Journal of the Korean Society of Marine Environment & Safety (해양환경안전학회지)

The Korean Society of Marine Environment and safety (해양환경안전학회)
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A Study on the Effect of Hull Appendages of High-Speed Catamarans with Modified-reverse bow on the Running Performance

반전형 선수부 형상을 갖는 고속 쌍동선의 부가물이 주행성능에 미치는 영향에 관한 연구

  • 김도정 ((재)한국조선해양기자재연구원) ;
  • 나현호 ((재)한국조선해양기자재연구원) ;
  • 김정은 ((재)한국조선해양기자재연구원) ;
  • 오도원 ((재)한국조선해양기자재연구원) ;
  • 최홍식 (신우산업(주))
  • Received : 2019.05.21
  • Accepted : 2019.08.28
  • Published : 2019.08.31
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Abstract

In this study, the effect of hull appendages on the high-speed catamarans with reverse bow shapes is compared and analyzed by numerical analysis and circulating water tank model test. The reverse bow shape showed an improved wave shape by shifting the generation position of forward divergent wave to the stern direction and was effective in resistance and stable running posture (Kim et al., 2019). In the model test results of the running performance as the wave patterns and the change of the running posture due to the fin fitted with the inner side of the inverted bow and the interceptor, 1) Trim characteristics of the inverted bow 2) Improvement of superposition of inner wave by Fin 3) The trim control by the fin and the interceptor is considered to be effective in reducing the impact of the two hull connection decks (wetdeck).

본 연구에서는 선수 돌출의 반전형 선수 형상을 가진 고속 쌍동선의 선체부착 부가물에 의한 주행성능 영향에 대하여 수치해석과 회류수조 모형시험을 통하여 비교분석하였다. 반전형 선수 형상은 재래식 선수 형상보다 선수 발산파 파정의 생성위치를 선미방향으로 이동시켜 개선된 조파형상을 보이며, 저항 및 안정된 항주자세에 효과적임을 보였다(Kim et al., 2019). 본 연구에서의 반전형 선수 내측에 부착된 핀과 선미단 인터셉터(Interceptor)에 의한 파형과 항주자세 변화 등 주행성능에 대한 모형시험 결과에서는, 1) 반전형 선수의 Trim 특성 2) Fin에 의한 내측 파의 중첩 개선 3) Fin과 Interceptor에 의한 자세제어는 두 선체 연결갑판(Wetdeck) 충격을 줄이는데 효과적인 것으로 판단된다.

Keywords

References

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