为了验证现有的经典对流换热关联式是否仍然适用于高温熔融盐管内强迫对流的换热规律,搭建了熔融盐传热蓄热循环实验台进行实验研究.实验台系统已经在实验室安全成功运行了上千小时,实验中,设计了熔融盐-导热油换热器,通过测量熔融盐进出口温降和导热油进出口温升得到了换热器的总传热效率,然后利用最小二乘法对管内熔融盐对流换热系数进行分离,拟合出了熔融盐管内过渡流和充分发展紊流的实验关联式.通过和经典的传热关联式进行比较发现,熔融盐管内强迫对流换热特性仍然适用于Sieder-Tate方程,Petukhov方程,Hausen方程以及Gnielinski方程. In order to verify whether the existing classical convective heat transfer correlation still applies to forced convection heat transfer in high temperature molten salt pipe, a molten salt heat storage and thermal cycling experimental bench was set up for experimental study.The bench system has been successfully used in the laboratory Run for thousands of hours, the experiment, the design of the molten salt - HTF heat exchanger, by measuring the molten salt import and export temperature drop and heat transfer oil inlet and outlet temperature of the heat exchanger to obtain the total heat transfer efficiency, and then use the minimum two By multiplying the convective heat transfer coefficient of the molten salt in the tube, the experimental correlation of the transitional flow in the molten salt tube and the full development of the turbulent flow was fitted. Comparing with the classical heat transfer correlation, it was found that forced convection heat transfer in the molten salt tube The features still apply to the Sieder-Tate equation, the Petukhov equation, the Hausen equation, and the Gnielinski equation.