Slow Motion in a Two-Dimensional Semi-Infinite Channel with Moving Walls
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概要
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Investigations are made of the two-dimensional flow of a viscous incompressible fluid due to slow and ateady motion of a plnce pistin in a channel. Three methods are adopted: analytical, numerical and composite ones. Numerical errors of the velocity distribution on the walls derived by Dean's technique are found to be less than 1.1%. Vorticity distributions on the walls obtained by the three methods are dompared. The vorticity becomes infinite as r^<-1> when the distance r from a corner tends to zero, where the wall velocity is discontinuous and the numerical solution becomes invalid. It is found that the composite method gives the most accurate and uniform approximation.
- 社団法人日本物理学会の論文
- 1972-06-05
著者
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Fukuyu Akio
Department Of Mathematical Science Faculty Of Science And Engineering Tokyo Denki University
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Fukuyu Akio
Department Of Physics Faculty Of Science University Of Tokyo
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KAMBE Tutomu
Institute of Space and Aeronautical Science, University of Tokyo
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Kambe Tutomu
Institute Of Space And Aeronautical Science University Of Tokyo
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