Steady Flow Around a Circular Cylinder Coated with a Magnetic Fluid Film
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概要
- 論文の詳細を見る
An analysis is first presented to clarify the effects of a magnetic fluid film coated on a current-carrying cylinder on the free-stream structure and on the hydrodynamic drag force. The calculation is made for the case of Reynolds number Re=10 and a ratio between the mean film thickness and cylinder radius, ε=0.1, using a perturbation method taking ε as a parameter. Then, the effects of Reynolds number and film thickness on the film profile are experimentally studied. It is clearly shown that the drag of a cylinder is reduced by the presence of a magnetic fluid coating only when the ratio of the apparent viscosity of magnetic fluid to the viscosity of the outer fluid is less than 1/4.
- 一般社団法人日本機械学会の論文
- 1988-05-15
著者
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Satoh Akira
Marine Biotechnology Institute Kamaishi Laboratories
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Satoh A
Department Of Developmental Biology And Neurosciences Graduate School Of Life Sciences Tohoku Univer
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KAMIYAMA Shin-ichi
Institute of High Speed Mechanics, Tohoku University
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SATOH Akira
Institute of High Speed Mechanics, Tohoku University
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Kamiyama S
Tohoku Univ. Sendai Jpn
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Kamiyama Shin-ichi
Institute Of Fluid Science Tohoku University
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Sato Akira
Department Of Developmental Biology And Neurosciences Graduate School Of Life Sciences Tohoku Univer
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