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Solar energy for domestic use in southern Brazil
Halmstad University, School of Business and Engineering (SET).
Halmstad University, School of Business and Engineering (SET).
2008 (English)Independent thesis Basic level (degree of Bachelor)Student thesis
Abstract [en]

Almost all the domestic water in Brazil is heated with an electrical heater directly by the end consumer. A typical heater has an effect of 5 400 W and when the whole population takes a shower in the evening it causes big peaks in the electrical grid. This consumption peaks could be reduced by simple and cheap solar collector system.

Different system technologies and the most important parts of a solar collector system are described in the technical background. In Lajeado almost every system is a self-circulated system because of the simplicity and the lower costs.

Solar cooling as an alternative to the vapor compressor chillers has been studied. The cooling demand is biggest when the sun shines; this makes the sun perfect as a source to cooling. The ab- and adsorption chillers as a method in the future have been discussed in this paper; however it has only been studied briefly because small scale chillers using the technology can not be found on the market yet.

A number of different systems have been dimensioned after the existing conditions of Lajeado, the town where the project has been carried out in. Prizes and costs for both installation and materials come from the local solar collector supplier. With this as a background; several systems for various hot water demands has been dimensioned and costs and repayment time been calculated. A study of all the systems shows that, if the hot water demand increases and the systems get bigger, the profitability grows and the repayment time becomes shorter, down to three years. In almost every case the repayment time was under eight years, which makes solar heating attractive and the profit is good for the southern Brazil.

Place, publisher, year, edition, pages
Högskolan i Halmstad/Sektionen för Ekonomi och Teknik (SET) , 2008.
Keywords [en]
Brazil, Solar, Energy
Identifiers
URN: urn:nbn:se:hh:diva-1603Local ID: 2082/1984OAI: oai:DiVA.org:hh-1603DiVA, id: diva2:238821
Uppsok
Technology
Available from: 2008-06-25 Created: 2008-06-25 Last updated: 2008-06-25

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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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