Investigation of Model Tests on Shrimp Trawl Net

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  • HONDA Katuji
    Laboratory of Fishing Gear, Tokyo University of Fisheries

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  • エビトロール網の模型実験の検討
  • エビ トロールアミ ノ モケイ ジッケン ノ ケントウ

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Abstract

A tank test was performed to find out the net form and hydraulic resistance on the net. The tank test on the two model nets, using the same shrimp net as an example, which were constructed under different conditions were tested at two facilities.<br> In these cases, it is supposed that there were differences between the two nets as the resuls obtained from the two model net experiments were converted to full scale. Then, hydraulic resistance of the two nets was compared and examined. By the use of the results obtained from the two model tests, the diference between the two nets was almost nil except for the values in the case of slow current speed.

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