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논문 기본 정보

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(충남대학교) (충남대학교) (충남대학교) (충남대학교)
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대한조선학회 대한조선학회 논문집 대한조선학회논문집 제61권 제4호(통권 제256호)
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    초록·키워드

    The present study aims to identify the effects of the oblique inflow and vertical acceleration on a marine propeller"s hydrodynamic force and moment. Computational Fluid Dynamics analysis is performed for a rotating propeller in open water conditions with heave motion after performing validation against experiment in straightforward conditions. The oblique inflow results in a linear increase of the off-axial component of the hydrodynamic force and moment rather than the axial one. Pitch and yaw moments due to the hull motion are dominated by the heave force and the moment arm of the propeller location. Additionally, the vertical acceleration leads to a linear augmentation of off-axial hydrodynamic force and moment, implying the added mass and moment of inertia. Notably, it is found that the off-axial hydrodynamic force and moment are dominated by the oblique inflow velocity rather than the acceleration.

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      UCI(KEPA) : I410-151-24-02-090262501