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NUMERICAL ANALYSIS OF THE FLOW AROUND THE HULL AND THE PROPELLER OF A SHIP ADVANCING IN SHALLOW WATER
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 Title & Authors
NUMERICAL ANALYSIS OF THE FLOW AROUND THE HULL AND THE PROPELLER OF A SHIP ADVANCING IN SHALLOW WATER
Park, I.R.;
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 Abstract
This paper provides numerical results of the simulation for the flow around the hull and the propeller of KCS model ship advancing in shallow water conditions. A finite volume method is used to solve the unsteady Reynolds averaged Navier-Stokes(RANS) equations, where the wave-making problem is solved by using a volume-of-fluid(VOF) method. The wave formed near the hull surface in shallow water conditions shows a deep trough dominant pattern that causes the loss of buoyancy followed by hull squat. The flow past the hull increases as the depth of water decreases. However, the axial flow velocity around the stern shows a reduction in magnitude by the effect of shallow water accompanied by the hull-propeller interaction. As a results, the thrust and torque coefficient increase about 8.3% and 6.2%, respectively for a depth of h/T
 Keywords
Shallow Water;Computational Fluid Dynamics, CFD;Hull-Propeller Interaction;Free Surface Flow;Self-propulsion;
 Language
Korean
 Cited by
1.
NUMERICAL STUDY ON DPS THRUSTER-HULL INTERACTION WITH DIFFERENT AXIS TILTING ANGLE, Journal of computational fluids engineering, 2016, 21, 1, 72  crossref(new windwow)
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