THE INFLUENCE OF SOIL HEAT IMBALANCE ON GROUND-COUPLED HEAT PUMP SYSTEM AND STRATEGY

被引：0
|
作者：
Fan, Rui [1 ]
Gao, Yan
Song, Yingqian
Long, Weiding [1 ]
机构：
[1] Tongji Univ, Sino German Coll Appl Sci, Shanghai 200092, Peoples R China
来源：
PROCEEDINGS OF THE ASME INTERNATIONAL MECHANICAL ENGINEERING CONGRESS AND EXPOSITION - 2010, VOL 5, PTS A AND B | 2012年
关键词：
D O I：
暂无
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：
It is well noticed that imbalance between winter heat requirement and summer heat gain in soil has an effect on heat transfer characteristic of ground heat exchanger (GHE), which results into the decrease of operation efficiency of ground-coupled heat pump system year by year. Therefore, the research on heat transfer characteristic of GHE for different heat imbalance rate is firstly presented in the article, and then, based on numerical model of heating conduction and groundwater heat advection, the influence of groundwater flow rate is analyzed. Finally, several suggestions such as auxiliary cool and heat source, GHE adjustment strategy are put forward for better and efficient operation of system.
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页码：1183 / 1188
页数：6
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