Numerical study of gas-injection induced pool sloshing behavior using MPS method

被引：0

作者：

Lv J. ^{[1
]}

Liu X. ^{[1
]}

Wang K. ^{[1
]}

Cheng S. ^{[1
]}

Tong L. ^{[2
]}

机构：

[1] Sino-French Institute of Nuclear Engineering & Technology, Sun Yat-Sen University, 519-082, Guangdong Province, Zhuhai City

[2] School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai

来源：

International Journal of Advanced Nuclear Reactor Design and Technology | 2022年 / 4卷 / 03期

关键词：

CDA; MPS; SFR; Sloshing;

D O I：

10.1016/j.jandt.2022.10.001

中图分类号：

学科分类号：

摘要：

When a Core Disruptive Accident (CDA) occurs in a Sodium-cooled Fast Reactor (SFR), as the accident progresses, its core may form a pool of molten fuel. When the molten fuel pool expands, a certain amount of coolant may be entrained in it. Because of the Fuel-Coolant Interaction (FCI), the molten fuel pool will have centralized sloshing behavior, making the fuel distribution more dense, leading to the risk of re-criticality, therefore, the study of centralized sloshing behavior is of great significance for evaluating the impact of the CDA. Under various experimental conditions, the sloshing experiment of gas injection can effectively simulate the mechanism and characteristics of centralized sloshing behavior. In this study, numerical simulation of gas-injection induced sloshing behavior is performed based on the Moving Particle Semi-implicit (MPS) method. Simulation results are compared with the experimental results. The results show that the deformation of bubble shape and liquid level in the sloshing characteristics are in good agreement with the experimental results. Therefore, the numerical simulation method established in this study can be used to study the pool sloshing characteristics induced by gas injection. © 2022

引用

页码：147 / 155

页数：8

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