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低温工况下R125替代R502的热力性能分析
引用本文:孟庆海,季阿敏,李杰,杜丽丽. 低温工况下R125替代R502的热力性能分析[J]. 哈尔滨商业大学学报(自然科学版), 2005, 21(4): 506-508
作者姓名:孟庆海  季阿敏  李杰  杜丽丽
作者单位:哈尔滨商业大学,土木与制冷工程学院,黑龙江,哈尔滨,150076
摘    要:
R502被认为是一种性能良好的制冷剂,但由于其对臭氧层的污染即将被禁止使用、为了寻找R502替代工质,在特定工况下,对R125、R22和R502进行热力性质对比分析,鉴于R125具有良好的热力性能及对大气臭氧层的无迫害性,在理论上论证了R125替代的可行性。

关 键 词:工质替代  R125  R502  R22
文章编号:1672-0946(2005)04-0506-03
修稿时间:2005-02-24

Analysis on heating performance of substitution of R125 for R502 in working condition of low-temperature
MENG Qing-hai,JI A-min,LI Jie,DU Li-li. Analysis on heating performance of substitution of R125 for R502 in working condition of low-temperature[J]. Journal of Harbin University of Commerce :Natural Sciences Edition, 2005, 21(4): 506-508
Authors:MENG Qing-hai  JI A-min  LI Jie  DU Li-li
Abstract:
R502 is considered to be one refrigerant with good performance, but it will be forbidden to be used because its pollution to the ozonic atmosphere . In order to look for substitution for R502 , under the special working condition , the heating performances of R125,R22 and R502 were analyzed and contrasted,because R125 has excellent heating performance and it is not destructive to ozonic atmosphere, it is proved that R125 can substitute for R502 in theory.
Keywords:alternative refrigerant  R125  R502  R22
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