| 刺网浮沉子分布规律及减小目脚张力的研究 |
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| 引用本文： | 吴菊生,齐作承,许传才,卢振义. 刺网浮沉子分布规律及减小目脚张力的研究[J]. 大连水产学院学报, 1989, 0(1) |
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| 作者姓名： | 吴菊生 齐作承 许传才 卢振义 |
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| 作者单位： | 大连水产学院海洋渔业系(吴菊生，齐作承，许传才)，大连水产学院海洋渔业系(卢振义) |
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| 摘 要： | 为使刺网网目受力均匀,改善网目变形和减小目脚张力,作者用理论分析和实验方法说明中层流网处于均流状态的水中与水流没有相对位移;设计制作实验装置,用静力学模拟法试探刺网网衣上受力分布的规律,得出了浮、沉子档间距与网高之间的关系式;进而提出了合理分布浮沉子的三项原则及减小目脚张力的措施。
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| 关 键 词： | 静力学模拟法 最大受力结节 最小受力结节 浮子档间距 正整数倍 斜向力纲 |
The research on the patterns of Sinkers distribution and bar tension on the gill net |
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| Wu Jusheng Qi Zhuocheng Xu Chuancai Lu Zhenyi. The research on the patterns of Sinkers distribution and bar tension on the gill net[J]. Journal of Dalian Fisheries University, 1989, 0(1) |
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| Authors: | Wu Jusheng Qi Zhuocheng Xu Chuancai Lu Zhenyi |
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| Affiliation: | Marine Fisheries Departioent Dalian Fisheries College |
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| Abstract: | For making the meshes of the gill net get uniform action tension, in order to improve meshes deformation and reduce bar tension, the -writers explain ehat the gill net does not get relative movement to water with uniform tlow by theory analgsis and experiment, describle the design and make for the test facilities, and explore the law for action force distribution on the netting by static dynamics simulation experiment, and obtain the formulas of the relation between the intervals of tloats, sinkers and the height of the gill net, and further point out the three principles to distribute floats reasonably and to decrease bars tension. |
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| Keywords: | The way of static dynamics The knot of maximal tension The knot of minimal tension The interval between floats The time of positive intact number The sloping force line |
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