以R134a为制冷剂的喷射制冷理论分析及其CFD模拟  

Theoretical analysis on an ejector refrigeration system using R134a as refrigerant and it's CFD simulation

作　　者：徐振立[1] 陶乐仁[1] 谷宇海[1] 

机构地区：[1]上海理工大学

出　　处：《制冷与空调》2006年第5期27-30,共4页Refrigeration and Air-Conditioning

摘　　要：介绍以R134a为制冷剂的太阳能喷射制冷系统,并对系统核心部件喷射器进行CFD模拟,根据CFD模拟结果确定喷射器的最佳结构尺寸。在此基础上,对该系统进行理论分析。在发生温度90℃、蒸发温度0℃、冷凝温度34℃的条件下,系统COP可以达到0.182。Describes an solar ejector refrigeration system using R134a as refrigerant and presents results of CFD analysis of the ejector,based on which the optimum geometry of the ejector can be obtained. Presents theoretical analysis of the system. A COP of 0. 182 can be achieved at generating temperature 90 ℃, evaporating temperature 0℃ and condensing temperature 34℃.

关 键 词：喷射制冷 R134A CFD模拟 

分 类 号：TB64[一般工业技术—制冷工程]