Investigating the Thermal Performance of Horizontal Slinky Ground Heat Exchangers for Geothermal Heat Pump

被引：2
|
作者：
Cui, Ping [1 ,2 ,3 ]
Yang, Jie [3 ]
Lin, Yun [3 ]
Fang, Zhaohong [3 ]
机构：
[1] Minist Educ, Key Lab Renewable Energy Utilizat Technol Bldg, Jinan, Peoples R China
[2] Shandong Jianzhu Univ, Shandong Key Lab Bldg Energy Saving Tech, Jinan, Peoples R China
[3] Shandong Jianzhu Univ, Sch Thermal Energy Engn, Jinan, Peoples R China
来源：
PROCEEDINGS OF THE 8TH INTERNATIONAL SYMPOSIUM ON HEATING, VENTILATION AND AIR CONDITIONING, VOL 2: HVAC&R COMPONENT AND ENERGY SYSTEM | 2014年 / 262卷
关键词：
Ground-coupled heat pump; Slinky-coil horizontal ground heat exchanger; Heat transfer model;
D O I：
10.1007/978-3-642-39581-9_8
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The horizontal ground heat exchanger (HGHE) with slinky-coiled pipes recently has been used as a heat source/sink for geothermal heat pump systems because of the significant lower initial cost. A simplified heat transfer model suitable for engineering design of the slinky HGHEs is developed. The model is based on the one-dimensional transient heat transfer in an infinite medium, considering the influence of the tube length per area and the different effects of longterm mean load and short-term intermittent load. A case study is carried out to design the HGHE size by using the proposed model. Some key factors which influence the performance of the HGHE are also discussed such as the thermal properties of the ground and the pipe length per area.
引用
收藏
页码：73 / 83
页数：11
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