Investigating Effects of Vertical Baffles on Damping of Shallow Water Sloshing using a 3D Model
Subject Areas :
Mechanical Engineering
Rahim Shamsoddini
1
,
Bahador Abolpour
2
1 - Department of Mechanical Engineering,
Sirjan University of Technology, Sirjan, Iran
2 - Department of Chemical Engineering,
Sirjan University of Technology, Sirjan, Iran
Received: 2022-10-02
Accepted : 2023-02-21
Published : 2023-09-01
Keywords:
Free Surface,
Shallow Water Sloshing,
SPH,
Vertical Baffle,
Abstract :
Liquid sloshing is a common phenomenon in the transporting of liquid tanks. A safe liquid transporting needs to control the entered fluctuating forces to the tank walls, before leading these forces to large forces and momentums. Using predesigned baffles is a simple method for solving this problem. Smoothed Particle Hydrodynamics is a Lagrangian method that has been widely used to model such phenomena. In the present study, a three-dimensional incompressible SPH model has been developed for simulating the liquid sloshing phenomenon. This model has been improved using the kernel gradient correction tensors, particle shifting algorithms, turbulence model, and free surface particle detectors. The results of the three-dimensional numerical model are compared with an experimental model, showing a very good accuracy of the three-dimensional numerical method used. This study aims to investigate vertical baffle effects on the control and damping of liquid sloshing. The results of the present investigation show that in this particular case, by using baffles, it is possible to reduce more than 50% of the maximum value of pressure fluctuations in the slashing phenomenon.
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