Safety of a peruvian small wooden purse seiner during fishing operations.

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  • ペルー小型木造旋網漁船の操業中の安全性
  • ペルー小型木造旋網漁船の操業中の安全性〔英文〕
  • ペルー コガタ モクゾウ マキアミ ギョセン ノ ソウギョウチュウ ノ アンゼ

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Abstract

The safety of a Peruvian small wooden purse seiner was examined applying the Japanese safety standard for small fishing boats. The “UNA-I” which is a prototype of a Peruvian small wooden purse seiner was used in this study.<br>Safety coefficient C=θp/θd=1.2 of the “UNA-I” was obtained in the worst condition of heel during fishing operation, where θp is the permissible maximum angle of heel and θd is the dynamic angle of heel. Also, for heeling caused by unexpected natural irreguarities at sea, the “UNA-I” was kept in reserve θmax/θd=3.3, whereθmax is the angle in the maximum righting moment.<br>The calculated static and dynamic angles of heel (θs, θd) were verified by the mesaured mean and maximum angles of experiments, and were approximately fitted with the measured values. The simplified method presented in this paper can be applied to examine the safety of similarly shaped small purse seiners utilized in Third World Countries.

Journal

  • NIPPON SUISAN GAKKAISHI

    NIPPON SUISAN GAKKAISHI 55 (11), 1921-1925, 1989

    The Japanese Society of Fisheries Science

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