Effects of slip on steady Bödewadt flow of a non-Newtonian fluidReport as inadecuate




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* Corresponding author 1 National Institute of Technology Rourkela 2 MSNMGP - Modélisation et Simulation Numérique en Mécanique et Génie des Procédés

Abstract : The steady flow arising due to the rotation of a non-Newtonian fluid at a larger distance from a stationary disk is extended to the case where the disk surface admits partial slip. The constitutive equation of the non-Newtonian fluid is modeled by that for a Reiner- Rivlin fluid. The momentum equation gives rise to a highly nonlinear boundary value problem. Numerical solution of the governing nonlinear equations are obtained over the entire range of the physical parameters. The effects of slip and non-Newtonian fluid characteristics on the momentum boundary layer are discussed in details. It is observed that slip has prominent effect on the velocity field, whereas a predominant influence of the non-Newtonian parameter is observed on the moment coefficient.

Keywords : Reiner-Rivlin fluid Bödewadt flow Partial slip Finite difference method





Author: Bikash Sahoo - Sébastien Poncet -

Source: https://hal.archives-ouvertes.fr/



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