Journal of the Korean Society of Fisheries and Ocean Technology (수산해양기술연구)

The Korean Society of Fisheries and Ocean Technology (한국수산해양기술학회)
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A study on the characteristics of hull shape parameter of fishing vessel types

트롤어선 선종의 선형 특성 계수에 관한 연구

  • KIM, Su-Hyung (Training ship, Pukyong National University) ;
  • LEE, Chun-Ki (Div. of Navigation Science, Korea Maritime and Ocean University) ;
  • KIM, Min-Son (Div. of Marine Industrial Transportation Science and Technology, Kunsan National University)
  • 김수형 (부경대학교 실습선) ;
  • 이춘기 (한국해양대학교 항해학부) ;
  • 김민선 (군산대학교 해양산업.운송과학기술학부)
  • Received : 2020.02.24
  • Accepted : 2020.04.22
  • Published : 2020.05.31
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Abstract

Engaged in trawling in limited fishing grounds with a number of fish schools could cause collisions between fishing vessels. Therefore, providing accurate maneuver information according to the situation could be regarded as essential for improving seafarers safety and fishing efficiency as well as safety of navigation. It is difficult to obtain all maneuver information through sea trial tests only, so a method through empirical formula is necessary. Since most empirical formulas are developed for merchant ship types, especially the characteristics of hull shape parameter like CbB/L and dCb/B etc. are clearly different between fishing vessels and merchant ships, this could occur estimation errors. Therefore, in this study, the authors have selected target fishing vessels and merchant ships and analyzed the characteristics of hull shape parameter according to the ship types. Based on this analysis, the empirical formula developed for the merchant ship type has applied to the target fishing vessels; it has verified through the turning motion simulation that the estimation error could be generated. In conclusion, it is necessary to include the characteristics of the hull shape parameter of fishing vessels in the empirical formula in order to apply the empirical formula has developed for merchant ship types to fishing vessel types.

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References

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