熔盐圆管内湍流对流换热实验研究

doi:10.11889/j.0253-3219.2019.hjs.42.040601

Nuclear Science and Techniques ›› 2019, Vol. 42 ›› Issue (4): 40601-040601.doi: 10.11889/j.0253-3219.2019.hjs.42.040601

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Experimental study on turbulent convective heat transfer of molten salts in circular tubes

Yushuang CHEN^1,²,Jian TIAN¹(),Haihua ZHU¹,Yuan FU¹,Naxiu WANG¹()

1. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
2. University of Chinese Academy of Sciences, Beijing 100049, China

Received:2019-01-14 Revised:2019-03-04 Online:2019-04-10 Published:2019-04-18
Contact: Jian TIAN,Naxiu WANG E-mail:tianjian@sinap.ac.cn WANG Naxiu;tianjian@sinap.ac.cn;tianjian@sinap.ac.cn WANG Naxiu;wangnaxiu@sinap.ac.cn
About author:<named-content content-type="corresp-name">CHEN Yushuang</named-content>, female, born in 1984, graduated from University of Shanghai for Science and Technology in 2010, doctoral student, focusing on the thermal hydraulics of nuclear reactor|<named-content content-type="corresp-name">CHEN Yushuang</named-content>, female, born in 1984, graduated from University of Shanghai for Science and Technology in 2010, doctoral student, focusing on the thermal hydraulics of nuclear reactor|TIAN Jian, E-mail: <email>tianjian@sinap.ac.cn WANG Naxiu</email>, E-mail: <email>wangnaxiu@sinap.ac.cn</email>|TIAN Jian, E-mail: <email>tianjian@sinap.ac.cn WANG Naxiu</email>, E-mail: <email>wangnaxiu@sinap.ac.cn</email>
Supported by:
Supported by Strategic Priority Research Program of Chinese Academy of Sciences(No.XDA02010000)

实验测量参数Parameters	参数范围Ranges	误差分析Uncertainties
熔盐流速Velocity of molten salt / m?s^-1	0.89~5.08	±2.0%
熔盐入口温度Inlet temperature of molten salt / °C	197.8~302.5	±0.5
熔盐出口温度Outlet temperature of molten salt / °C	196.0~294.2	±0.5
油入口温度Inlet temperature of oil / °C	166.6~179.0	±0.5
油出口温度Outlet temperature of oil / °C	168.1~180.5	±0.5
总传热系数Heat transfer coefficient / W?m^-1?K^-1	1 477.08~2 704.86	2.93%
努赛尔数Nusselt number	88~68	±7.81%

熔盐种类Molten salt type	雷诺数范围Reynolds number	普朗特数范围Prandtl number
Hitec ^[11,12]	15 349<Re<27 578	9.1<Pr<11.3
LiF-BeF₂-ThF₄-UF₄ ^[11,12]	10 171<Re<28 499	4.9<Pr<9.2
LiF-BeF₂-ThF₄-UF₄ ^[24]	11 560<Re<14 210	6.6<Pr<7.3
NaBF₄-NaF ^[24]	10 354<Re<44 965	4.9<Pr<5.6
FLiNaK^[13]	13 956<Re<50 000	4.5<Pr<7.9
Lithium Nitrate ^[17,18]	18 182<Re<46 130	12.7<Pr<14.7

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Experimental study on turbulent convective heat transfer of molten salts in circular tubes

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