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

The Society of Naval Architects of Korea (대한조선학회)
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A Study on the Hull Form Design of a G/T 199ton Class Fishing Boat for Both Fish-luring Lighting and Fish Carrying in Korean Large Purse Seiner Fishing System

G/T 199톤급 우리나라 대형선망 등선 겸용 운반어선의 선형설계에 관한 연구

  • Park, Ae-Seon (Dept. of Naval Architecture and Ocean Engineering, Graduate School, Inha University) ;
  • Lee, Young-Gill (Dept. of Naval Architecture and Ocean Engineering, Inha University) ;
  • Jin, Song-Han (Research Institute of Medium & Small Shipbuilding)
  • 박애선 (인하대학교 대학원 조선해양공학과) ;
  • 이영길 (인하대학교 항공.조선.산업공학부 조선해양공학전공) ;
  • 진송한 (중소조선연구원)
  • Received : 2012.02.23
  • Accepted : 2012.09.04
  • Published : 2012.10.20
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Abstract

This paper presents a method of hull form design for the assistant vessel which is used both as a lighting boat and a fish carrying boat for the fleet of newly formated purse seiner vessels. The optimum hull form parameters are searched by the Sequential Quadratic Programing(SQP) method with the power estimation method of Van Oortmerssen. The prismatic curve is redesigned from that of the reference hull by the Lackenby method. Through the modification of the hull form by using a CAD system, the design procedure is completed. The resistance performances of the reference and the modified hull forms are estimated by using a numerical simulation method. Also, the estimation of seakeeping ability and stability for the modified hull forms are carried out. And then, an optimum hull form is proposed for the designed hull form. Ship model tests for the reference and the designed hull forms are carried out at ship model basin. The results of the experiments show that the effective horse power of the designed hull form is about 22% smaller than that of the reference hull form at design speed. The designed hull form proposed in this study will contribute to the development of the hull form for Korean large purse seiner vessels.

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References

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