's respondents are three auditors, an accounting expert and an accounting specialist. The respondents have different experiences and are from different accounting firms.

    Results: The study shows that accounting advisors consider differences in tangible, intangible and financial assets between K2 and K3 makes companies prefer K3. Factors as depositions, deferred taxes and stakeholders also affects the choice. According to the study’s respondents, K2 is easier to apply because the regulation contains robust rules for accounting. K3 require greater knowledge at professional judgement, because the regulation includes companies with a complex business with many stakeholders.

  • 2927.
    Zivojinovic, Petar
    et al.
    Halmstad University, School of Business, Engineering and Science.
    Hendrika, Yustine
    Halmstad University, School of Business, Engineering and Science.
    From Problem Solving to an Integrated Organizational Approach: A Continuation Study of the Diffusion of an Innovation2015Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This thesis presents a continuation study about the diffusion of innovation in the manufacturing companies. The focus of this study is the diffusion of innovation in technology and CAD is the selected technology that is widely used in the manufacturing companies. The foundation of this study is the previous work that has been conducted by Jan Löwstedt and Christer Norr in 1991 that explained about the diffusion of technology during that time. Thereafter, technology has experienced a rapid change. There is not a continuation study afterwards. The purpose of this study is to see how the technology has changed and how people use it over time, and what driving forces are behind it, so an extension information for the PLC perspective can be formed.

    Theoretical framework was built by analyzing the previous studies as the foundation to see what has changed over time. The concept of the diffusion of innovation, PLC, and the development of CAD in terms of technical and organizational perspective wise from several researchers are also disclosed to support the empirical findings.

    The approach of this study is based on a qualitative study where empirical data are collected through interviewing Swedish manufacturing companies that use CAD in their companies.

    The result of this study reveals that the usage of CAD technically is not dramatically changed: it is still mainly in providing a visceral visualization. But, the paradigm shifting in utilizing CAD in the organization is worth exploring. Where it is triggered by the need to get more advanced technology-wise. The diffusion of technology could contribute the paradigm shifting in the way of working. This study shows that the companies tend to maximize the result of the technology by integrating the result not exclusively only for the design department, but also for other parties such as: the engineering calculation department and customers. However, this study could present a sharper pattern if there were more companies that were in the early stage of CAD as the source of information.

  • 2928.
    Zsoldos, Andreas
    Halmstad University, School of Business, Engineering and Science.
    Study on biomass in semiaquatic insects (Odonata) over a 20-year period in central, Sweden.2018Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This study is about how biomass of dragonflies insects have changed over the past 20-years in a forested area of central Sweden. This was done by analysing previously collected Odonata larvae stored in ethanol where sampling effort corrects the weight per locality. The results display a small but significant biomass increase over past decades, going against the recently observed trend of biomass decline in insects. However, this biomass gain was not even between the families, the ones that increased the most was Aesnidae and Libelluidae.  The reasons for the observed increase are discussed, some possible suggestions are less disturbance in their environments and their ability to adapt due to their long evolution giving them a phenotypical advantage.

  • 2929.
    Åhlund, Anton
    Halmstad University, School of Business, Engineering and Science, Biological and Environmental Systems (BLESS), Energy Science. Halmstad University.
    Solar Cooling: -A study of two thermal systems2015Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Electricity-driven air-conditioning is energy-intensive and puts a strain to many grids during hot periods in warm climates. Solar thermal cooling could be an alternative to conventional cooling, using a renewable energy source and supplying the most energy during peak demand periods with insignificant effect to the electric grid.

    Office buildings in warm climates have high cooling loads, naturally peaking during daytime because of occupancy and ambient temperature. Thus, office buildings have a seemingly advantageous relationship between the possible supply of solar thermal energy and cooling demand. With this background, solar cooling systems for two office buildings with the same dimensions are investigated, placed in a tropical- and a sub-tropical location.

    There are great differences in the design conditions for solar cooling systems in the tropics and the sub-tropics, between the chosen locations Manila and Abu Dhabi more specifically.

