摘要
随着环境保护意识的不断加强,传统制冷剂的替代问题越来越重要,自然工质制冷剂又一次引起了研究者的重视。CO_2作为自然工质之一,跨临界热泵热水器是其重要的应用。很多研究表明:气冷器对CO_2热泵热水器系统性能的影响比较大,国内外对此的研究也比较深入。本文着重介绍了国内外对CO_2热泵热水器用气冷器的结构和传热模拟的研究现状。
As awareness of environmental protection has been strengthened, the substitution of traditional refrigerant has become increasingly important, so the natural refrigerants again attracted the attention of researchers. As one of the natural refrigerant CO2, transcritical heat pump water heater is an important application. The existing research results show that, for the CO2 heat pump water heater system, the performance of the system will be greatly influenced by the performance of gas cooler, which has been investigated both in China and abroad. In the present study, the research status on structure and heat transfer simulation of the gas cooler used in CO2 heat pump water heater was emphatically introduced.
出处
《制冷技术》
2016年第2期72-78,共7页
Chinese Journal of Refrigeration Technology
关键词
CO2
热泵热水器
气冷器
综述
CO2
Heat pump water heater
Gas cooler
Review
