Journal of Ocean Engineering and Technology (한국해양공학회지)

Korean Society of Ocean Engineers (한국해양공학회)
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Correlation Study on Course Keeping Stability of Barges according to Variations in Dimensions and Hull Coefficient

바지선 제원 및 선형계수에 따른 침로 안정성 연관연구

  • Chun, Jang-Ho (Dept. of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Kim, Moon-Chan (Dept. of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Chun, Ho-Hwan (Dept. of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Do, In-Rok (Dept. of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Koo, Ja-Kyun (KOMAC Design Tech Co., Ltd.)
  • 천장호 (부산대학교 조선해양공학과) ;
  • 김문찬 (부산대학교 조선해양공학과) ;
  • 전호환 (부산대학교 조선해양공학과) ;
  • 도인록 (부산대학교 조선해양공학과) ;
  • 구자균 (코맥디자인테크)
  • Received : 2011.05.27
  • Accepted : 2011.10.17
  • Published : 2011.10.31
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Abstract

Recently, a ship-shaped barge has been developed to improve the resistance performance, as well as course-keeping capability. However, the stern of the barge is still similar to a box shape, and the vortex generated at the side of the barge creates drag and yaw instability. In order to solve this problem, stern skegs are normally used. The present paper deals with the correlation between the size of the stern skegs and the barge dimensions and hull coefficient. A stern skeg was designed to prevent yaw instability and minimize any additional resistance. The resistance test and course keeping test were performed in the towing tank at Pusan National University. To determine the correlation parameters between the designed stern skeg size and barge dimensions, a parametric study was also performed. Based on the experimental data from five barges, the optimum skeg dimensions were successfully derived. It is expected that the validation of the present study will be carried out by further experiments and computational comparisons in the near future.

Keywords

References

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