    Manila has a quite evenly distributed cooling load while Abu Dhabi has a strongly pronounced summer season with very high maximum cooling loads, while the winter temperatures are relatively low. The prior described conditions creates a big difference between loads throughout the year, making a thermal chiller less effective in this aspect. However Abu Dhabi is expected to have an overall smoother- and ultimately a more high performance solar cooling system due to lower humidity, which facilitates the important cooling of the chiller.

    Evacuated tube collectors were used at both sites, where the collectors in Manila needs to be larger relative to the chiller cooling capacity, in order to compensate for the irregularity of direct solar radiation.

    The electricity price in Abu Dhabi is too low for the solar cooling system to be economically feasible compared to a conventional system, where the net values over 20 years are 163 000 € and 127 000 €, respectively. Manila has on its hand a very high price for electricity, making the 20-year net values for both the solar cooling- and the conventional system approximately 170 000 €.

  • 2930.
    Åhlén Mulio, Sandra
    Halmstad University, School of Business, Engineering and Science.
    Auchenorrhyncha community composition inrestored wetlands of different age in Southwest of Sweden:: Can different communities or species be used as indicators for naturalness?2015Independent thesis Basic level (degree of Bachelor), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [sv]

    Våtmarker är hotade ekosystem som är artrika och tillhandahåller viktiga ekosystemtjänster. Man började restaurera våtmarker i Sverige som åtgärd inom jordbruket för minskad avrinning av närsalter, men senare även ur bevarandebiologiskt perspektiv. Främst riktades insatserna mot fåglar och däggdjur, men numera även många insekter.

    Insekter används alltmer som indikatorer för olika ändamål och Auchenorrhyncha (stritar) utgör en sådan grupp som börjat få alltmer uppmärksamhet. Då de livnär sig på växtsaft, förekommer i stort sett överallt där vaskulära växter har sin utbredning och ofta har specifika krav på både habitat och födoväxter, uppfyller de därmed många av kraven som ställs på en indikatorart. Stritar valdes därför för att se om de kan nyttjas som indikatorer på restaurerade våtmarkers grad av “naturalness”.

    Håvning och uppsamling med modifierad lövblås användes för att samla stritarna. Analyser över artfördelningen I landskapet visade signifikanta resultat på en icke slumpartad fördelning av arterna över de olika insamlingslokalerna och indikatorarter kunde väljas varefter ett modifierat index användes för att uppskatta arternas kvalité. Statistiska analysmetoder applicerades på insamlade variabler, men utan signifikans. Jaccards coeffcient of community användes för att verifera effektiviteten av insamlingen och det visade sig att jag i snitt samlat 1/3 av de arter som finns i landskapet. Ett fåtal arter uppfyllde kraven och i kombination med ett index över naturalness kunde 4 slutgiltiga arter väljas som indikatorarter. Auchenorrhyncha kan användas som indikatorer på naturalness i restaurerade våtmarker men då resultatet av denna studie inte var övertygande i sig själv bör man i framtida studier kombinera indexmetoderna med andra analyser och taxa för en helhetsbild när det gäller bedömning av naturalness i restaurerade våtmarker. Nya fynd av stritar för Halland och en rödlistad art hittades också i och med detta arbete och kan ses som ett bidrag till en uppdaterad förekomstbild i det svenska landskapet.

