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Efficient heat distribution in solar district heating systems
Halmstad University, School of Business, Engineering and Science, The Rydberg Laboratory for Applied Sciences (RLAS).ORCID iD: 0000-0003-2885-0923
Halmstad University, School of Business, Engineering and Science, The Rydberg Laboratory for Applied Sciences (RLAS).ORCID iD: 0000-0001-9069-0807
2018 (English)In: SDH Solar District Heating: Proceeding, 2018, p. 63-66Conference paper, Published paper (Refereed)
Abstract [en]

This paper contains a short analysis showing the main benefit for solar district heating when a novel heat distribution concept with low temperatures is applied. The analysis is performed by comparing the annual solar heat output from a solar collector field for current heat distribution temperatures in Sweden with the corresponding output for the novel heat distribution concept. The results show that the new low temperature concept provides 66% more solar heat for a typical solar collector. Hereby, the solar collector field can be reduced with 40%, giving a corresponding cost reduction for solar heat generated. Another result is that the cost gradient for lower costs from lower return temperatures is five times higher for solar district heating compared to current heat supply in Swedish district heating systems. One major conclusion is that high heat distribution temperatures in current European district heating systems are a major barrier for the competitiveness of solar district heating.

Place, publisher, year, edition, pages
2018. p. 63-66
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:hh:diva-36730OAI: oai:DiVA.org:hh-36730DiVA, id: diva2:1204231
Conference
5th International Solar District Heating Conference, Graz, Austria, April 11-12, 2018
Available from: 2018-05-07 Created: 2018-05-07 Last updated: 2018-06-12Bibliographically approved

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fulltext(430 kB)73 downloads
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Type fulltextMimetype application/pdf

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Averfalk, HelgeWerner, Sven

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf