Performance of ejector cooling system with thermal pumping effect using R141b and R365mfc

被引：30
|
作者：
Wang, Jin Hua [1 ]
Wu, J. H. [1 ]
Hu, S. S. [1 ]
Huang, B. J. [1 ]
机构：
[1] Natl Taiwan Univ, Dept Mech Engn, Taipei 10764, Taiwan
来源：
APPLIED THERMAL ENGINEERING | 2009年 / 29卷 / 10期
关键词：
Ejector cooling system; Ejector; R365mfc; R141b; LOW-GRADE HEAT; THERMODYNAMIC ANALYSIS; DRIVEN PUMP; SOLAR;
D O I：
10.1016/j.applthermaleng.2008.08.015
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The ejector cooling system (ECS) is suitable for solar cooling application due to its simple design and low cost. An ECS using a multi-function generator (ECS/MFG) as a thermal pumping device without rotating machines for refrigerant circulation has been designed and tested. The experiment of an ECS/MFG operating at full-cycle while using R141b has shown that the COPo can reach 0.225 and cooling capacity of 0.75 kW at generator temperature 90 degrees C. condenser temperature 37 degrees C, and evaporator temperature 8.5 degrees C. The present study also redesigned the ejector for working fluid R365mfc in order to replace R141b. This study has shown that R365mfc can replace R141b as the working fluid of ECS/MFG at no payoff of system performance as long as the ejector design is optimized. (C) 2008 Elsevier Ltd. All rights reserved.
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页码：1904 / 1912
页数：9
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