Numerical simulation and experimental investigation of natural convection heat transfer of molten salt around fine wire  

作　　者：LU YuanWei LI XiaoLi LI Qiang WU YuTing MA ChongFang 

机构地区：[1]Key Laboratory of Enhanced Heat Transfer and Energy Conservation, College of Environmental and Energy Engineering,Beijing University of Technology

出　　处：《Science China(Technological Sciences)》2013年第7期1651-1656,共6页中国科学（技术科学英文版）

基　　金：supported by the Beijing Natural Science Foundation(Grant No. 3132012);the National Basic Research Program of China("973" Program) (Grant No. 2010CB227103);Beijing Municipal Science and Technology Commission of Science and Technology Plan(Grant No. D121100001012002)

摘　　要：In order to get the natural convection heat transfer mechanism of molten salt, the experimental investigation of natural convective heat transfer of LiNO3was studied after it was simulated by numerical calculation. Experiment was carried out on the nat-ural convection heat transfer of air and water around the fine wire using the method of Joule heating. The results showed that the natural convection heat transfer of air and water around the fine wire agreed well with Fand's correlation. Based on the aforementioned experiment, the natural convection heat transfer of molten salt LiNO3was studied by experiment and the same results were got. Therefore, the natural convection heat transfer of molten salt can be calculated by Fand's correlation, which takes into consideration the effect of viscosity dissipation.In order to get the natural convection heat transfer mechanism of molten salt, the experimental investigation of natural convective heat transfer of LiNO3was studied after it was simulated by numerical calculation. Experiment was carried out on the nat-ural convection heat transfer of air and water around the fine wire using the method of Joule heating. The results showed that the natural convection heat transfer of air and water around the fine wire agreed well with Fand’s correlation. Based on the aforementioned experiment, the natural convection heat transfer of molten salt LiNO3was studied by experiment and the same results were got. Therefore, the natural convection heat transfer of molten salt can be calculated by Fand’s correlation, which takes into consideration the effect of viscosity dissipation.

关 键 词：Joule HEATING natural CONVECTION numerical simulation MOLTEN SALT 

分 类 号：TK124[动力工程及工程热物理—工程热物理]