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本文对混合工质用于汽车空调替代Ｒ１２的重要问题─—泄漏问题进行了理论分析计算及试验研究。证明混合工质Ｒ２２／Ｒ１５２ａ／Ｒ１４２ｂ在汽车空调系统中正常泄漏对系统性能影响不大。并且参过试验证明系统中工质泄漏后，充灌相同浓度的混合工质可保持系统性能稳定。
In this paper, the refrigerant mixture for the use of air conditioning to replace R12 important problem ─ ─ leakage problem theoretical analysis and calculation and experimental study. It proves that the normal leakage of mixed refrigerant R22 / R152a / R142b in the automotive air conditioning system has little effect on system performance. And to participate in the test proved that the leakage of working fluid in the system, filling the same concentration of mixed refrigerant can maintain system performance and stability.