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| | A analysis of leakage is carried out for automobile air conditioner charged with HCFC-22/HFC-152a. The performance of automobile air conditioners doesn ,t obviously change when leakage of the blend refrigerant happens. The HCFC-22/HFC-152a(40/60mass%) can be used as alternative refrigerant in the transition period of existing automobile air conditioners. | | 对采用HCFC - 2 2 /HFC - 1 52a混合制冷剂的汽车空调的泄漏性能进行了分析 ;说明了HCFC - 2 2 /HFC - 1 52a混合制冷剂不会因泄漏引起制冷系统性能的显著变化 ,它可作为现有的汽车空调系统的过渡替代工质。 | | 文摘来源 | | Some typical gas equations of state are analyzed and compared in this paper.It introduces the merit and shortcoming of three vapor-liquid equilibrium models and provides the problems existed at present,which pointing out the direction of deep research.In addition,some useful thermodynamic property data of typical blend refrigerant are listed for reference. | | 文章对几种典型的气体状态方程进行了比较分析 ,介绍了三种气液平衡模型的优缺点 ,提出了目前存在的问题 ,为进一步深入研究指明了方向。另外 ,列表给出了几种典型的二元混合制冷工质的热物性数据 ,可供参考。 | | 文摘来源 | | The performances of refrigerator refrigeration cycle with the blend refrigerant HFC152a/HFC125 were theoretically calculated and analyzed in this paper. Experimental study on the main performances of refrigerator refrigeration cycle was conducted using HFC152a/HFC125 substituting for CFC12 and HFC152a/HCFC22 under the condition of different proportion and different charge amount of HFC152a/HFC125. The experimental results indicate that the refrigeration performance of refrigerator can meet the n... | | 对环保节能制冷剂——二元近共沸混合工质 HFC1 5 2 a/HFC1 2 5在电冰箱上应用的制冷循环性能进行了详细的理论计算和分析 ,并且对该工质灌注式替代 CFC1 2和 HFC1 5 2 a/HCFC2 2在不同配比和充灌量下的电冰箱主要制冷性能进行了实验研究。实验结果表明 :在合适的配比和充灌量下电冰箱制冷性能指标满足国家标准要求。混合制冷剂 HFC1 5 2 a/HFC1 2 5优良的环保性能和冰箱制冷性能使它完全适合做新一代的冰箱制冷剂。 | | 文摘来源 | |   |
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