Journal of Ocean Engineering and Technology (한국해양공학회지)

Korean Society of Ocean Engineers (한국해양공학회)
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Numerical Simulation of Towing Stability of Barges in Calm Water

정수 중 바지선의 예인안정성에 관한 수치 시뮬레이션

  • Nam, Bo Woo (Maritime & Ocean Engineering Research Institute (MOERI), KIOST) ;
  • Park, Ji Young (Maritime & Ocean Engineering Research Institute (MOERI), KIOST) ;
  • Hong, Sa Young (Maritime & Ocean Engineering Research Institute (MOERI), KIOST) ;
  • Sung, Hong Gun (Maritime & Ocean Engineering Research Institute (MOERI), KIOST) ;
  • Kim, Jong-Wook (Hyundai Heavy Industry Co. Ltd.)
  • 남보우 (한국해양과학기술원 선박해양플랜트연구소) ;
  • 박지용 (한국해양과학기술원 선박해양플랜트연구소) ;
  • 홍사영 (한국해양과학기술원 선박해양플랜트연구소) ;
  • 성홍근 (한국해양과학기술원 선박해양플랜트연구소) ;
  • 김종욱 (현대중공업(주))
  • Received : 2012.08.13
  • Accepted : 2013.02.14
  • Published : 2013.02.28
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Abstract

This paper presents the results of a numerical study on the towing stability of barges. Towing simulations were carried out by using two different numerical models (MMG model and cross-flow model). Stability criteria are also suggested based on the analysis of the linearized governing equations for towed vessel motion. In order to validate the present numerical models, the experimental data of Yasukawa et al. (2006) were used. Simulations were conducted for single and double barges under constant towing speed and direction conditions. The time histories of the heading angle, yaw rate, and towline tension were compared between the numerical results and experiments. The effects of the towline length on the slewing frequency and maximum heading angle were also observed. In addition, a series of numerical simulations using variable hydrodynamic coefficients were performed to investigate the effects of the hydrodynamic forces on the towing stability.

Keywords

References

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