Energy Savings for Solar Heating Systems

Publication: Research - peer-reviewConference article – Annual report year: 2006

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In this paper the realistic behaviour and efficiency of heating systems were analysed, based on long term monitoring projects. Based on the measurements a boiler model used to calculate the boiler efficiency on a monthly basis was evaluated. Comparisons of measured and calculated fuel consumptions showed a good degree of similarity. With the boiler model, various simulations of solar domestic hot water heating systems were done for different hot water demands and collector sizes. The result shows that the potential of fuel reduction can be much higher than the solar gain of the solar thermal system. For some conditions the fuel reduction can be up to the double of the solar gain due to a strong increase of the system efficiency. As the monitored boilers were not older than 3 years, it can be assumed that the saving potential with older boilers could be even higher than calculated in this paper.
Original languageEnglish
JournalSolar Energy
Publication date2006
Volume80
Journal number11
Pages1463-1474
ISSN0038-092X
DOIs
StatePublished

Conference

ConferenceEuroSun 2004
Number5
CountryGermany
CityFreiburg
Period20/06/0424/06/04
Internet addresshttps://www.ises.org/ises.nsf/5c990687ba31ff01c12568b3004ef917/f9b748f556fa8c5cc1256d9f00327805?OpenDocument
CitationsWeb of Science® Times Cited: 16

Keywords

  • solar heating system, energy saving, system efficiency, solar domestic hot water system
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