EXPERIMENTAL STUDY ON AIR SEASONAL THERMAL STORAGE IN A GROUND SOURCE HEAT PUMP SYSTEM IN SEVERE COLD AREAS

被引：0
|
作者：
Zhang, S. [1 ,2 ]
Zheng, M. Y. [1 ]
Wang, X. [1 ]
Sun, H. L. [1 ]
机构：
[1] Harbin Inst Technol, Sch Municipal & Environm Engn, Harbin 150090, Peoples R China
[2] Northeast Petr Univ, Sch Civil Engn & Architecture, Daqing 168318, Peoples R China
来源：
7TH INTERNATIONAL SYMPOSIUM ON HEATING, VENTILATING AND AIR CONDITIONING, PROCEEDINGS OF ISHVAC 2011, VOLS I-IV | 2011年
关键词：
Seasonal thermal storage; Heat pump; Ground heat exchanger; Experimental study; Intermittent operation;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In view of the problem of the ground load imbalance in severe cold area, this paper puts forward a ground source heat pump system with air seasonal thermal storage (GSHPASTS), and presents the experimental study of air seasonal heat storage in Harbin. The nature air heat was injected into the soil in summer and extracted by the heat pump in winter. The results show that the average performance coefficient of the heat storage was 12.44, and the heat storage rate of unit buried depth was 14.20W/m. After the soil recovery for 69 days, the average temperature of the soil around the ground heat exchanger (GHE) was about 1(degrees)C higher than that of the soil in the observational well. Therefore, it can be concluded that the idea of air seasonal heat storage is feasible, and the intermittent operation is helpful to improve the heat storage performance.
引用
收藏
页码：725 / 731
页数：7
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