Three-dimensional couette flow of a second-grade fluid along periodic injection/suction

Muhammad Afzal Rana, Yasar Ali, Babar Ahmad, Muhammad Rana

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This work explores the three-dimensional laminar flow of an incompressible second-grade fluid between two parallel infinite plates. The assumed suction velocity comprises a basic steady dispersal with a superimposed weak transversally fluctuating distribution. Because of variation of suction velocity in transverse direction on the wall, the problem turns out to be three-dimensional. Analytic solutions for velocity field, pressure and skin friction are presented and effects of dimensionless parameters emerging in the model are discussed. It is observed that the non-Newtonian parameter plays dynamic part to rheostat the velocity component along main flow direction.

Original languageEnglish
Article number553
Pages (from-to)1-17
Number of pages17
Issue number9
Publication statusPublished - 28 Aug 2019

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