Heat-pipe enhanced solar-assisted heat pump water heater

被引：62
|
作者：
Huang, BJ [1 ]
Lee, JP
Chyng, JP
机构：
[1] Natl Taiwan Univ, Dept Engn Mech, Taipei 106, Taiwan
[2] Chinmin Coll, Dept Elect Engn, Toufen, Maioli, Taiwan
来源：
SOLAR ENERGY | 2005年 / 78卷 / 03期
关键词：
solar heat pump; solar thermal; heat pump; solar water heater;
D O I：
10.1016/j.solener.2004.08.009
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 heat-pipe enhanced solar-assisted heat pump water heater (HPSAHP) is studied. HPSAHP is a heat pump with dual heat sources that combines the performance of conventional heat pump and solar heat pipe collector. HPSAHP operates in heat-pump mode when solar radiation is low and in heat-pipe mode without electricity consumption when solar radiation is high. HPSAHP can thus achieve high energy efficiency. A prototype was designed and built in the present study. An outdoor test for a HPSAHP in the present study has shown that COP of the hybrid-mode operation can reach 3.32, an increase of 28.7% as compared to the heat-pump mode COP (2.58). (c) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：375 / 381
页数：7
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