Investigations of solar combi systems

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Abstract

A large variety of solar combi systems are on the marked to day. The best performing systems are highly advanced energy systems with thermal stratification manifolds, an efficient boiler and only one control system, which controls both the boiler and the solar collector loop (Weiss et al., 2003). However, it is still too early to draw conclusions on the design of solar combi systems. Among others, the following questions needs to be answered: Is an external domestic hot water preparation more desirable than an internal domestic hot water preparation? Is a stratification manifold always more desirable than a fixed inlet position? This paper presents experimental investigations of an advanced solar combi system with thermal stratification manifold inlets both in the solar collector loop and in the space heating system and with an external domestic hot water preparation. Theoretical investigations are carried out for different solar combi system types by means of the simulation program Trnsys (Klein et al., 1996) and the multiport store model (Drück, 2000) with input to the models determined by the experiments. The work is carried out within the Solar Heating and Cooling Programme of the International Energy Agency (IEA SHC), Task 32.
Original languageEnglish
Title of host publicationASES 2005 Solar world congress : Proceedings of the 2005 Solar world congress
Volume3
PublisherInternational Solar Energy Society
Publication date2005
Pages1573-1578
ISBN (Print)978-162276263-7
Publication statusPublished - 2005
EventISES 2005 Solar World Congress: Bringing Water to the World - Orlando, FL, United States
Duration: 6 Aug 200512 Aug 2005
http://www.swc2005.org/

Conference

ConferenceISES 2005 Solar World Congress
CountryUnited States
CityOrlando, FL
Period06/08/200512/08/2005
Internet address

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