한국해양공학회지 (Journal of Ocean Engineering and Technology)

  • 제35권3호
  • /
  • Pages.173-182
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  • 2021
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  • 1225-0767(pISSN)
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  • 2287-6715(eISSN)
한국해양공학회 (Korean Society of Ocean Engineers)
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Numerical Study on Unified Seakeeping and Maneuvering of a Russian Trawler in Wind and Waves

  • Nguyen, Van Minh (Department of Transportation Mechanical Engineering, University of Danang - University of Science and Technology) ;
  • Nguyen, Thi Thanh Diep (Department of Eco-friendly Offshore Plant FEED Engineering, Changwon National University) ;
  • Yoon, Hyeon Kyu (Department of Naval Architecture and Marine Engineering, Changwon National University) ;
  • Kim, Young Hun (Department of Naval Architecture, Ocean, and IT Engineering, Kyungnam University)
  • 투고 : 2020.12.15
  • 심사 : 2021.05.02
  • 발행 : 2021.06.30
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초록

The maneuvering performance of a ship on the actual sea is very different from that in calm water due to wave-induced motion. Enhancement of a ship's maneuverability in waves at the design stage is an important way to ensure that the ship navigates safely. This paper focuses on the maneuvering prediction of a Russian trawler in wind and irregular waves. First, a unified seakeeping and maneuvering analysis of a Russian trawler is proposed. The hydrodynamic forces acting on the hull in calm water were estimated using empirical formulas based on a database containing information on several fishing vessels. A simulation of the standard maneuvering of the Russian trawler was conducted in calm water, which was checked using the International Maritime Organization (IMO) standards for ship maneuvering. Second, a unified model of seakeeping and maneuvering that considers the effect of wind and waves is proposed. The wave forces were estimated by a three-dimensional (3D) panel program (ANSYS-AQWA) and used as a database when simulating the ship maneuvering in wind and irregular waves. The wind forces and moments acting on the Russian trawler are estimated using empirical formulas based on a database of wind-tunnel test results. Third, standard maneuvering of a Russian trawler was conducted in various directions under wind and irregular wave conditions. Finally, the influence of wind and wave directions on the drifting distance and drifting angle of the ship as it turns in a circle was found. North wind has a dominant influence on the turning trajectory of the trawler.

키워드

과제정보

This research was supported by the programs, "Development of design and construction method of 36 m class trawlers for fishing in the Far East Waters for the support of Russia export." Which is funded by the Ministry of Trade, Industry and Energy (MOTIE, Korea), and "Development of Autonomous Ship Technology (2019-2020, Development of autonomous system having intelligent navigation decision making function)," which is funded by the Ministry of Oceans and Fisheries (MOF, Korea).

참고문헌

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