| Preliminary Study on the Water Drag of Schlegel's Black Rockfish Sebastes schlegeli |
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| 作者单位： | LI Wentao，ZHANG Xiumei *，GAO Tianxiang，JING Aiguo Fishery College，Ocean University of China，Qingdao 266003，P.R.China |
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| 摘 要： | 1 Introduction FishcageculturesystemhasbeenwidelyusedinmaricultureindustryinChina .Indesigningthecagesystem ,thewaterdragactingonit,includingthatonculturedfish ,shouldbetakenintoaccount.Avarietyofmethodshavebeenusedtodeterminethewaterdragofanimalsrangin…
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Preliminary Study on the Water Drag of Schlegel's Black Rockfish Sebastes schlegeli |
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| Authors: | LI Wentao ZHANG Xiumei GAO Tianxiang JING Aiguo Fishery College Ocean University of China Qingdao PRChina |
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| Institution: | LI Wentao,ZHANG Xiumei *,GAO Tianxiang,JING Aiguo Fishery College,Ocean University of China,Qingdao 266003,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 2/3 respectively at water velocities ranging from 0.3 to 1.0 m s -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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