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Wave regimes on a film of generalized Newtonian fluid flowing down a vertical plane

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Abstract

The flow of a thin film of generalized Newtonian fluid down a vertical wall in the gravity field is considered. For small flow-rates, in the long-wave approximation, an equation describing the evolution of the surface perturbations is obtained. Depending on the signs of the coefficients, this equation is equivalent to one of four equations with solutions significantly different in evolutionary behavior. For the most interesting case, soliton solutions are numerically found.

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Authors
  1. O. Yu. Tsvelodub
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Original Russian Text © O.Yu. Tsvelodub, 2007, published in Izvestiya Rossiiskoi Akademii Nauk, Mekhanika Zhidkosti i Gaza, 2007, Vol. 42, No. 4, pp. 3–15.

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Tsvelodub, O.Y. Wave regimes on a film of generalized Newtonian fluid flowing down a vertical plane. Fluid Dyn 42, 507–517 (2007). https://doi.org/10.1134/S0015462807040011

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  • DOI: https://doi.org/10.1134/S0015462807040011

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