  • 2931.
    Årneby, Henrik
    Halmstad University, School of Business and Engineering (SET), Biological and Environmental Systems (BLESS).
    The acute effect of a foam rolling and a dynamic stretch warm-up routine on jumping performance2014Independent thesis Advanced level (degree of Master (One Year)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    Background: Self-myofascial release is widely used by athletes but the scientific evidence of its supposedly positive effects is limited. This study was conducted to investigate the effects of foam rolling as a warm-up routine in comparison with a dynamic stretching routine and how it may affect the jumping performance among subjects familiar with weight training. Aim: The aim of this study was to investigate the acute effect of foam rolling vs. a standardized dynamic stretch warm-up routine on jumping performance. Method: Twelve subjects, mean (SD) age 25.1 (± 3.0) years, participated in a randomized, controlled, crossover study. All subjects completed a standardized foam rolling (FR) and a dynamic stretch (DS) warm-up routine on separate days of testing. Squat jump (SJ), counter movement jump (CMJ) and loaded counter movement jump (L-CMJ) all performed bilaterally and unilaterally were conducted to investigate the acute effect of the two warm-up routines. A dependent T-test was used to investigate differences between the warm-up routines. Results: A statistical significant difference in favor of the DS was found for SJ performed bilaterally among males (p = 0.009). The mean (SD) jumping height for SJ FR was 35.6 (± 4.7) cm and for SJ DS 37.9 (± 5.2) cm. The male group also improved more in L-CMJ performed on the right leg with an external load of 54kg after DS compared to FR. No other statistical significant differences were found between the two interventions. A near statistical significant difference was found for SJ performed bilaterally for the total sample (p = 0.057) also in favor of the DS. The mean (SD) jumping height for SJ FR was 29.3 (± 8.7) cm and for SJ DS 30.5 (± 9.9) cm. Conclusion: Findings from this study supports a dynamic stretch warm-up routine prior to performing high intensity bilateral plyometrics instead of a foam rolling warm-up routine. However the data was inconsistent and more research with larger sample sizes is needed to further investigate the possible effects of foam rolling as a warm-up routine on jumping performance performed both bilaterally and unilaterally.

  • 2932.
    Åsedahl, Linnea
    et al.
    Halmstad University, School of Business, Engineering and Science.
    Lindmark, Alexandra
    Halmstad University, School of Business, Engineering and Science.
    Identifiering av riskzoner för större vilt inom Halmstad kommuns vägnät2016Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    An increased infrastructure is one of today’s biggest reasons for the fragmentation ofhabitats, making it harder for wildlife to move without risks when crossing roads. To see inwhich extent larger mammals crosses roads greenways were identified in the urban parts ofHalmstad municipality, after which a study was made on the presence of wildlife duringwinter 2015/2016. Ten areas were chosen along road 600 (Tylösandsvägen), road 610(Kustvägen), trunk road 15, trunk road 25 and trunk road 26 where inventories were carriedout for a period of seven days distributed over a period of two months. Wildlife abundanceof moose, roe deer, fallow deer, red deer, hare, wild boar, badger, red fox, wolf and lynxwere investigated by identification of track stamps in order to find out if any of the tenplaces constitutes a danger zone for wildlife-vehicle accidents and if there are anydifferences in wildlife abundance close to and further from the road as well as in woodlandand open land. The result of the study along with wildlife accident statistics show that someof the investigated areas form danger zones for larger animals; two adjacent areas alongtrunk road 26 and one area along trunk road 15. There were no significant difference inwildlife abundance on different distances from the road which means that wildlife followsthe greenways and do not see the road as an obstacle, thus more likely to crossover. Therewere also no significant difference in wildlife abundance in woodland and open land,meaning wildlife-vehicle accidents are not more likely to occur in one type of land over theother.

  • 2933.
    Åsell, Julian
    et al.
    Halmstad University, School of Business, Engineering and Science.
    Amoi, David
    Halmstad University, School of Business, Engineering and Science.
    Leasing - en studie om skillnader mellan K3 och IFRS: En komparativ studie mellan K3 och IFRS gällande redovisning av leasing ur ett intressentperspektiv2018Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Accounting intends to provide support and information to society. Therefore, it is important that the accounting reflects reality. The current lease standard IAS 17 for European international level has been criticized because it has its purpose in a classification between financial or operational leases. Companies in Sweden applying K3 chapter 20 treat leases in the same way through a classification. This has created opportunities for companies to invent an account where major values in terms of assets and liabilities are off-balance-sheet through operational lease agreements. Hence, there has been an international discussion between the IASB and the FASB for a long time if leases classified as operational really reflect a fair view of companies applying IFRS standards. This debate is about an increase in transparency in accounting and corporate financial reporting is constantly present in these debates. Because this financial information is often the only information which stakeholder has at its disposal as a basis for decision making. Due to these problems and to develop a more consistent reporting, the IASB has chosen to create a new lease agreement - IFRS 16 Leases.

