【摘要】 二氧化碳作为一种自然制冷剂,可以根本上解决制冷系统的CFCs工质替代问题。本文介绍了二氧化碳跨临界制冷循环系统及其关键设备—制冷压缩机、气体冷却器、蒸发器、膨胀机的研究设计进展情况,并详细介绍了压缩机、气体冷却器和膨胀机的性能影响因素。更多还原

【Abstract】 Carbon dioxide which is called natural refrigerant can radically solve the CFCs replacement problem in the air-conditioning system.This paper mainly introduces the development and optimization carbon dioxide trans-critical refrigeration system and its key equipments-compressor,gas cooler,evaporator,expander,and introduces the influencing factors on the compressor,gas cooler and expander′s capability in detail.更多还原