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자료유형
학술저널
저자정보
저널정보
한국수산해양기술학회(구한국어업기술학회) 수산해양기술연구 수산해양기술연구 제41권 제3호
발행연도
2005.1
수록면
199 - 206 (8page)

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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 (Ht 3) and angle between axises of drum centers (Ag) Ht3=(7.15Hs 0.81) Ag 0.04, 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=0.08Ag 31.60Ag 20.49Ag+369.56 (r=0.99), when drum was 5 step, tension was , T=0.01Ag 3+1.96Ag 234.05Ag+414.58 (r=0.99), here, T was tension(g).

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