Experimental investigation on the performance of a solar powered lithium bromide-water absorption cooling system

被引：39
|
作者：
Li, Ming [1 ]
Xu, Chengmu [1 ]
Hassanien, Reda Hassanien Emam [1 ,2 ]
Xu, Yongfeng [1 ,3 ]
Zhuang, Binwei [1 ]
机构：
[1] Yunnan Normal Univ, Solar Energy Res Inst, Kunming 650500, Peoples R China
[2] Cairo Univ, Dept Agr Engn, Fac Agr, Cairo 12613, Egypt
[3] Zhejiang Solar Energy Prod Qual Inspect Ctr, Haining 314416, Zhejiang, Peoples R China
来源：
INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID | 2016年 / 71卷
关键词：
Solar cooling; Single-effect absorption chiller; Lithium bromide-water; Parabolic trough solar collector (PTC); Cooling performance; SUBTROPICAL CITY; SINGLE; REFRIGERATION; LIBR/H2O; ENERGY; CHILLER; TECHNOLOGY; COLLECTORS; SIMULATION; PROTOTYPE;
D O I：
10.1016/j.ijrefrig.2016.07.023
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The performance of solar cooling absorption system needs further research, due to its poor coefficient of performance (COP). Therefore, this study investigated the performance of a 23 kW solar powered single-effect lithium bromide-water (LiBr-H2O) absorption cooling system. Furthermore, the space heating mode was also investigated and the improvement methods were analyzed and discussed. The cooling system was driven by a parabolic trough collector of 56 m(2) aperture area and used for cooling a 102 m(2) meeting room. Research results revealed that the chiller's maximum instantaneous refrigeration coefficient (chiller efficiency) could be up to 0.6. Most of the time, in sunny and clear sky days the daily solar heat fraction ranged from 0.33 to 0.41 and the collectors field efficiency ranged from 0.35 to 0.45. At the same time, chiller efficiency was varied from 0.25 to 0.7 and the daily cooling COP was varied from 0.11 to 0.27, respectively. (C) 2016 Elsevier Ltd and IIR. All rights reserved.
引用
收藏
页码：46 / 59
页数：14
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