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2023 Journal Impact Factor - 0.7
2023 CiteScore - 1.4
ISSN 2083-6473
ISSN 2083-6481 (electronic version)
Editor-in-Chief
Associate Editor
Prof. Tomasz Neumann
Published by
TransNav, Faculty of Navigation
Gdynia Maritime University
3, John Paul II Avenue
81-345 Gdynia, POLAND
e-mail transnav@umg.edu.pl
The Impact of Sloshing Liquids on Ship Stability for Various Dimensions of Partly Filled Tanks
P. Krata 1
1 Gdynia Maritime University, Gdynia, Poland
ABSTRACT: Liquid sloshing phenomenon taking place in partly filled ships' tanks directly affects the stability of a vessel. However, only static calculations are carried out onboard ships nowadays and static transfer of liquid weight is taken into account in the course of routine stability calculation. The paper is focused on a dynamic heeling moment due to liquid sloshing in tanks onboard ships. A number of numerical simulations of liquid sloshing taking place in a moving tank is carried out. The wide range of ship's tanks is taken into account. The conducted CFD simulations are experimentally verified. Finally, the method of an assessment of the liquid sloshing impact on ship transverse stability is worked out. The key point of the method is a dynamic coefficient describing relation of the researched dynamic heeling moment and the quasi-static one in terms of dynamic stability of a vessel which is related to the weather criterion of ship stability assessment.
KEYWORDS: Ship Stability, Hydrodynamics, Computational Fluid Dynamics (CFD), Partly Filled Tanks, Sloshing Liquids, Dynamic Heeling Moment, Liquid Sloshing, Dynamic Stability
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Citation note:
Krata P.: The Impact of Sloshing Liquids on Ship Stability for Various Dimensions of Partly Filled Tanks. TransNav, the International Journal on Marine Navigation and Safety of Sea Transportation, Vol. 7, No. 4, doi:10.12716/1001.07.04.02, pp. 481-489, 2013
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