Study on the performance of Einstein refrigeration cycle with different system pressure

被引：0
|
作者：
Xue, Jiuming [1 ]
Liu, Daoping [1 ]
Yang, Liang [1 ]
机构：
[1] School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai,200093, China
来源：
Huagong Jinzhan/Chemical Industry and Engineering Progress | 2017年 / 36卷 / S1期
关键词：
Pumps; -; Refrigeration;
D O I：
10.16085/j.issn.1000-6613.2017-1566
中图分类号：
学科分类号：
摘要：
Based on the modified Einstein refrigeration cycle, the model of bubble pump and the entire system was established.According to the theory of two phase flow of homogeneous flow, the performance of the bubble pump working under slug condition was calculated, and the maximum efficiency under the different system pressure was obtained.Substitute these values into system thermodynamic model, the influence of main system operating parameters on its performance under the system pressure of 3—5 bar was simulated using software EES.Results show that: the COP of Einstein refrigeration under low pressure is better; the influence of evaporation temperature is greater than the condensation under different pressure; the system performance exists a maximum as the generator temperature increase and lower pressure does good to better system performance and is convenient to make low grade heat source(356—390 K).Those research results provides reliable parameter selection principle for key operation parameters of Einstein refrigeration system and indicated the direction of the design and further optimization of the system components. © 2017, Chemical Industry Press Co., Ltd.. All rights reserved.
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页码：101 / 106
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