Induced Flow Due to Wavy Motion of a Wall. II. The Case of Very Large Reynolds Numbers

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  • Tanaka Koichi
    Department of Mechanical Engineering, Nagoya Institute of Technology

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Other Title
  • Induced Flow Due to Wavy Motion of a Wall-2-The Case of Very Large Reynolds Numbers
  • Induced Flow Due to Wavy Motion of a Wa

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Abstract

A two-dimensional flow of very large Reynolds numbers induced by sinusoidal wavy motion of a wall is considered taking account of a nonlinearity of the motion. It is found that the velocity of the induced steady streaming is proportional to the square of the ratio of the amplitude to the wavelength of the wavy wall, and that it approaches to a constant value in the form of damped oscillation with respect to the distance from the wall. They are qualitatively similar to the results obtained for smaller Reynolds number flows, but the flow field is more dominated by the higher harmonics.

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