유선형 스텝 선형을 적용한 35 knot급 고속활주선의 성능평가에 대한 고찰
A Review on the Performance Test of a High-Speed Planing Hull with 35 knot Speed by Appling the Streamlined Step of Hull Form
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초록
고속 주행시 마찰저항을 감소시키기 위해 선체의 선저부분의 모양을 변화시키는 등 최근 관련 분야의 개 발이 이루어지고 있는 바, 본 개발에서는 기하학적으로 고속활주선의 스텝 단면을 유선형(streamlined type) 구조로 제작해 침수 표면적에 의한 마찰저항의 최소화를 목적으로 준비하였다, 본 개발의 목적은 어업의 각종 위급상황 및 안전성을 고려한 고속활주선의 구조설계를 기반으로 하여 어업의 특수성 및 작업특성(어군 추적 및 어획물 출하) 을 고려한 최적선형으로서 유선형 마찰저감형 고속활주선을 제작하는데 그 목표가 있으며, 이 과정에서 제작된 성 과물에 대한 성능평가를 수행하여 정량적 목표치를 확보하고자 함에 본 기술개발 논문의 소개 배경이 있다.
Abstract
As a recent technical approach, a high-speed planing hull was tried to realize a friction reducing system by simultaneously actuating the triple streamlined step hull form in association with optimum speed of 35 knot planing for fishing boat. In this approach, the streamlined step hull form with triple structure of type was attached under the bottom of high-speed planing hull, while a friction resistance is reduced in the process of running at the speed of 35 knot. In addition, this research was to make a performance test as to the manufactured product and acquire the purposed values and the development items. Actually, after manufacturing the desired prototype of highspeed planing hull, the significant items, fuel efficiency (second) and amount of fuel consumption (degree) including maximum speed (knot) were estimated for a performance test. And tensile strength (MPa) and bend strength (MPa) as to the completed prototype like a high speed planing hull were also acquired during the test.
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