    IFRS 16 has another approach to lease agreements as it is based on a right of use. This entails significant changes for lessees, as they, based on the right of use, need to report leases as assets and liabilities in their balance sheets. The IASB has already implemented IFRS 16, but it is not required to comply with the standard until 1 January 2019 when IFRS 16 enters into force.

    The purpose of the study is to describe and analyze the differences between companies applying K3 chapter 20 and the forthcoming standard IFRS 16 regarding lease agreements. Furthermore, the purpose of the study is to investigate and illustrate, by typical cases, differences in financial reports and relevant key ratios and how these effects may affect the company's stakeholders.

    Through a qualitative research method, fictional typical cases have been designed to draw conclusions that answer the purpose and research question of this paper. The study addresses what differences exist in the treatment of classification, valuation and definition of lease agreements. Thus, it can be established and demonstrate that, in application of the forthcoming leasing standard IFRS 16, an increase in assets and liabilities in the companies balance sheet is made. This implies significant changes as they must account for a lease agreements right of use and obligations. These changes have a significant impact on key ratios such as returnability, equity, debt ratio and leverage formula. Furthermore, the conclusion can show that stakeholders are affected in a significant way as changes in financial reports affect their analyzes and ultimately decision-making.

  • 2934.
    Åström, Sara
    et al.
    Halmstad University, School of Business and Engineering (SET), Biological and Environmental Systems (BLESS), Energiteknik.
    Jorlöv, Josefine
    Halmstad University, School of Business and Engineering (SET), Biological and Environmental Systems (BLESS), Energiteknik.
    Karaktärisering av solcellsmoduler: en fördjupning i solcellsteknik och metoder för karaktärisering2013Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Sveriges Tekniska Forskningsinstitut, SP, has recently invested in a pulsed solar simulator to measure and characterize photovoltaic modules. The following report investigates the differences in the analysis between the new solar simulator and SP's existing pulsed solar simulator. All measurements have been performed on four different solar modules, two solar modules of type CIS and two solar modules of type crystalline silicon. We have also carried out practical measurements to see which environmental factors that affect the analysis from the new solar simulator. The surrounding factors consisted of ambient lighting, reflections from the new solar simulator and soiling of the monitor cell. The results show a difference between the quantified values of the new and existing solar simulator, where most of the measurements in the existing solar simulator are higher. The differences are probably due to measurements being made at a higher irradiance level than according to the standard. Furthermore, the results show that there are environmental factors affecting the analysis from the new solar simulator; a soiled monitor cell have the greatest influence on the outcome. 

  • 2935.
    Öberg, Mikaela
    Halmstad University, School of Business, Engineering and Science.
    Case studies as literature2016Student paper other, 5 credits / 7,5 HE creditsStudent thesis
  • 2936.
    Öberg, Mikaela
    Halmstad University, School of Business, Engineering and Science.
    The importance of finding a clear definition of innovation2017Student paper other, 5 credits / 7,5 HE creditsStudent thesis
  • 2937.
    Öberg, Mikaela
    et al.
    Halmstad University, School of Business, Engineering and Science.
    Stenberg, Anneli
    Halmstad University, School of Business, Engineering and Science.
    Smoothers och icke-smoothers: en kartläggning och probleminventering av income smoothing hos svenska börsnoterade företag2017Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
  • 2938.
    Öberg, Theodor
    et al.
    Halmstad University, School of Business, Engineering and Science.
    Oldby, Marcus
    Halmstad University, School of Business, Engineering and Science.
    Interactive Marketing: E-mail - Tomorrow´s Tool for Online Purchases2017Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This thesis aims to gain a better understanding of how customers behave with email

    and spontaneous online shopping and in which degree prospects or customer would be

    affected by functions in interactive e-mails.

