プロペラにより誘起されるSurface Forceの計算法について

概要

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This report proposes an approximate calculus for the evaluation of the propeller-induced pressure fluctuation on practical hull forms. The basic integral equation of the present method is deduced from hydrodynamic assumptions of the pressure field about a hull and a propeller. The potential flow method that has been developed in the past to evaluate the surface force is riot well suited for practical hull forms, because the evaluation of the propeller-induced velocity is not easy. In contrast, the present method, as applied to the surface force, requires only the evaluation of the propeller-induced pressure, which can be done more simply than that of the propeller-induced velocity, to make it applicable more conveniently for practical hull forms than the potential flow method. This is demonstrated for a practical hull-propeller combination by means of some numerical results evaluated by the present method: which are in good accord with experimental results.
社団法人日本船舶海洋工学会の論文