Operation performance investigation of ground-coupled heat-pump system for temperate region

Yi Man, Hongxing Yang, Jinggang Wang and Zhaohong Fang

International Journal of Low-Carbon Technologies, 2010, vol. 6, issue 2, 107-118

Abstract: In order to investigate the operation performance of ground-coupled heat-pump (GCHP) system, an analytical simulation model of GCHP system on short time-step basis and a computer program based on this model to predict system operating parameters are developed in this study. Besides, detailed on-site experiments on GCHP test rig installed in a temperate region of China are carried out. The temperature distributions of borehole as well as ground around borehole at different depths are evaluated. Operation parameters of GCHP system such as circulating water temperature, heat rejection into ground and system power consumption when the system operated in intermittent and continuous modes are investigated. The accuracy of proposed simulation model is validated by experimental data. The advantage of GCHP technology in energy efficiency over other conventional air-conditioning systems is proved to be obvious and the performance of GCHP system is found to be affected by its operation modes. Copyright The Author 2010. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oup.com, Oxford University Press.

Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:oup:ijlctc:v:6:y:2010:i:2:p:107-118

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