373 MW熔盐堆非能动余热排出系统换热元件的优化设计

doi:10.11889/j.0253-3219.2019.hjs.42.070602

Nuclear Techniques ›› 2019, Vol. 42 ›› Issue (7): 0-070602-10.doi: 10.11889/j.0253-3219.2019.hjs.42.070602

• NUCLEAR ENERGY SCIENCE AND ENGINEERING •

Optimal design of the bayonet cooling tube in the passive decay heat removal system for the 373 MW molten salt reactor

Wanjue HUANG^1,^2,³,Bo XU¹,Chong ZHOU¹,Yang ZOU¹(),Hongjie XU¹

1. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
2. University of Chinese Academy of Sciences, Beijing 100049, China
3. ShanghaiTech University, Shanghai 201210, China

Received:2019-04-10 Revised:2019-04-25 Online:2019-07-10 Published:2019-07-16
Contact: Yang ZOU E-mail:zouyang@sinap.ac.cn
About author:HUANG Wanjue, female, born in 1992, graduated from Southeast University in 2015, master student, focusing on nuclear reactor thermal-hydraulic
Supported by:
Supported by Shanghai Youth Science and Technology Talent Sailing Project (No.17YF1423900), Strategic Priority Research Program of Chinese Academy of Sciences (No.XDA02010000), Thorium Uranium Fuel Cycle Characteristics and Key Problem Research Project(No.QYZDY-SSW-JSC016)

设计参数Parameters	数值Value
燃料盐体积Volume of the fuel-salt / m³	20
设计最高温度Design temperature / K	977.4
外层套管外径Diameter of the outer tube / mm	38.0
中间套管外径Diameter of the middle tube / mm	25.4
额定热功率Cooling rate (design) / MW	3.73
额定压力Design pressure / kPa	448.2
外管壁厚Wall thickness of the outer tube / mm	2.0
中管壁厚Wall thickness of the middle tube / mm	1.5

方案编号Number	网格数量Mesh number
1	77 400
2	98 200
3	371 500
4	785 000
5	1 469 900

参数Parameter	数值Value
温度Temperature / K	977.4
单根换热元件对应熔盐体积Salt volume per tube / m³	0.014 0
三角形排布间距Distance of the triangle spacing / mm	132.0
正方形排布间距Distance of the square spacing / mm	123.0

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Optimal design of the bayonet cooling tube in the passive decay heat removal system for the 373 MW molten salt reactor

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