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

  • 제29권4호
  • /
  • Pages.307-315
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  • 2023
  • /
  • 1229-3431(pISSN)
  • /
  • 2287-3341(eISSN)
해양환경안전학회 (The Korean Society of Marine Environment and safety)
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선체운동 해석 기반의 예인선 출항통제 적정성 평가에 대한 연구

A Study on the Evaluation of the Appropriateness of the Control of Departure of Tugs Based on the Analysis of Ship Dynamic Motion

  • 김태훈 (한국해양대학교 해양경찰학부) ;
  • 유용웅 (한국이네비정보기술) ;
  • 이윤석 (한국해양대학교) ;
  • 안영중 (한국해양대학교)
  • Tae-Hoon Kim (Division of Coast Guard Studies, Korea Maritime and Ocean University) ;
  • Yong-Ung Yu (Korea e-Navi Information Technology) ;
  • Yun-sok Lee (Korea Maritime and Ocean University) ;
  • Young-Joong Ahn (Korea Maritime and Ocean University)
  • 투고 : 2023.04.05
  • 심사 : 2023.06.27
  • 발행 : 2023.06.30
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초록

우리나라는 기상 악화 속에서 감항성이 확보된 선박만이 항해할 수 있도록 선박출항을 해사안전법에 근거하여 통제하고 있으나 통제 대상선박 지정에 대한 과학적 평가 결과 및 정량적 근거가 미비하여, 항행안전의 확보와 합리적 출항통제 운영을 위한 개선 의견이 제기되고 있다. 본 연구는 풍랑 주의보 발효 시 주요 통제대상 선종인 예인선의 실선계측을 통해, 현행 출항통제 기준의 적정성을 평가하고 현실성 있게 개선될 수 있도록 정량적 근거를 제시하는 것에 연구 목적이 있다. 이를 위해 예인선에 선박의 3축 운동과 선체가속도를 측정하는 Sensor를 설치하여 유의파고 3m인 해역 내에서 운항하여 선체운동 성능을 계측하였고, 계측된 수치를 내항성능 평가요소 및 한계 값 기준을 바탕으로 비교 분석하였다. 실측 선박은 톤수에 따른 현행 통제기준에서 제외되었으나, 분석 결과 Pitch 값이 Operation 기준을 넘어 항행안전에 위험성이 존재하였다. 본 연구 결과는 선박 출항통제 대상에 대한 검토와 다양한 선종 및 제원을 대표할 수 있는 추가적 실측연구가 필요함을 시사한다.

Korea controls the departure of vessels based on the Maritime Safety Act such that only ships with seaworthiness can navigate in bad weather, but scientific evaluation results and quantitative basis for the designation of ships subject to control are insufficient. Opinions for improvement are being raised for a reasonable departure control operation. The purpose of this study is to evaluate the adequacy of the current departure control standards through actual measurement of tugboats, which are the type of vessels subject to control when a wind and wave advisory is effective, and to present quantitative grounds for improvement of controls. A sensor was installed on the tugboat to measure the ship's three-axis motion and hull acceleration, and the hull motion performance was measured by operating in the sea area with a significant wave height of 3 m. The measured values were compared and analyzed based on seaworthiness evaluation factors and limit value standards. The actual ship was excluded from the current control standard according to tonnage, but as a result of the analysis, the pitch value exceeded the operation standard, and a risk to navigation safety existed. The results of this study suggest the need for additional actual measurement studies that can represent various ship types and specifications and review ship departure control targets.

키워드

과제정보

이 논문은 2022학년도 한국해양대학교 신진교수 정착연구지원사업 연구비의 지원을 받아 수행된 연구임.

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