R22及其替代工质管内相变换热实验系统的比较研究  

Comparison Study on Experimental Setup for In-tube Two-phase Heat Transfer of R22 and its Substitute

作　　者：南晓红[1] C.A.Infante Ferreira 刘咸定[1] 

机构地区：[1]西安建筑科技大学,陕西西安710055 [2]Technology University of Delft,荷兰

出　　处：《流体机械》2005年第5期63-66,53,共5页Fluid Machinery

摘　　要：从系统组成、实验工况、管型及测量精度等方面,对R22及其替代工质的各种管内相变实验系统进行了比较研究,提出并建立了适用自然替代工质R290和混合替代工质R404A的强化管内相变换热实验研究系统。Concerning experimental setup, operating condition, inner-fin shape and measurement accuracy, the comparison study was done on experimental system for in-tube two-phase heat transfer of R22 and its substitutes. The suitable experimental setup was built up for natural substitute R290 and mixture substitute R404A.

关 键 词：管内相变换热 实验系统 R290 R404A 

分 类 号：TB6[一般工业技术—制冷工程]