The electrorheology of dispersed systems

Deinega, Yu. F.

doi:10.1007/bf00827839

Cited by 1 publication

(1 citation statement)

References 17 publications

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“…A link between the square of the electrical field magnitude (E 0 2 ), the induced hydrodynamic stress and the effective viscosity, was also found in various experiments, including the effect of particle chaining (e.g. [14,15]), smart suspensionsdampers [16], food processingmilk chocolate [17], electric pump [18] and tests of non-Newtonian fluids flow under electric fields [19][20][21].…”

Section: Introductionmentioning

confidence: 99%

Electro-rheological effects of polarizable nano spherical particles

Nagler

Miloh

2020

Phys. Scr.

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A theoretical study is provided for determining the effective stress and viscosity of ideally conducting uncharged polarized freely spherical solid particles suspended in a Stokes fluid under a uniform DC electric field and constant shear. Due to polarization electric double layer (EDL) is formed in the symmetric electrolyte around the spherical (perfect conductor) particle. Assuming a dilute suspension (ignoring particle-particle interaction) we employ a generalized effective stress formulation which considers the case of applied pure shear (no electric field), the case of ambient electric field (no shear) and finally the coupling between both cases. Comparison between the current analysis and literature has shown commendable agreement. Our analytical predictions can be further simplified for the case of a thin EDL utilizing the Helmholtz–Smoluchowski (HS) slip-velocity model in accordance with the generalized cell- method.

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