The Stability of Two-Dimensional Laminar Wakes at Low Reynolds Numbers

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概要

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• This paper is concerned with the stability of a two-dimensional laminer wake. The development of small disturbances excited artificially is investigated both experimentally and theoretically. Experiments are made in an experimental water-tank at Reynolds numbers between 10 and 600 for a flat plate and between 0.8 and 60 for a circular cylinder. The amplification rate, the wave length and the wave velocity of the disturbance are measured from the photographs of the flow. The neutral stability curve is determined both for the fiat plate and for the circular cylinder. The minimum critical Reynolds number below which all disturbances are damped is found to be about 1.0 for the circular cylinder. Theoretical investigations are made by the method of small oscillations. The agreement between the theory and the experiment is fairly good.

• 社団法人日本物理学会の論文
• 1963-02-05

著者

• Taneda Sadatoshi

  Kobe University Of Mercantile Marine

関連論文

• Downstream Development of the Wakes behind Cylinders
• Experimental Investigation of the Wake behind a Sphere at Low Reynolds Numbers
• Experimental Investigation of the Wall-Effect on a Cylindrical Obstacle Moving in a Viscous Fluid at Low Reynolds Numbers
• Experimental Studies of the Lift on Two Equal Circular Cylinders placed side by side in a Uniform Stream at Low Reynolds Numbers
• The Stability of Two-Dimensional Laminar Wakes at Low Reynolds Numbers
• Oscillation of the Wake behind a Flat Plate parallel to the Flow

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