CO_(2)跨临界制冷技术的应用研究  

Application of CO_(2)transcritical refrigeration technology

作　　者：周俊海 王汝金 程立权 张欢 魏昇 葛坦 Zhou Junhai;Wang Rujin;Cheng Liquan;Zhang Huan;Wei Sheng;Ge Tan(State Key Laboratory of Compressor Technology,Hefei General Machinery Research Institute Co.,Ltd.)

机构地区：[1]合肥通用机械研究院有限公司,压缩机技术国家重点实验室

出　　处：《制冷与空调》2023年第6期24-28,共5页Refrigeration and Air-Conditioning

基　　金：国家重点研发计划(2021YFF03068010)项目;安徽省重点研究与开发计划(202104h04020030)资助。

摘　　要：CO_(2)是天然工质,应用于蒸气压缩制冷循环具有传热性能好、流动阻力小、单位容积制冷量大且经济性好的优点。本文介绍CO_(2)跨临界制冷技术的基本原理,阐述该技术在人工冰场及新能源汽车空调系统的应用情况和相应的研究进展,指出系统全工况性能检测、关键部件可靠性提升是未来CO_(2)跨临界制冷技术的重要研究方向。As a natural working medium,CO_(2)has the advantages of good heat transfer performance,low flow resistance,large cooling capacity per unit volume and good economy used in vaper compression refrigeration cycle.The basic principle of CO_(2)transcritical refrigeration technology is introduced,and its application situation in artificial ice stadium and new energy vehicle air-conditioning system and the corresponding research progress are explored.Finally,it is proposed that the performance detection of all operation conditions of the system and the reliability improvement of key components are important research directions of CO_(2)transcritical refrigeration technology in the future.

关 键 词：人工冰场 新能源汽车空调 制冷 CO_(2) 跨临界循环 

分 类 号：TB6[一般工业技术—制冷工程]