  • 2939.
    Ödman, Emily
    et al.
    Halmstad University, School of Business, Engineering and Science.
    Karlsson, Linus
    Halmstad University, School of Business, Engineering and Science.
    Flervåningshus i trä: En undersökning rörande byggandet i Halland2017Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Abstract

    This paper is based on interviews, a literature study and seminars. It describes the

    situation in Halland when it comes to multi-story housing built in timber. From 1874

    to 1994, Sweden had a regulation that prohibited construction of timber houses with

    more than two stories as a result of big city fires. After the regulation was revoked,

    people started to build multi-story houses in timber again. Compared to the rest of

    the country there was not that many built in Halland. Construction entrepreneurs

    here possess the right competence and it is close to the raw material. Even though

    that, there are only five multi-story houses built in the county.

    Result from this study shows that the main problem of implementing multi-story

    housing built in timber is biases and lack of knowledge. Many of the players in the

    construction industry do not base their decisions on fact when it comes to choose

    timber or not. This in combination with a lack of information regarding financial

    issues and unfavorable regulations has resulted in a slow development of the

    implementation of multi-story houses. The reasons behind this are discussed in the

    paper and some possibilities of change are presented.

  • 2940.
    Öhman, Oliver
    et al.
    Halmstad University, School of Business, Engineering and Science.
    Wikman, Christian
    Halmstad University, School of Business, Engineering and Science.
    Konstruktion av svingarm till EcoistVehicleTM2017Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This report will be about a mechanical design project that has been developed by Christian Wikman and Oliver Öhman. The assignment was given by EcoistVehicleTM to complete a bachelor’s degree in mechanical engineering at Halmstad University.

    Princip- och Primärkonstruktion (Olsson, 1995), Fundamentals of Vehicle Dynamics (Gillespie, 1992) and a large amount of research on the web has been used as the foundation for the method that’s been used all through this project.

     

    EcoistVehicleTM is a vehicle project started by Thomas Koch. It is an electrically powered, single seat, three wheeled vehicle that's driven by a single rear wheel. The idea behind the car is to transport the driver to his destination in an environmentally friendly way. The car is suited for commuting in the countryside with a range of 40-50km. The purpose of the assignment that was given in the spring of 2017 was to look into faster methods of designing and manufacturing a swingarm for the vehicle.

     

    Our assignment was to design and possibly manufacture a swingarm for the driving rear wheel that should fit the specifications of the car and have a relatively fast manufacturing process for a series of 10-20 cars. Our mentor and taskmaster has a request to 3D-print the larger parts of the swingarm then after work the mounting surfaces and mating surfaces with milling.

    Several manufacturing processes used in the automotive industry for the production of motorcycle swingarms will be screened and compared to get the method that will fit this project.

     

    The authors have contributed with a higher knowledge of 3D-printing, specifically aluminum, different design concepts together with analysis of the design to test the solidity of the final product.

  • 2941.
    Ölmeby, Sara
    et al.
    Halmstad University, School of Business, Engineering and Science.
    Ekman, Anna-Karin
    Halmstad University, School of Business, Engineering and Science.
    Datormodellen Diasock2016Independent thesis Basic level (university diploma), 5 credits / 7,5 HE creditsStudent thesis
    Abstract [en]

