조기유자망 어구의 개량 및 생력화 조업시스템 개발 2. 생력형 모형 양망기의 성능 시험
(주)코리아스칼라
- 최초 등록일
- 2023.04.05
- 최종 저작일
- 2005.08
- 8페이지/ 어도비 PDF
- 가격 4,000원
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서지정보
ㆍ발행기관 : 한국수산해양기술학회(구 한국어업기술학회)
ㆍ수록지정보 : 수산해양기술연구 / 41권 / 3호
ㆍ저자명 : 김석종, 구영성
영어 초록
As the basic study about improvement of yellow croaker drift gill net fishing implement and development of the fishing system, this study drew problem after synthetically analyzing hauling system of yellow croaker drift gill net used in the coast of Chuja Island and tested several characters and analyzed in hauling process with 5 step net hauler model for improving the problem. The analysis results are as follows. When the angle between axises of drum centers was small, it showed the tendency that hauling time was fast. Hauling time was faster when drum was 5 step rather than 3 step. When drum was 5 step, slippery phenomenon was small and hauling was stable. Tension was larger when drum was 5 step rather than 3 step. When drum was 5 step, the range of change of the maximum and minimum value was small and hauling was stable. When drum was 3 step, there was following formula between hauling time (Ht3) and angle between axises of drum centers (Ag) Ht3 : (7.15Hs-0.81) Ag-0.81, when drum was 5 step there was following formula.Ht5 : (6.45Hs-0.75) Ag0.10, here, Hs is hauling speed. When drum was 3 step and hauling speed was 28cm/sec, tension was T=0.08A83-1.60Ag3-0.49Ag+369.56(r=0.99), when drum was 5 step, tension was, T=-0.01Ag3+1.96Ag2-34.05Ag+414.58 (r-0.99), here, T was tension(g).
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