Simulation and experiment on the thermal performance of U-vertical ground coupled heat exchanger

被引：71

作者：

Li, Xinguo ^{[1
]}

Chen, Zhihao ^{[1
]}

Zhao, Jun ^{[1
]}

机构：

[1] Tianjin Univ, Sch Mech Engn, Dept Thermal Engn, Tianjin 300072, Peoples R China

来源：

APPLIED THERMAL ENGINEERING | 2006年 / 26卷 / 14-15期

关键词：

U-vertical ground coupled heat exchanger (UGCHE); thermal performance; ground temperature; heat balance;

D O I：

10.1016/j.applthermaleng.2005.12.007

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This paper presented both the numerical simulations and experiments on the thermal performance of U-vertical ground coupled heat exchanger (UGCHE). The variation of the ground temperature and heat balance of the system were analyzed and compared in different operation modes in the numerical simulation. Experiments on the operation performance of the ground-coupled heat pump (GCHP) with the UGCHE were carried out. It shows that the ground source can be used as the heat source/sink for GCHP systems to have higher efficiency in saving energy. To preserve the ground resource for the sustainable utilization as heat source/sink, the heat emitted to ground and heat extracted from ground should be balanced. (c) 2005 Elsevier Ltd. All rights reserved.

引用

页码：1564 / 1571

页数：8

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