Nonlinear fluid behavior: from shear thinning to shear thickening

Ortwin Hess and Siegfried Hess

Physica A: Statistical Mechanics and its Applications, 1994, vol. 207, issue 4, 517-540

Abstract: A phenomenological model is introduced which describes both shear thinning and shear thickening behavior. Consequences of this model are presented for plane Couette (simple shear) flow. The non-Newtonian viscosity and normal pressure differences are discussed for a stationary situation. The dynamic behavior - stress growth and relaxation - is analyzed. A stress hysteresis is found in the shear thickening regime. The model is also applied to the vorticity free planar (biaxial) deformational and (uniaxial) elongational flow geometries.

Date: 1994
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:207:y:1994:i:4:p:517-540

DOI: 10.1016/0378-4371(94)90208-9

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