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

The Society of Naval Architects of Korea (대한조선학회)
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Shallow Water Effect on Resistance Performance of Large Container Ship Based on CFD Analysis

천수 효과가 대형 컨테이너선의 저항 성능에 미치는 영향에 관한 전산유체역학 해석 연구

  • Sun-kyu, Lee (Ship & Ocean R&D Institute, Daewoo Shipbuilding and Marine Engineering Co., Ltd.) ;
  • Youngjun, You (School of Naval Architecture and Ocean Engineering, University of Ulsan) ;
  • Jinhae, Kim (Ship & Ocean R&D Institute, Daewoo Shipbuilding and Marine Engineering Co., Ltd.)
  • 이선규 ((주)대우조선해양 중앙연구원 선박해양연구소) ;
  • 유영준 (울산대학교 조선해양공학부) ;
  • 김진해 ((주)대우조선해양 중앙연구원 선박해양연구소)
  • Received : 2022.09.05
  • Accepted : 2022.10.11
  • Published : 2022.12.20
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Abstract

It is easy for a ship passing through confined waters to be exposed in dangers of collisions and grounding due to different hydrodynamic responses. Since marine accidents can cause significant impacts on environments, global economy, and human lives, it is necessary to study the effect of shallow water on hydrodynamic performance of a ship. In this paper, the effect of water depth on resistance performance was investigated using CFD analysis as an initial study for improving navigational safety of a large container ship under confined waters. After a CFD set-up for deep water condition was validated and verified by comparing CFD analysis with model test results, CFD calculations according to ship speed and water depth were conducted. The features were investigated in terms of tendency and physical knowledge related to resistance performance. The increase of resistance due to shallow water effect was reviewed with empirical formula suggested from SWABE JIP. Speed loss due to shallow water effect was additionally reviewed from estimated delivered power according to ship speed and water depth.

Keywords

Acknowledgement

이 논문은 2022년도 울산대학교 연구비에 의하여 연구되었습니다 (과제명: 천수 및 제한수로 통과 선박의 운항안전성 평가).

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