    Rapporten går igenom steg för steg processen att ta fram datormodellen Diasock. Idag så finns det många människor som lider av diabetes och många utav dessa personer drabbas även av fotproblem. Fotkomplikationer är svåra att behandla och patienter kommer ofta in för sent med sina sår som i värsta fall kan leda till amputation. I samarbete med forskarna på Linköpings universitetssjukhus gavs uppdraget att ta fram en strumpa med insydda sensorer. Strumpan kommer underlätta för diabetiker då de själva kan ha en överblick på sina egna värden och på så sätt söka vård i tid om de behövs. Gruppen har blivit inspirerad av Fredy Olssons metod princip och primärkonstruktion(1995) som använts i tidigare kurser. Det gjordes även ett studiebesök på sjukhuset för att få mer insikt i alla problem som kan uppstå och för att få nya perspektiv från andra yrkesroller. Gruppen lade ner mycket tid på att anpassa strumpan efter en diabetikers fot, då de har speciella krav och inte kan använda vanliga strumpor. Mycket fokus hamnade även på placering av sensorerna. Det gjordes många skisser och efterhand valdes det att utgå ifrån funktionsstrumpan med sensorer på/vid tryckpunkterna. Strumpan är ritad i CATIA V5 där det valdes att arbeta i arbetsbänken Imagine & Shape. För att bättre visualisera datormodellen användes programvaran Keyshot där materialen blir mer realistiska. Projektet resulterade i en datormodell av en strumpa, speciellt utformad för att motverka uppkomsten av diabetessår. Strumpan blev anpassad för att passa en diabetiker.

  • 2942.
    Ölmeby, Sara
    et al.
    Halmstad University, School of Business, Engineering and Science.
    Weber Hansson, Jessica
    Halmstad University, School of Business, Engineering and Science.
    Hälsomätningar på vårdcentraler2018Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This thesis work has been carried out in collaboration with a specialist physician and Hälsoteknikcentrum Halland. The project is a part of an innovation project which involves developing a health scanner that will be able to carry out standard measurements on patients and thereby facilitate and streamline healthcare. The part in this report concerns the development of the booth itself for the complete product as well as the attachment of the technology. The thesis objective is about developing a concept that automatically adjusts the instruments depending on the patient being measured, as well as creating an optimal environment where the measurements can be performed correctly.

    By using brainstorming and a functional analysis, a number of concepts could be developed. These were then evaluated against the analysis and further developed to match the specification of requirements and other guidelines. The result was a booth, adapted for both sitting and standing positions, with an automatically closing folding wall and with an arm that keeps the patient at the right distance from the measuring devices. The project has also included an investigation of, as well as discussion about, the materials and manufacturing methods that may be used in a future production of the concept.

    The result was a virtual model, ready to be used for the production of a real-size prototype. In addition, the model was also used to visualize the concept in the form of images and animations made in KeyShot 6.

  • 2943.
    Örnstedt, Adam
    et al.
    Halmstad University, School of Business, Engineering and Science.
    Ejesson, Johanna
    Halmstad University, School of Business, Engineering and Science.
    The survival story of a newsprint mill.: A single case study of an industrial transformation at Hylte Mill.2019Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    Background: The pulp and paper industry (PPI) and its products is one of Sweden's largest export goods, with newsprint as one of its major sources of income. The historically stable context had led to innovation inertia something that became clear when a sudden decrease for newsprint occurred. Hence, Stora Enso Hylte Mill, which is one of the largest producers of newsprint in Sweden realized that they needed to do something in order to secure their future. Therefore, the company started to investigate the possibility of moving into a new market, biocomposite.

    Problem discussion: Ambidexterity is a requirement for a firm to be successful over time (Birkinshaw & Gibson, 2004). In uncertain environments organizational ambidexterity appears to be positively linked to increased firm innovation, better financial performance, andhigher survival rates (O’Reilly & Tushman 2013). Hylte Mill has historically had a stablemarket, thus exploitive activities have been their main concern. As the conditions change, explorative activities are needed which creates uncertainty for the firm. How does a firm in a historically stable context that has worked with exploitation for many years organize for exploration? What changes needs to be done in the organization?

    Purpose: This master thesis will systematically go through and analyze how firms within previously stable market organize for ambidexterity and exploration. This is going to be done through three phases of an industrial transformation within the PPI. The purpose for this thesis is to increase the understanding of how organizations, operating in historically stable context, deals with radical innovation when the external environment demands it.

    Methodology: This study has been an inductive single case study. The data has been collected through five semi-structured interviews with key individuals from period of industrial turbulence.

    Findings: The barriers to innovation varies over time, when one barrier is solved another one occurs. By using ambidexterity, the firm can be better suited to handle these changes. The inertia in large established firms do not only depend on events occurring within the firm but can also be affected by external events.

