Currently, the refrigerant used in the automotive air conditioning system is R134 a which has a high global warming potential（GWP） value, so people are eager to find a good replacement for it. According to recent studies, R1234 yf is considered as one of the top candidates to replace R134 a. In this article, the performances of R1234 yf "drop-in" system and the optimization to the R1234 yf system are experimentally studied and investigated.The expansion valve used for the R1234 yf system is opti... 

【文章來源】：Journal of Shanghai Jiaotong University（Science）. 2016,21(05)EI

【文章頁數(shù)】：9 頁


本文編號：3570814