Heating Performance and Economic Analysis of Solar-Assisted Cold-Water Phase-Change-Energy Heat Pump System in Series and Parallel Connections

被引：0
|
作者：
Yang, Yujuan [1 ]
Wu, Ronghua [1 ]
Yue, Yuanbo [2 ]
Zhang, Yao [1 ]
Sun, Yuanyuan [2 ]
Liu, Shunjie [2 ]
机构：
[1] Qingdao Univ, Coll Mech & Elect Engn, Qingdao 266000, Peoples R China
[2] Qingdao KC Blue New Energy Co Ltd, Qingdao 266000, Peoples R China
来源：
ENERGIES | 2023年 / 16卷 / 16期
关键词：
cold-water phase change; heat pump system; ice thickness; solar; economics; RECOVERY;
D O I：
10.3390/en16165989
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：
To study the heating performance of a solar-assisted cold-water phase-change-energy heat pump system, its heating performance under series and parallel connections is simulated for a community in Harbin, the influence of ice thickness on the different operation modes is analyzed, and the economy of the system is calculated for series and parallel connections in this paper. The results show that the water supply temperature is higher and more uniform in the parallel operation, and more terminal heat is supplied; the ice thickness has more of an influence on the series connection compared to the parallel connection; and the dynamic payback period is 6.72 years for the series connection and 7.28 years for the parallel connection. This case study can serve as a guide for practical engineering application projects and act as a reference for heating and economic data for the promotion of this heat pump system.
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页数：21
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