Consumer Unit for Low Energy District Heating Net

Otto Paulsen, Jianhua Fan, Simon Furbo, Jan Eric Thorsen

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Abstract

A low energy/ low temperature consumer installation is designed and analyzed. The consumer type is a low energy single family house 145 m2 with annual energy consumption in the range of 7000 kWh, incl. domestic hot water in a 2800 degree day climate. The network is an extreme low temperature system to reduce heat loss in the network. The consumer’s installation is a unit type with an accumulation tank for smoothing the heat load related to the domestic hot water. The building heat load is delivered by an under-floor heating system. The heavy under-floor heating system is assumed to smooth the room heat load on a daily basis, having a flow temperature control based on outdoor climate. The unit is designed for a near constant district heating water flow. The paper describes two concepts. The analyses are based on TRNSYS (Klein et al., 2006) simulation, supplied with laboratory verification of the critical accumulator.
Original languageEnglish
Title of host publicationProceedings of The 11th International Symposium on District Heating and Cooling
Place of PublicationReykjavik, ICELAND
PublisherStofnun Árna Magnúrssonar á Íslandi
Publication date2008
Publication statusPublished - 2008
Event11th International Symposium on District Heating and Cooling - Reykjavik, Iceland
Duration: 31 Aug 20082 Sep 2008
Conference number: 11

Conference

Conference11th International Symposium on District Heating and Cooling
Number11
CountryIceland
CityReykjavik
Period31/08/200802/09/2008

Cite this

Paulsen, O., Fan, J., Furbo, S., & Thorsen, J. E. (2008). Consumer Unit for Low Energy District Heating Net. In Proceedings of The 11th International Symposium on District Heating and Cooling Stofnun Árna Magnúrssonar á Íslandi.