Experimental investigation and performance analysis of a ground-coupled heat pump system

被引：16
|
作者：
Zhai, X. Q. [1 ]
Yu, X. [1 ]
Yang, Y. [1 ]
Wang, R. Z. [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Inst Refrigerat & Cryogen, Shanghai 200240, Peoples R China
来源：
GEOTHERMICS | 2013年 / 48卷
基金：
中国国家自然科学基金;
关键词：
Ground-coupled heat pump system; Long-term performance analysis; Soil temperature; COMBINATION; OPTIMIZATION; AIR;
D O I：
10.1016/j.geothermics.2013.06.004
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A ground-coupled heat pump system using heat recovery technology was developed for a cooling-dominated building. According to experimental results, an increment in soil temperature of about 0.5 degrees C was observed after one year of operation. The long-term performance analysis shows that the increase in soil temperature is one third of that without heat recovery. The higher the set value of indoor temperature, the lower is the increase in soil temperature after long-term operation. The distance between the boreholes is suggested to be 4-5 m in urban areas with limited space for the installation of ground heat exchangers. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：112 / 120
页数：9
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