性能系数
TRNSYS公司
热能储存
热泵
相变材料
混合热
核工程
可再生能源
工艺工程
可再生能源
太阳能
储能
环境科学
采暖系统
废物管理
工程类
热交换器
机械工程
热力学
相变
热的
电气工程
工程物理
物理
功率(物理)
作者
Chuanhui Zhu,Baoguo Li,Shubin Yan,Quanquan Luo,Chao Li
标识
DOI:10.1016/j.enconman.2020.113683
摘要
With increase in global temperature, worsening of environmental conditions and a shortage of energy resources, countries around the world are actively developing the use of renewable energy sources. The technology of combining solar energy and heat pumps is an important direction for the development of new energy utilization technologies. In this paper, a solar phase change heat storage evaporative heat pump system (SPHP) is designed. The system uses a phase change heat storage tank as the connection center, and is coupled with a solar system and a heat pump system. The phase change heat storage tank is filled with ammonium aluminum sulfate dodecahydrate /stearic acid composite phase change heat storage material. The system was experimentally studied, and the analysis of a system simulation was performed using TRNSYS. The results show that the heating electricity consumption of the system is about 72.8% of that of a single heat pump, the daily operating cost is only 41.2% of that for a single heat pump heating system, the average system coefficient of performance (COP) reaches 3.79, the average heat collection efficiency of the solar collector can reach 59.8%, and the system solar energy proportion of heat supply is 27.2%. There was good agreement between the experimental and simulation results for the system COP and temperature of the heating end equipment.
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