A multi-scale CFD-system coupled code for transient analysis of the passive residual heat removal system of MHTGR

被引：1
作者：
Zhao, Hangbin [1 ,2 ]
Zheng, Yanhua [2 ]
Ma, Tao [2 ]
Dong, Yujie [2 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Nucl Sci & Engn, Shanghai 200240, Peoples R China
[2] Tsinghua Univ, Inst Nucl & New Energy Technol, Beijing 100084, Peoples R China
来源：
ANNALS OF NUCLEAR ENERGY | 2020年 / 141卷 / 141期
基金：
中国博士后科学基金;
关键词：
Coupled code; PRHRS; HTR-10; Radiation heat transfer; Reactor cavity; SIMULATION; REACTOR; METHODOLOGY; FLUENT;
D O I：
10.1016/j.anucene.2020.107304
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
The passive residual heat removal system (PRHRS) is adopted by the HTR-10 and HTR-PM to remove the decay heat in the reactor core, so that the safety of the reactor can be guaranteed under accident conditions. A multi-scale CFD-system coupled code used to calculate the transient characteristics of the PRHRS of HTR-10 was developed in this study. With this coupled code, the transient characteristics of the PRHRS during the startup process were calculated. The results show that the computational results are in good agreement with the experimental results, which validates the accuracy of the coupled code. The ability of the coupled code to simultaneously calculate the local heat transfer process in the reactor cavity and the global heat removal characteristic of the PRHRS is also shown. Moreover, radiation heat transfer plays a very important role in the heat removal process of the PRHRS. (C) 2020 Elsevier Ltd. All rights reserved.
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页数：10
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