    Conclusion: Ambidexterity has a positive impact on innovation in uncertain environments that creates a sense of urgency. By initially applying structural ambidexterity to provide slack, and later expand the desired culture by contextual ambidexterity, large established firms can overcome innovation inertia. Slack showed positive impact on radical innovation on both mill- level and group-level. Also, external help proved to be crucial for the radical innovation capability.

  • 2944.
    Örnstedt, Julia
    Halmstad University, School of Business, Engineering and Science.
    Beredskapsplan vid livsmedelsrelaterade utbrott: En praktisk vägledning vid utredning av livsmedelsutbrott i mindre kommuner2017Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Livsmedelsburna sjukdomar är ett globalt problem som orsakar fleramiljoner dödsfall varje år, ändå tros den rapporterande siffran vara enbråkdel av hur många som drabbas. En anledning till svårigheten att vetaden verkliga summan av problemet är bristerna gällande rapportering avlivsmedelsbura sjukdomar.

    Även om Europa ligger i framkant medstrikta krav gällande säkerhet för mat uppkommer ständigt skandalersom visar på ett bristande system. Syftet med studien var att ta fram enberedskapsplan för matförgiftning och andra livsmedelsrelaterade utbrott.Målet var att ta fram en tydlig beredskapsplan som är lätt att användaoch som lämpar sig för mindre kommuner i Sverige.

    Litteraturundersökninggjordes för att samla information till bakgrund samt för att fåen övergripande blick över de olika livsmedelsburna sjukdomarna. Däreftergenomfördes en enkätundersökning gällande hur en beredskapsplanför livsmedelsrelaterade utbrott ser ut i Sveriges mindre kommuner.

    Resultatet visar att inte alla kommuner har en färdig beredskapsplan atttillgå vid större utbrott. Det som anses användbart i en sådan plan ärframförallt mallar för rutiner som exempelvis frågeformulär till densmittade vid en matförgiftning. En anledning till bristen på beredskapsplaneri mindre kommuner tros främst bero på bristande resurser, ökadpersonaltäthet hade enligt resultatet bidragit till ökad tillgång av beredskapsplaner.Utifrån de inkommande enkätsvaren har ett förslag på enberedskapsplan som är enkel att använda utformats.

  • 2945.
    Örtenblad, Anders
    Halmstad University, School of Business and Engineering (SET), Centre for Innovation, Entrepreneurship and Learning Research (CIEL).
    A typology of the idea of learning organization2002In: Management Learning, ISSN 1350-5076, E-ISSN 1461-7307, Vol. 33, no 2, p. 213-230Article in journal (Refereed)
    Abstract [en]

    A typology of the idea of 'learning organization' is developed and presented. The typology is inductively created and based on how the term 'learning organization' is used in the literature and by practitioners. Four distinct hypes of understanding were found: 'organizational learning, 'learning at work, 'learning climate' and 'learning structure'. The same types of understanding seem to appear both in the literature and in accounts made by practitioners. Thus the term 'learning organization' is probably not unduly confusing to the practitioners. Instead, the different versions of the idea in the literature seem to give companies the opportunity to choose a version suitable for their specific situation.

  • 2946.
    Örtenblad, Anders
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL).
    Achieving organizational independence of employees’ knowledge using knowledge management, organizational learning, and the learning organization2009In: Handbook of research on knowledge-intensive organizations / [ed] Dariusz Jemielniak & Jerzy Kociatkiewicz, Hershey, PA: IGI Global, 2009, p. 229-242Chapter in book (Other academic)
    Abstract [en]

