Response analysis of liquid sloshing in a tank with rigid baffles

被引：0

作者：

Ping, Kai ^{[1
]}

Wang, Qiongyao ^{[1
]}

Qi, Wenchao ^{[1
]}

Chen, Xiner ^{[1
]}

机构：

[1] Faculty of Intelligent Manufacturing, Wuyi University, Guangdong, Jiangmen

来源：

Baozha Yu Chongji/Explosion and Shock Waves | 2024年 / 44卷 / 06期

关键词：

baffle; liquid sloshing; longitudinal force; pitch moment; tank truck;

D O I：

10.11883/bzycj-2023-0250

中图分类号：

学科分类号：

摘要：

The liquid in partially filled tanks is prone to slosh under external excitation, and the additional forces and moments generated by liquid sloshing can have adverse effects on tank trucks. In order to avoid significant sloshing of the liquid in the tank when the tank truck brakes, several types of baffles were proposed, and the influence of baffles and their geometric parameters on the liquid sloshing inside the tank truck was studied. Firstly, a numerical model of liquid sloshing based on the finite volume method was established. Secondly, a series of liquid sloshing experiments were conducted. The effectiveness of the numerical model was verified by comparing the free surface waveforms obtained from the experiments at different times with those obtained from numerical simulations under the same conditions. Finally, the validated numerical model was used to analyze the influence of the geometric parameters of the baffle on the liquid sloshing response parameters under different liquid-filling conditions. The research results indicate that the perforated baffle can not only effectively suppress the peak of the sloshing response parameters in the tank but also significantly shorten the time for liquid sloshing to reach stability. The position and number of baffle orifices have little effect on the peak longitudinal force caused by liquid sloshing during vehicle braking, while the peak pitch moment is more significantly affected by the geometric parameters of the baffle. By studying liquid sloshing in the tank at different filling heights, it is found that the decrease rate of the peak value of the sloshing response parameter will first decrease and then increase with the increase of the filling height. When the peak value of pitch moment reaches its maximum value, the baffle has the worst suppression effect on liquid sloshing in a partially filled tank. © 2024 Explosion and Shock Waves. All rights reserved.

引用

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