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1 Applied Mechanics and Engineering

1 1999

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Structure-phenomenological rheology of suspensions in fluids with cross viscosity

Taran E. Yu., Selezov I. T.

Applied Mechanics and Engineering

1999

Vol. 4, no spec.

27-32

The rheological constitutive equations for dilute suspensions of rigid axisymmetric particles immersed in the Reiner-Rivlin non-Newtonian incompressible isotropic fluid with constant shear and cross viscosities are obtained within the framework of structure-phenomenological approach. The effect of the cross viscosity of dispersion medium is investigated on a steady-state orientation of suspended particles possesing permanent electric dipole moment and on pseudoplastic and elasticoviscous rheological properties of suspensions in stationary simple shear flow in combination with stationary transverse electric field. The accounting of the cross viscosity in the rheological equation of the dispersion medium leads to increasing the apparent suspension viscosity and the first difference of normal stresses compared to the suspension with the Newtonian dispersion medium.