Experimental and theoretical study of solar-air source heat pump system

HUANG Ziqi; ZHANG Xiaosong

doi:10.11949/j.issn.0438-1157.20161400

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Experimental and theoretical study of solar-air source heat pump system

更新时间：2025-11-26

- Experimental and theoretical study of solar-air source heat pump system
- CIESC Journal Issue S2, Pages: 356-361(2016)
- 作者机构：
  
  东南大学能源与环境学院,江苏,南京,210096
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20161400
  CLC： K519
- Online First：30 December 2016，
  
  Published：30 December 2016
- 稿件说明：
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HUANG Ziqi, ZHANG Xiaosong. Experimental and theoretical study of solar-air source heat pump system[J]. CIESC Journal, 2016, (S2): 356-361.
DOI：

HUANG Ziqi, ZHANG Xiaosong. Experimental and theoretical study of solar-air source heat pump system[J]. CIESC Journal, 2016, (S2): 356-361. DOI： 10.11949/j.issn.0438-1157.20161400.

摘要

构建了一种多功能直膨式太阳能与空气源复合的热泵空调热水系统，并对其性能进行了理论分析与实验对比，系统利用太阳能提高了集热板的蒸发温度，因此相对于普通的空气源热泵，系统的性能得到了提升。在冬季及春季，对系统样机的性能进行了测试。在春季，太阳辐射强度为856 W·m-2时，系统制生活热水平均COP为5.78；在冬季晴天测试系统供暖性能，COP变化趋势与太阳辐射强度相同，集热效率则与之相反，COP与集热效率均值分别为5.8和0.64。通过对比分析，探究了系统主要参数的相互关系。

Abstract

A multi-functional direct-expansion type of solar-air source heat pump system was developed

and the system performance was analyzed in theory and compared with the experiment result.The evaporator temperature is raised through solar energy input

which in return

translates into improvement in the thermal performance of the heat pump.An experimental prototype was investigated in spring and winter.In spring

when the solar radiation intensity is 856 W·m-2

the average COP of the system produced hot-water is 5.78; when the heating performance of the system was tested in the sunny day of winter

the variation tendency of the COP went the same with that of solar radiation.But the collector efficiency moved in the opposite direction.The mean values of the COP and the efficiency were 5.8 and 0.64

respectively.By the contrast analysis

the relationship of the major parameters of the system was investigated in this paper.

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