吸收式制冷机发生器中沸腾换热特性研究进展  

Research progress on boiling heat transfer characteristics in absorption refrigerator generator

作　　者：赵鑫 何国庚[1] 邓佳驹 高宇 蔡德华[1,2] Zhao Xin;He Guogeng;Deng Jiaju;Gao Yu;Cai Dehua(School of Energy and Power Engineering,Huazhong University of Science and Technology;Shenzhen Huazhong University of Science and Technology Research Institute)

机构地区：[1]华中科技大学能源与动力工程学院 [2]深圳华中科技大学研究院

出　　处：《制冷与空调》2020年第7期1-8,共8页Refrigeration and Air-Conditioning

基　　金：国家自然科学基金(51706077);深圳科技创新委基础研究项目(JCYJ20170307155844701)。

摘　　要：吸收式制冷机可以通过低品位热能驱动,在缓解当今社会能源消耗量大,电力供给紧张和环境日益恶化的问题上具有明显优势,因此受到了越来越多的关注。制冷工质对是吸收式制冷技术发展的关键,以找到一种环境友好、运行效率高、适用范围广的制冷工质对为发展方向。而沸腾换热性能研究又是制冷和化工行业中的基础研究,因此有必要对制冷工质对在发生器中的沸腾换热性能和沸腾换热关联式进行归纳总结。本文将从常用制冷工质对的沸腾换热性能和其他制冷工质对的沸腾换热性能两方面进行阐述。回顾这两方面的研究现状,讨论实际应用的可行性并对未来的发展方向提出建议。Absorption chiller can be driven by low-grade thermal energy,which has obvious advantages in alleviating the problems of high energy consumption,tight power supply and deteriorating environment in today s society,so it has attracted more and more attention.The refrigeration working pair is the key to the development of absorption refrigeration technology.Finding a refrigerant pair with friendly environment,high efficiency and wide working range is the development direction.The study of boiling heat transfer performance is the basic research in the refrigeration and chemical industry,so it is necessary to summarize the boiling heat transfer performance and boiling heat transfer correlations of refrigeration working pairs in the generator.In this paper,the boiling heat transfer performance of common refrigeration working pairs and the boiling heat transfer characteristics of other refrigerant pairs are described.Review the research status of these two aspects,discuss the feasibility of practical application and propose some suggestions for the further development direction.

关 键 词：吸收式制冷机 发生器 制冷工质对 沸腾换热 低品位能源 

分 类 号：TB6[一般工业技术—制冷工程]