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首页> 外文期刊>Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics >Convective heat transfer in the laminar-turbulent transition region with molten salt in a circular tube
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Convective heat transfer in the laminar-turbulent transition region with molten salt in a circular tube

机译：层流-湍流过渡区中的对流传热与圆管中的熔融盐

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摘要

In order to understand the heat transfer characteristics of molten salt and testify the validity of the well-known empirical convective heat transfer correlations, experimental study on transition convective heat transfer with molten salt in a circular tube was conducted. Molten salt circulations were realized and operated in a specially designed system over 1000 h. The average forced convective heat transfer coefficients of molten salt were determined by least-squares method based on the measured data of flow rates and temperatures. Finally, a heat transfer correlation of transition flow with molten salt in a circular tube was obtained and good agreement was observed between the experimental data of molten salt and the well-known correlations presented by Hausen and Gnielinski, respectively.
机译：为了了解熔融盐的传热特性并验证众所周知的经验对流传热关系的有效性，进行了圆管中熔融盐与过渡对流传热的实验研究。在专门设计的系统中，经过1000小时实现了熔融盐循环并进行了操作。熔融盐的平均强制对流传热系数是根据流量和温度的实测数据，通过最小二乘法确定的。最后，获得了圆管内过渡流与熔融盐的传热相关性，并观察到熔融盐的实验数据与Hausen和Gnielinski分别提出的众所周知的相关性之间具有良好的一致性。

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