新型光伏-太阳能环形热管/热泵复合系统

doi:10.3969/j.issn.0438-1157.2014.08.051

化工学报 ›› 2014, Vol. 65 ›› Issue (8): 3228-3236.DOI: 10.3969/j.issn.0438-1157.2014.08.051

新型光伏-太阳能环形热管/热泵复合系统

张龙灿¹, 裴刚¹, 张涛², 季杰¹

1 中国科学技术大学热科学和能源工程系, 安徽合肥 230026;
2 北京航天长征飞行器研究所, 北京 100076

收稿日期:2013-11-20 修回日期:2014-04-08 出版日期:2014-08-05 发布日期:2014-08-05
通讯作者: 裴刚
基金资助:
国家自然科学基金项目（51178442）；中央高校基本科研业务费专项资金。

A new photovoltaic solar-assisted loop heat pipe/heat-pump system

ZHANG Longcan¹, PEI Gang¹, ZHANG Tao², JI Jie¹

1 Department of Thermal Science and Energy Engineering, University of Science and Technology of China, Hefei 230026, Anhui, China;
2 Beijing Institute of Space Long March Vehicle, Beijing 100076, China

Received:2013-11-20 Revised:2014-04-08 Online:2014-08-05 Published:2014-08-05
Supported by:
supported by the National Natural Science Foundation of China (51178442) and the Fundamental Research Funds for Central University.

摘要/Abstract

摘要： 光伏-太阳能环形热管/热泵复合系统将太阳能环形热管循环模式和太阳能热泵循环模式有机结合，两者采用相同的工质，共用一个PVT蒸发器和冷凝器。当太阳辐照强度较强，工质在PVT蒸发器中的温度高于冷凝器中的温度时，可以利用环形热管模式制热；当太阳辐照强度较弱或工质在PVT蒸发器中与冷凝器中的温差无法满足环形热管模式运行时，可以利用热泵模式制热。两种模式既能够独立运行，又可以互相切换，确保热能的稳定供应，同时能够明显降低系统耗电量。搭建了光伏-太阳能环形热管/热泵复合系统实验平台，对复合系统在环形热管模式和热泵模式独立运行时的瞬时性能和全天性能进行了实验研究。

关键词: 太阳能, 热泵, 环形热管, 热力学, 可用能

Abstract: The photovoltaic solar assisted loop heat pipe system/heat-pump (PV-SALHP/HP) is the combination of solar assisted loop heat pipe system (SALHP) and solar assisted heat pipe (SAHP). A photovoltaic/thermal (PVT) evaporator and condenser could be shared by two circling modes, and so is the working medium. The loop heat pipe mode will be utilized when solar radiation is strong and the temperature of working medium in PVT evaporator is higher than that in condenser. Correspondingly, the heat pump mode will be started when solar radiation is weak or the temperature difference of working medium in PVT evaporator and condenser cannot satisfy the condition of loop heat pipe mode. The loop heat pipe mode is passive and the heat pump mode is active, which means that the loop heat pipe mode does not consume work and the heat pump mode does. Therefore, the transformable mode of system could heavily reduce power consumption, raise the utilization ratio of solar energy, and promote energy saving. A PV-SAHP/LHP test rig is built. The instantaneous and daily performance of the loop heat pipe mode and heat pump mode is studied.

Key words: solar energy, heat pump, loop heat pipe, thermodynamics, exergy

中图分类号:

TK51

张龙灿, 裴刚, 张涛, 季杰. 新型光伏-太阳能环形热管/热泵复合系统[J]. 化工学报, 2014, 65(8): 3228-3236.

ZHANG Longcan, PEI Gang, ZHANG Tao, JI Jie. A new photovoltaic solar-assisted loop heat pipe/heat-pump system[J]. CIESC Journal, 2014, 65(8): 3228-3236.

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新型光伏-太阳能环形热管/热泵复合系统

A new photovoltaic solar-assisted loop heat pipe/heat-pump system

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