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Change of the types of instability of a steady two-layer flow in an inclined channel

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Abstract

A plane steady-state two-layer fluid flow under the coupled action of the buoyancy and Marangoni forces is considered. The system is oriented at an arbitrary angle with respect to the gravity force. Exact solutions generalizing the Ostroumov-Birikh solution are obtained and their stability is studied in the framework of a linear theory. On the basis of numerical calculations, the influence of the inclination angle, the thickness of the layers, and the wall heating conditions on the instability mechanisms is investigated.

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Authors
  1. V. B. Bekezhanova
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Original Russian Text © V.B. Bekezhanova, 2011, published in Izvestiya Rossiiskoi Akademii Nauk, Mekhanika Zhidkosti i Gaza, 2011, Vol. 46, No. 4, pp. 24–35.

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Bekezhanova, V.B. Change of the types of instability of a steady two-layer flow in an inclined channel. Fluid Dyn 46, 525–535 (2011). https://doi.org/10.1134/S001546281104003X

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  • DOI: https://doi.org/10.1134/S001546281104003X

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