Investigation of fluid-structure Interaction of fuel element in high speed and high temperature air cooled reactor

被引：1
|
作者：
Lu, Ruibo [1 ,2 ]
Qiu, Zhifang [3 ]
He, Yuhao [1 ,2 ]
Yang, Wen [3 ]
Li, Zhongchun [3 ]
Zhao, Fulong [1 ,2 ]
Tan, Sichao [1 ,2 ]
机构：
[1] Harbin Engn Univ, Coll Nucl Sci & Technol, Harbin 150001, Heilongjiang, Peoples R China
[2] Harbin Engn Univ, Heilongjiang Prov Key Lab Nucl Power Syst & Equip, Harbin 150001, Peoples R China
[3] Nucl Power Inst China, Chengdu 610000, Sichuan, Peoples R China
来源：
ANNALS OF NUCLEAR ENERGY | 2021年 / 160卷 / 160期
基金：
国家重点研发计划;
关键词：
Fluid-structure interaction; Dynamic characteristics; Air-cooled reactor; High-speed and high-temperature; FLOW-INDUCED VIBRATION; AXIAL-FLOW; CIRCULAR-CYLINDER; TURBULENT; CLUSTERS; DYNAMICS;
D O I：
10.1016/j.anucene.2021.108400
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 high-speed and high-temperature air is the coolant of the open-cycle reactor. The state of air has effect on the dynamic characteristics of the fuel element which may do harm to the reactor. Therefore, the Fluid-Structure Interaction of air and fuel element is studied. Firstly, the methods are validated. Subsequently, the physical properties and boundaries are determined. In addition, the effects of heat flux, inlet Mach number, temperature and pressure on the FSI characteristics of the fuel element are investigated. The results reveal that the heat flux, Mach number and temperature have effects on the dynamic characteristics indirectly. However, the effects on the deformation, force and stress can be ignored. The pressure has direct impact on the fluid force. There is no vibration with the fuel element when the flow is steady. The research can lay basis for the selection of the air flow state in the open-cycle reactor. (C) 2021 Elsevier Ltd. All rights reserved.
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页数：13
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