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R600a/R23 自动复叠制冷系统试验研究

晨怡热管 (1 上海理工大学制冷技术研究所,上海 200093，2 海尔集团技术中心,青岛,233101) 刘红绍肖传晶张华刘占杰白文涛 2008-5-4 23:29:27

摘要本文分析了自动复叠制冷循环的特点和R600a/R23 混合工质的特性，并在此基础上对循环系统进行优化，搭建了试验台进行循环降温特性的研究，在合理简化的基础上对试验结果进行了分析。并给出了制冷循环的空间压-焓图。
关键词自动复叠制冷系统降温特性混合制冷剂
EXPERIMENTAL STUDY ON R600A/R23 AUTO-CASCADE
REFRIGERATION SYSTEM
LIU Hongshao1 XIAO Chuanjing1 ZHANG Hua1 LIU Zhanjie2 BAI Wentao2
(1 Institute of Refrigeration Technology, University of Shanghai for Science and Technology, Shanghai 200093,PR China;
2 Center of Technology of Haier Group，Qingdao, Shandong Province, 266010, PR China)
Abstract The characteristics of auto-cascade refrigeration system and R600a/R23 mixture is discussed in this paper. Based on this, an optimized two-stage auto-cascade refrigeration system adopted with R600a/R23 is fabricated to study the characteristics of temperature change while the system cooling down. The test result is analyzed based on reasonable predigestion, and the flow diagram of refrigeration cycle is shown on space Lg(p)-h chart.
Keywords Auto-cascade refrigeration Characteristics in the decline of temperature process Blend refrigerants

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