漁船の船型,状態に関する船体運動学的考察-I : 96トン型鋼製鮭鱒流網漁船の縦方向運動の場合

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  • Some Considerations on the Effect of Hull Form and Ship's Condition upon the Motions of Fishing Boat at Seas I : On the longitudinal ship motions of a steel salmon drift net boat, type 96-GT
  • 漁船の船型,状態に関する船体運動学的考察-1-96トン型鋼製鮭鱒流網漁船の縦方向運動の場合
  • ギョセン ノ センケイ ジョウタイ ニ カンスル センタイ ウンドウガクテキ

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Salmon drift net boats have been constructed since 1954 and type 96-GT was introduced in 1963. This type of fishing boat is used for tuna long line, saury stick-held dip net, squid pole and line or one boat medium trawl fishing. The ship hull form have changed from year as a function of navigation and practical fishing use. In addition, fishing boats have large individual differences such as draft and trim. The authors attained to the relationship between ship hull forms and motion dynamics, and to classify salmon drift net boats relative to their hull forms and their conditions. The authors used the Ordinary Strip Method (OSM) to compute theoretical ship motions and validated OSM in towing tank experiments with a fishing boat model. In this paper, the authors discuss ship hull forms and their conditions of the 96-GT type as a result of the calculations of the longitudinal ship motions of heaving, pitching and up-downward acceleration.

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