Prediction of the thermal performance of horizontal-coupled ground source heat exchangers
Wu, Y., Gan, G., Garcia Gonzalez, R., Verhoef, A. and Vidale, P. L. (2011) Prediction of the thermal performance of horizontal-coupled ground source heat exchangers. International Journal of Low-Carbon Technologies, 6 (4). pp. 261-269. ISSN 1748-1317
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To link to this article DOI: 10.1093/ijlct/ctr013
The thermal performance of a horizontal-coupled ground-source heat pump system has been assessed both experimentally and numerically in a UK climate. A numerical simulation of thermal behaviour of the horizontal-coupled heat exchanger for combinations of different ambient air temperatures, wind speeds, refrigerant temperature and soil thermal properties was studied using a validated 2D transient model. The specific heat extraction by the heat exchanger increased with ambient temperature and soil thermal conductivity, however it decreased with increasing refrigerant temperature. The effect of wind speed was negligible.