Turbulence Measurements in the Ships-Stern Boundary Layer of a Tanker Model

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Turbulence measurements in the boundary layer of a double model are made by a hot film probe. Turbulence intensity, turbulent kinetic energy, Reynolds shear stress, turbulent energy production and kinematic eddy viscosity obtained from three turbulence components are investigated. Measuring positions are selected as followings, which are along a potential flow streamline, across a separation line, on the separation line, just past a bilge and beneath the waterline. It is shown that the turbulence quantities at each position have peculiar distributions throughout the layer since the quantities are influenced by the hull surface curvature, pressure gradient, separation and longitudinal vortex.
社団法人日本船舶海洋工学会の論文