Please use this identifier to cite or link to this item: https://hdl.handle.net/10216/106714
Author(s): Ferras, LL
Nobrega, JM
F. T. Pinho
Title: Analytical solutions for Newtonian and inelastic non-Newtonian flows with wall slip
Issue Date: 2012
Abstract: This work presents analytical solutions for both Newtonian and inelastic non-Newtonian fluids with slip boundary conditions in Couette and Poiseuille flows using the Navier linear and non-linear slip laws and the empirical asymptotic and Hatzikiriakos slip laws. The non-Newtonian constitutive equation used is the generalized Newtonian fluid model with the viscosity described by the power law, Bingham, Herschel-Bulkley, Sisko and Robertson-Stiff models. While for the linear slip model it was always possible to obtain closed form analytical solutions, for the remaining non-linear models it is always necessary to obtain the numerical solution of a transcendent equation. Solutions are included with different slip laws or different slip coefficients at different walls.
URI: https://repositorio-aberto.up.pt/handle/10216/106714
Document Type: Artigo em Revista Científica Internacional
Rights: restrictedAccess
Appears in Collections:FEUP - Artigo em Revista Científica Internacional

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