张仙平;郑慧凡;王方;薛永飞;段焕林;

• 1:河南工程学院
• 2:中原工学院

摘要(Abstract)：

随着全球环境问题日益加剧,制冷空调行业氟利昂类制冷工质的替代受到普遍关注,绿色环保制冷剂R744因此得到重新启用。单一工质R744热泵系统存在放热侧压力高、系统效率低的缺点,在R744中混入合适的第二组分工质可以有效降低压力或同时改善其效率。本文主要从R744混合工质的热物性、流动传热特性、应用于热泵空调系统、应用于复叠式制冷系统等方面进行综述,并针对研究现状,分析了目前R744混合工质研究存在的主要问题,指出了未来的研究和发展方向。

关键词(KeyWords)： R744(CO_2);混合工质;替代;环保

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(51306214);; 河南省高等学校青年骨干教师资助计划项目(2012GGJS-185)

作者(Author): 张仙平;郑慧凡;王方;薛永飞;段焕林;

Email:

DOI:

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