压缩/喷射混合制冷系统喷射器设计及其变工况特性探讨

Journal of Applied Sciences ›› 2006, Vol. 24 ›› Issue (6): 642-646.

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Ejector in Compression/Ejection Hybrid Refrigerator: Design and Performances

LIU Jing-hui, CHEN Jiang-ping, CHEN Zhi-jiu

Institute of Refrigeration and Cryogenics, Shanghai Jiaotong University, Shanghai 200030, China

Received:2005-09-16 Revised:2005-11-29 Online:2006-11-30 Published:2006-11-30

Abstract

Abstract: This paper presents a method to determine diameter of mixing chamber in the ejector of a vapor compression/ejection hybrid refrigeration system (VCEHRS), and discusses its performances that vary with the working condition.The results show that an optimum diameter exists, corresponding to the maximum COP of VCEHRS.The performance deviates from the designing target when the working condition varies.The variation of refrigeration capacity of VCEHRS is smaller than that of traditional refrigeration systems.

Key words: ejector, design, refrigeration system, performance varying with working condition

CLC Number:

TB61

LIU Jing-hui, CHEN Jiang-ping, CHEN Zhi-jiu. Ejector in Compression/Ejection Hybrid Refrigerator: Design and Performances[J]. Journal of Applied Sciences, 2006, 24(6): 642-646.

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Ejector in Compression/Ejection Hybrid Refrigerator: Design and Performances

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