共沸混合工质HFC23/FC116沸腾传热实验研究  

Pool boiling heat transfer measurements of the azeotropic mixtures HFC23/FC116

作　　者：张立强[1] 公茂琼[2] 吴剑峰[2] 徐烈[1] 

机构地区：[1]上海交通大学制冷与低温工程研究所,上海200030 [2]中国科学院理化技术研究所,北京100080

出　　处：《低温与超导》2006年第5期320-322,345,共4页Cryogenics and Superconductivity

基　　金：国家自然科学基金(50576102)

摘　　要：实验测量了二元共沸混合工质HFC23/FC116的池核沸腾传热特性。实验测量的加热面为紫铜表面,热流密度范围为50kW/m^2～300kw/m^2。同时实验结果与复叠温区常用制冷剂HFC13和R503的传热性能进行了比较。最后通过对实验数据进行多元回归分析,得到了共沸混合工质传热系数计算关联式,此关联式的计算值与实验值的偏差在±10%以内。The heat transfer data of nucleate pool boiling on a smooth flat surface were measured for azeotropic mixtures of HFC23/FCl16. The experiment was carried out at different heat fluxes from 50kW/m^2 to 300kW/m^2. Experimental results are compared with the measured data of CFC13 and R503. Finally, by regressively analyzing experimental data, the experimental correlation formula of heat transfer coefficient was obtained. The predicated results with the formula was finely accord with the experimental data, and the error was under ± 10%.

关 键 词：混合工质 共沸 沸腾传热 

分 类 号：TB64[一般工业技术—制冷工程]