As an environmentally harmless and feasible alternate refrigerant, CO2 has attracted worldwide attention, especially in the area of automobile air-conditioning (AAC). The thermal property of CO2 and its trans-critical refrigeration cycle is very different from that of the traditional CFC or HCFC system. The detailed process of CO2 system thermal cycle design and optimization is described in this paper. System prototype and performance test bench were developed to analyze the performance of the CO2 AAC system.
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机译：作为一种环保和可行的替代制冷剂，CO2引起了全球的关注，尤其是在汽车空调（AAC）的区域。 CO 2的热性及其横临法冷冻循环与传统CFC或HCFC系统的热性质非常不同。本文描述了CO2系统热循环设计和优化的详细过程。系统原型和性能测试台开发出分析CO2 AAC系统的性能。
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