Abstract
In order for economically viable distributed generation systems for local community to spread, it is essential to develop an efficient and low-cost heat supply system. We propose a new heat supply system presented at the ICOPE-05 Chicago. The key technology for the system is to connect compact heat supply units installed in all the households of the local community, such as a condominium, by a single loop of hot water piping. Phase change material was used for a heat supply unit as heat storage material. However to improve handling ability and to reduce the cost down of the unit, we have developed a new heat supply unit whose heat storage tank is made of plastic. Hot water for space heating is used as heat storage material. Furthermore, we constructed a heat supply system for 7 lived-in households with a 5 kW gas engine and a 42 kW boiler as heat sources.
Some experiments for a heat supply unit and a heat supply system and dynamic simulations for heat demand have been conducted, such as heat storage and supply of the heat supply unit, and COP evaluation of a new CO2 heat pump system using lowtemperature exhaust from the cogeneration system.
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References
Fujii, T. et al., Development of the New Heat Supply Unit for the Neighboring Communities Cogeneration System, ICOPE-03, Volume1, A105, 2003.
Asano, H. et al., Development of Heat Supply Unit Using Phase Change Materials for the Neighboring Communities Cogeneration System, Thermal Science and Eng., 12-4, 2004.
Asano, H. et al., Development of Single Loop Heat Supply System for Local Community Cogeneration, ICOPE-05, Part B, pp1485–1490, 2005.
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© 2007 Zhejiang University Press, Hangzhou and Springer-Verlag GmbH Berlin Heidelberg
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Yamaguchi, H. et al. (2007). Development of a New Cogeneration System for Local Community. In: Cen, K., Chi, Y., Wang, F. (eds) Challenges of Power Engineering and Environment. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-76694-0_20
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DOI: https://doi.org/10.1007/978-3-540-76694-0_20
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-76693-3
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