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Vertical ground heat exchangers: A review of heat flow models

Saqib Javed (Institutionen för energi och miljö, Installationsteknik) ; Per Fahlén (Institutionen för energi och miljö, Installationsteknik) ; Johan Claesson (Institutionen för bygg- och miljöteknik, Byggnadsteknologi)
Effstock 2009- Stockholm, Sweden, 2009-06-14--17. Proceedings vol. CD-proceedings (2009)
[Konferensbidrag, refereegranskat]

The ground may be used as a heat source, a heat sink or as a heat storage medium by means of vertical ground heat exchangers. Over the years various analytical and numerical models of varying complexity have been developed and used as design and research tools to predict, among others, the heat transfer mechanism inside a borehole, the conductive heat transfer from a borehole and the thermal interferences between boreholes. This paper is based on reviews of scientific work and provides a state-of-the-art review of analytical and hybrid models for the vertical ground heat exchangers. It details and compares various models for short and long term analysis of heat transfer in a borehole. The paper also highlights the strengths and limitations of these models from design and research points of view.

Nyckelord: heat pump, borehole, storage, heating, cooling, modelling, review



Denna post skapades 2010-01-15. Senast ändrad 2014-09-02.
CPL Pubid: 107909

 

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Institutioner (Chalmers)

Institutionen för energi och miljö, Installationsteknik (2005-2014)
Institutionen för bygg- och miljöteknik, Byggnadsteknologi (2005-2017)

Ämnesområden

Byggnadsteknik

Chalmers infrastruktur