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Experimental investigation of instabilities in flow through a long square channel rotating about the transverse axis

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Abstract

The results of an experimental investigation of bifurcation phenomena in a laminar flow through a rotating square channel approximately 50 channel widths long are presented. A comparison with known results of the numerical modeling of bifurcations of developed steady-state flow is carried out. A map of the steady and unsteady flow regimes is plotted. The effect of artificially generated input perturbations on the conditions of onset of longitudinally oriented vortex structures in the neighborhood of the elevated-pressure side of channels of lesser length is investigated.

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Authors
  1. A. V. Kuz'minskii
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  2. E. M. Smirnov
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Additional information

St. Petersburg. Translated from Izvestiya Rossiiskoi Akademii Nauk, Mekhanika Zhidkosti i Gaza, No. 2, pp. 87–93, March–April, 1996.

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Kuz'minskii, A.V., Smirnov, E.M. Experimental investigation of instabilities in flow through a long square channel rotating about the transverse axis. Fluid Dyn 31, 235–239 (1996). https://doi.org/10.1007/BF02029682

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  • DOI: https://doi.org/10.1007/BF02029682

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