Journal
ENERGY AND BUILDINGS
Volume 41, Issue 11, Pages 1233-1237Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.enbuild.2009.07.020
Keywords
Ground sink direct cooling system; Vertical U-tube ground heat exchangers; Performance parameters; Cooling characteristics; Energy saving; Experimental study
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A conception with ground as a heat sink directly for cooling of the buildings in cold areas is presented. A corresponding experimental system was constructed in Harbin area and operated in summer in 2006. Some important performance parameters, such as the cooling seasonal performance factor (CSPF) and the average heat rejection rate unit depth of borehole, were obtained and some analyses for the system characteristics are made. The experimental results show that the ground sink direct cooling system (GSDCS) presented has great potentialities in energy saving within a specified region. (C) 2009 Elsevier B.V. All rights reserved.
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