    The ambition of this chapter is to pay some attention to more obvious, as well as more subtle, methods for organizations to become independent of the individual’s subjective knowledge, from the employees’ point of view. Terms such as ’knowledge sharing’, ’knowledge transfer’, and ’learning for all’ are almost always seen as being positive for both employers and employees. However, this chapter will critically examines those terms. Three popular management ideas relating to knowledge and/or learning have been analysed from a ’knowledge control’ perspective: knowledge management, organizational learning, and the learning organization. The main conclusion of this conceptual and elaborating chapter is that the more current and less academic ideas of the learning organization and knowledge management contain the same tools as the idea of ’old’ organizational learning as regards gaining control over knowledge, but that these two ideas additionally contain other knowledge control measures, which are more refined, in the sense that they are less obvious as knowledge control measures. The idea of ’new’ organizational learning, however, is less suited to knowledge control, since it implies that knowledge is not storable. In other words, the chapter’s contribution is an analysis of some of the most popular management ideas that deal with knowledge and/or learning relating to the organizational/employer independence of subjective knowledge, from the employees’ point of view, something which is rarely seen. © 2009, IGI Global.

  • 2947.
    Örtenblad, Anders
    Halmstad University, School of Business and Engineering (SET), Centre for Innovation, Entrepreneurship and Learning Research (CIEL).
    Are the right persons involved in the creation of the learning organization?2005In: Human Resource Development Quarterly, ISSN 1044-8004, E-ISSN 1532-1096, Vol. 16, no 2, p. 281-284Article in journal (Refereed)
    Abstract [en]

    A conventional explanation of the short notice that many management ideas get is that they are only fashions. This article presents a complementary explanation. Based on Jung's personality types and my own experiences, I suggest that mostly only people with a certain type of personality become interested in ideas such as the learning organization. I further argue that all four of Jung's personality types must join in the sculpting of learning organizations if organizations are to succeed in becoming such organizations and continue being it, and, accordingly, if the idea is to survive in the long run.

  • 2948.
    Örtenblad, Anders
    Halmstad University, School of Business and Engineering (SET), Centre for Innovation, Entrepreneurship and Learning Research (CIEL).
    Educating everyone in humanities for both post-bureaucracy and bureaucracy: a response to John Hendry2006In: Management Learning, ISSN 1350-5076, E-ISSN 1461-7307, Vol. 37, no 3, p. 291-294Article in journal (Refereed)
    Abstract [en]

    Comments on an article by John Hendry. In the main, the commentator agree with Hendry in his description of the 'intellectual tyranny of the economic mindset' and in his concern for other values and goals in business society. Management education definitely needs other than economic goals, as Hendry argues. The commentators arguments for the humanities are slightly different, though, from Hendry's, and he do not think that managers are the only group that needs education in the humanities. Finally, the commentator would like to add a few subjects and methods to those that Hendry suggests should be involved in humanities education for business students. In addition to history and literature, which Hendry suggests, the commentator also recommend education in ethics.

  • 2949.
    Örtenblad, Anders
    Halmstad University, School of Business, Engineering and Science, Centre for Innovation, Entrepreneurship and Learning Research (CIEL).
    Guest editorial for special section: Are organizations able to learn?2009In: Learning Inquiry, ISSN 1558-2973, Vol. 3, no 1, p. 21-23Article in journal (Refereed)
  • 2950.
    Örtenblad, Anders
    Halmstad University, School of Business and Engineering (SET), Centre for Innovation, Entrepreneurship and Learning Research (CIEL).
    Of course organizations can learn!2005In: Learning Organization, ISSN 0969-6474, E-ISSN 1758-7905, Vol. 12, no 2, p. 213-218Article in journal (Refereed)
    Abstract [en]

    This is a comment for all those writers who claim that organizations cannot learn. The author consistently rejects this notion. Rather the author contends that organizations can learn, in at least two different ways. The author reviews some of the common arguments against organizational learning, and tries to answer the opponents. The main argument against the critics is that they are too busy to look for evidence that organizations are not like individuals and that organizations therefore cannot learn. Instead, the author argues that it is a question of level of analysis. The author also suggests that theories as well as knowledge in general are metaphoric, implying that organizations as such of course are able to learn. The organizational learning perspectives can, of course, be used by employers and managers in order to avoid efforts that help the individuals to learn. But they can also be appropriate perspectives of learning that help in avoiding large investments on organizational learning efforts that might be unnecessary.

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