대한조선학회논문집 (Journal of the Society of Naval Architects of Korea)

  • 제61권4호
  • /
  • Pages.236-246
  • /
  • 2024
  • /
  • 1225-1143(pISSN)
  • /
  • 2287-7355(eISSN)
대한조선학회 (The Society of Naval Architects of Korea)
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전산유체역학 해석을 통한 프로펠러의 상하동요 운동 중 유체력 특성 연구

Computational Fluid Dynamics Analysis for Investigation of Hydrodynamic Force and Moment of a Marine Propeller in Heave Motion

  • 김민아 (충남대학교 자율운항시스템공학과) ;
  • 김동환 (충남대학교 미래모빌리티시스템연구소) ;
  • 서정화 (충남대학교 자율운항시스템공학과) ;
  • 김명수 (충남대학교 선박해양공학과)
  • Mina Kim (Department of Autonomous Vehicle System Engineering, Chungnam National University) ;
  • Dong-Hwan Kim (Research Institute of Future Mobility System, Chungnam National University) ;
  • Jeonghwa Seo (Department of Autonomous Vehicle System Engineering, Chungnam National University) ;
  • Myoung-Soo Kim (Department of Naval Architecture and Ocean Engineering, Chungnam National University)
  • 투고 : 2024.03.03
  • 심사 : 2024.06.13
  • 발행 : 2024.08.20
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초록

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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과제정보

2024년도 정부(산업통상자원부)의 재원으로 한국산업기술진흥원의 지원을 받아 수행된 연구임(P0023684, 2024년 산업혁신인재성장지원사업).

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