Simulations of vertical sloshing in a partially filled rectangular tank subjected to time-periodic excitation

Simulations of vertical sloshing in a partially filled rectangular tank subjected to time-periodic excitation

Daniele Rossi

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Abstract. An in-house Navier-Stokes multiphase VOF (Volume-Of-Fluid) solver is used to study sloshing phenomena in a partially filled rectangular tank subjected to vertical sinusoidal excitation. The flow dynamics is found to be significantly affected by vertical acceleration and forcing frequency. Specifically, when the acceleration is strong and the excitation frequency is low, the flow exhibits a more chaotic and three-dimensional nature. Consequently, certain properties such as the energy dissipation and the mixing efficiency of the system are poorly predicted by two-dimensional simulations in that range of parameters, making more expensive three-dimensional simulations necessary. The time history of the sloshing force and instantaneous flow visualizations are used to analyze the effects of liquid impacting on the walls on energy exchanges between the fluid and the tank. Finally, the evolution of mixing efficiency and its influence on the energy losses are discussed.

Sloshing, Multiphase Flows, VOF Solver, Energy Dissipation

Published online 9/1/2023, 8 pages
Copyright © 2023 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA

Citation: Daniele Rossi, Simulations of vertical sloshing in a partially filled rectangular tank subjected to time-periodic excitation, Materials Research Proceedings, Vol. 33, pp 269-276, 2023


The article was published as article 39 of the book Aerospace Science and Engineering

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

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