Modeling the Flow of a Bautista-Manero Fluid in Porous Media

Details Modeling the Flow of a Bautista-Manero Fluid in Porous Media Modeling the Flow of a Bautista-Manero Fluid in Porous Media

2009-05-12

arxiv.org/abs/0905.1960v1

Physics

Fluid Dynamics

43 pages 1 table 18 figures

Scientific paper

10.1016/j.ijheatfluidflow.2009.0

In this article, the extensional flow and viscosity and the converging-diverging geometry were examined as the basis of the peculiar viscoelastic behavior in porous media. The modified Bautista-Manero model, which successfully describes shearthinning, elasticity and thixotropic time-dependency, was used for modeling the flow of viscoelastic materials which also show thixotropic attributes. An algorithm, originally proposed by Philippe Tardy, that employs this model to simulate steadystate time-dependent flow was implemented in a non-Newtonian flow simulation code using pore-scale modeling and the initial results were analyzed. The findings are encouraging for further future development.

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