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A comparison of different methods for in-situ determination of heat losses from district heating pipes
Halmstad University, School of Business and Engineering (SET), Centre for Innovation, Entrepreneurship and Learning Research (CIEL), Sustainability, Innovation and Management in Building (SIMB).
1996 (English)Report (Other academic)
Abstract [en]

In the IEA Network Supervision project a special method, the Tx-factor method, is investigated. Several other methods exist for in-situ heat loss determination from district heating (DH) pipes. These methods have advantages and disadvantages compared to the Tx-factor method. It is the purpose of this work to make a comparison of the methods on a particular DH pipe. This makes this investigation special as in most previous work only one or very few methods have been applied on the same DH pipe. The purpose of this work was thus to go out to the site and make measurements of the heat loss from the DH pipe at this particular time of the year - an estimate of annual heat losses could then to be made afterwards. The aim of this work being to develop methods for practical applications not very sophisticated tools were used at the experimental site. This means that although very advanced equipment could have been used for determining the centre line and the depth of the DH pipe only measurement sticks, water levels and strings were used. For the same reasons the temperature sensors were installed by using measurement sticks

Place, publisher, year, edition, pages
Lyngby: Department of energy engineering, Technical University of Denmark , 1996. , 43 p.
Series
Department of energy engineering, Energy Systems Centre for District Heating Technology, Technical University of Denmark, ET-ES 96-01
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:hh:diva-14242ISBN: 87-7475-169-7 ISBN: 9788774751694 OAI: oai:DiVA.org:hh-14242DiVA: diva2:392556
Available from: 2011-01-27 Created: 2011-01-27 Last updated: 2011-11-16Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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Language
  • de-DE
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  • nn-NB
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Output format
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