| Preliminary Study on the Water Drag of Schlegel＇s Black Rockfish Sebastes schlegeli |
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| 作者姓名： | LIWentao ZHANGXiumei GAOTianxiang JINGAiguo |
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| 作者单位： | FisheryCollege,OceanUniversityofChina,Qingdao266003,P.R.China |
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| 摘 要： | Drag forces acting on Schlegel‘s black rockfish Sebastes schlegeli were studied. A new drag force transducer was designed and used to measure the water drag on Schlegel‘s black rockfish in a vertical recirculating flume tank. Fourteen individuals were investigated, yielding two mean drag coefficients referred to the cross-sectional area and volume^2/3 respectively at water velocities ranging from 0.3 to 1.0 ms^-1 The drag coefficients can be used for estimating the drag forces acting on Sebastes schlegeli in water.
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| 关 键 词： | 岩鱼 鱼笼 拖曳力 海洋生物养殖 |
| 收稿时间： | 10 October 2003 |
| 修稿时间： | 19 March 2004 |
Preliminary study on the water drag of Schlegel’s black rockfish <Emphasis Type="Italic">Sebastes schlegeli</Emphasis> |
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| LIWentao ZHANGXiumei GAOTianxiang JINGAiguo.Preliminary study on the water drag of Schlegel’s black rockfish Sebastes schlegeli[J].Journal of Ocean University of China,2004,3(1):70-74. |
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| Authors: | Li Wentao Zhang Xiumei Gao Tianxiang Jing Aiguo |
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| Institution: | (1) Fishery College, Ocean University of China, 266003 Qingdao, P.R.China |
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| Abstract: | Drag forces acting on Schlegel’s black rockfish Sebastes schlegeli were studied. A new drag force transducer was designed and used to measure the water drag on Schlegel’s black rockfish in
a vertical recirculating flume tank. Fourteen individuals were investigated, yielding two mean drag coefficients referred
to the cross-sectional area and volume respectively at water velocities ranging from 0.3 to 1.0 ms−1. The drag coefficients can be used for estimating the drag forces acting on Sebastes schlegeli in water. |
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| Keywords: | Schlegel’ s black rockfish Sebastes schlegeli drag coefficient drag force transducer |
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