Journal of Advanced Marine Engineering and Technology

The Korean Society of Marine Engineering (한국마린엔지니어링학회)
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A study for roll damping performance of a platform supply vessel with or without bilge keel using CFD

전산유체역학을 이용한 해양작업지원선의 빌지킬 유무에 따른 횡동요 성능에 관한 연구

  • Seok, Jun (Division of Green-ship research, Research Institute of Medium & Small Shipbuilding) ;
  • Kim, Sung-Yong (Approval centre Korea, DNV-GL) ;
  • Yang, Young-Jun (Global Core Research Center for Ships and offshore Plants, Pusan National University) ;
  • Jin, Song-Han (Division of Green-ship research, Research Institute of Medium & Small Shipbuilding) ;
  • Park, Jong-Chun (Department of Naval Architecture & Ocean Engineering, Pusan National University)
  • Received : 2016.07.18
  • Accepted : 2016.11.08
  • Published : 2016.11.30
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Abstract

In this study, numerical simulations on the effects of bilge keel on roll motion were conducted. The numerical simulations were performed on a 110 m class PSV using the commercial viscous flow analysis software Star-CCM+. Before conducting the study on the 110 m class PSV, an additional simulation of DTMB 5512 was performed and compared with the experimental results to validate the feasibility of the numerical simulation. In the simulation on PSV, a nondimensional damping coefficient was calculated using a free roll decay simulation, and the response amplitude operator (RAO) for the roll motion was calculated with a nondimensional damping coefficient at two conditions (with/without bilge keel).

본 연구에서는 상용 점성 유동 해석 소프트웨어인 Star-CCM+를 이용하여 110m급 해양작업지원선의 빌지킬 효과에 따른 횡동요 성능에 관한 연구를 수행하였다. 해양작업지원선에 관한 연구에 앞서 DTMB 5512 선형에 대한 수치 시뮬레이션을 통해 실험과 비교 검증하였다. 검증된 결과를 바탕으로 빌지킬 유무에 따른 해양작업지원선의 자유 횡동요 시뮬레이션을 수행하였으며, 이를 통해 각각의 무차원 감쇠 계수와 횡동요 응답진폭함수를 산출하였다.

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