Abstract

The effect of electric field on the flow of viscoelastic fluids has been investigated and the bifurcation and flow pattern transition processes have been mainly studied through numerical simulation considering a coaxial cylinder model. Different bifurcations have been found with transition among them and accordingly critical criteria of bifurcation also change. Plus, among these bifurcation paths, the swinging, rotating, splitting, and vanishing behaviors of charge void regions which are quite different from those of Newtonian fluids, have been observed.

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