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利用新搭建的测量制冷剂/润滑油混合物互溶性的实验系统,实验测量了DME/矿物油、DME/酯类油和三种配比的混合制冷剂DME/R125与矿物油的临界互溶温度。结果表明:DME作为制冷剂与各类润滑油都具有良好的互溶性;DME/R125与矿物油的互溶性,随混合制冷剂中DME比例的增加,临界互溶温度降低。

An experimental device was designed to measure the misdbility of refrigerant and lubricant mixtures. The critical solubilit,y temperature of DME/mineral oil DME/POE and DME/R125/mineral oil with three mass fractions were investigated. The results showed that DME has good miscibility with various types of lubricants. The critical solubility temperaturc of Fefrigerant mixtures DME/R125 and SUNISO 3GS is decreasing with the ixlcreasing mass fractions of DME.

参考文献

[1] Jiangtao Wu;Zhigang Liu;Jiang Pan;Xiaoming Zhao .Vapor Pressure Measurements of Dimethyl Ether from (233 to 399) K[J].Journal of Chemical and Engineering Data: the ACS Journal for Data,2004(1):32-34.
[2] Masato Kaneko;Shuichi Sakanoue;Toshihiro Tazaki;Shoichi Tominaga;Minoru Takagi;Mark Goodin .Determination of properties of PVE lubricants with HFC refrigerants[J].ASHRAE Transactions,1999(2):1000-1007.
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