Rapid Evaluation for Stability of Refrigerants Including 2,3,3,3-tetrafluoropropylene by Using Closed Circulation System
Rapid Evaluation for Stability of Refrigerants Including 2,3,3,3-tetrafluoropropylene by Using Closed Circulation System
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DOI：
10.14723/tmrsj.37.479
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发表时间：
2012-09
期刊：
影响因子：
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通讯作者：
Suzuki Takashi;Shunji Komatsu;Sangchul Bae;M. Katsuta;R. Yamamoto;T. So;Komatsu Hidekazu;T. Machid
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文献类型：
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作者：
Suzuki Takashi;Shunji Komatsu;Sangchul Bae;M. Katsuta;R. Yamamoto;T. So;Komatsu Hidekazu;T. Machid
从1，1，1，2-四氟乙烷等常规制冷剂向具有低全球变暖潜势(GWP)的中等分子制冷剂的交换正在进行中。全球变暖潜能值低的替代制冷剂设计成在大气中很容易分解。因此，人们担心，在包括金属在内的汽车空调机械部件的存在下，制冷剂的寿命会加速缩短(S)。为了评价系统的短期稳定性，在闭路循环系统中，将低GWP的2，3，3，3-四氟丙烯等制冷剂与载体上高度分散的金属多次接触。最后，在约1.5小时内成功地实现了制冷剂相对稳定性的评价。因此，与传统方法相比，评估期限能够大大缩短。
Act of exchange from conventional refrigerant like 1,1,1,2-tetrafluoroethane to moderate molecular showing low global warming potential (GWP) is going on. Substituted refrigerants with low GWP are designed to readily decompose in atmosphere. It is, therefore, feared that the life shortening of the refrigerant is accelerated in the presence of mechanical parts of vehicle air conditioner including metal(s). In order to evaluate the stability in the short term, refrigerants including 2,3,3,3-tetrafluoropropylene with low GWP was contacted many times with highly dispersed metal on carrier in the closed circulating system. Finally, the evaluation of relative stability of refrigerants was successfully achieved within ca. 1.5 hours. Thus the evaluation term was able to shorten dramatically compared to the conventional method.