SLOSHING IN A T-BAFFLED RECTANGULAR STORAGE TANK NUMERICAL STUDY FOR 2–D PROBLEMS

Authors : Hakan AKYILDIZ

Pages : 13-34

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Publication Date : 2015-03-01

Article Type : Research Paper

Abstract :The liquid sloshing in a moving partially filled rectangular tank with vertical and T-shape baffles is investigated. A numerical algorithm based on the volume of fluid technique VOF is used to study the non-linear behaviour of liquid sloshing. The numerical model solves the complete Navier-Stokes equations in primitive variables by using of finite difference approximations with the moving coordinate system. The ratio of the baffle height to the initial liquid depth has been changed in the range of 0 ≤ hB / h ≤ 1.0. The effect of the T-shape baffle and vertical baffle height to reach the roof of the tank have been investigated. It is observed that a vertical baffle for hB / h < 0.8 would be more effective except the maximum dynamic pressure at T2 and T-shape baffle having a height hB / h ≥ 0.8 would be very effective in reducing the dynamic pressure. On the other hand, the maximum overturning moment for the T-baffled case would be much smaller. In order to assess the accuracy of the method used, some results with vertical baffle are compared with the available experimental results. The time variations of pressures have been also presented
Keywords : Sloshing, Two dimensional free surface flow, Volume of fluid technique, Finite difference method, T Baffle

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