Soil temperature affected by heat exchanger when ground-coupled source heat pump running

被引：2

作者：

Zhou Zhi-hua ^{[1
]}

Zhang Zhi-hong ^{[2
]}

Liu Xiao-hai ^{[3
]}

Zhang Shi-hua ^{[1
]}

机构：

[1] Tianjin Univ, Sch Environm Sci & Technol, Tianjin 300072, Peoples R China

[2] Hebei Inst Architecture & Civil Engn, Urban Construct Dept, Zhangjiakou 075024, Peoples R China

[3] China Construct Design Int, Beijing 100029, Peoples R China

来源：

JOURNAL OF CENTRAL SOUTH UNIVERSITY OF TECHNOLOGY | 2007年 / 14卷

关键词：

ground-coupled source heat pump; heat exchanger; effective radius; temperature;

D O I：

10.1007/s11771-007-0394-4

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

By using some temperature sensors in-stalled during construction, the original temperature under ground was tested in certain office building in Tianjin. Temperatures around heat exchangers in different depths and different distances were also tested during heat pump running. The results indicate that the effective radius of heat exchanger in winter is 1.5-2.5 m, and the space between exchangers of 5 in can satisfy system's running. But in order to ensure the heat pump run steadily for a long time, soil temperature should be maintained stably. Heat load in winter should be more than cool load in summer in Tianjin.

引用

页码：202 / 204

页数：3

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