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Thermal Response Testing of a Multiple Borehole Ground Heat Exchanger

Saqib Javed (Institutionen för energi och miljö, Installationsteknik) ; Per Fahlén (Institutionen för energi och miljö, Installationsteknik)
SET2010 - 9th International Conference on Sustainable Energy Technologies; Shanghai, China. 24-27 August, 2010 (2010)
[Konferensbidrag, refereegranskat]

This paper reports on the thermal response tests performed on the borehole system of a newly developed ground source heat pump test facility. Tests between 48 and 270 hours have been conducted on nine 80 m deep boreholes. Ground thermal conductivity and borehole thermal resistance values have been determined for all nine boreholes using standard evaluation methods. In addition to ground conductivity and borehole resistance values, the undisturbed ground temperatures have also been measured for individual boreholes. A comparison of these three parameters, estimated for nine nearby boreholes, provides useful insight to the accuracy and reproducibility issues of thermal response tests.


thermal response test (TRT), borehole, ground heat exchanger (GHE), ground source heat pumps (GSHP).



Denna post skapades 2010-08-31. Senast ändrad 2014-09-02.
CPL Pubid: 125471

 

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Institutioner (Chalmers)

Institutionen för energi och miljö, Installationsteknik (2005-2014)

Ämnesområden

Byggnadsteknik

Chalmers infrastruktur