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Mathematical modeling of icing process of the outer surface of the hull for a marine vessel

Journal of Hydrodynamics 2023年第2期35卷 232-239页

作者： Konstantin Koshelev Andrey Osipov Sergei Strijhak nikita tryaskin ISP RAS MoscowRussia Saint-Petersburg State Marine Technical University Saint-PetersburgRussia

The task of studying the process of icing is important due to the operation of large ships and fishing vessels in the seas of the Arctic Ocean.In this paper the ice accretion simulation for fishing vessel has been done at different Reynolds and Froude numbers.A hybrid approach was used for modeling:first,the approach based on Reynolds-averaged Navier-Stokes(RANS)model and volume of fluid(VOF)method with interDyMFoam solver was used for ship modelling in waves,second,RANS model and Euler-Lagrangian approach with iceFoam solver for ice accretion process modelling for ship with hull was applied.The k-ωSST turbulence model with wall functions was used for the RANS model.With the help of the interDyMFoam solver,the position of water jet and liquid droplets in space were determined during the movement of the ship and taking into account the waves in the sea.With the help of iceFoam solver,the process of ice accretion on the surface of the vessel was modeled.The calculations were run for different number Reynolds,Froude.The analysis of mesh convergency was done.The distribution of ice thickness and water film on the ship’s surface is obtained.The simulations were performed on a high-performance cluster in parallel mode.

关键词： Ship sea safety climate movement modelling turbulence model water spray droplets velocity ice film mass

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