M. Whittle, R. J. Atkin, and W. A. Bullough : Int. J. of Modern Physics B. 10, 2933-2950, (1996).

Dynamics of an Electrorheological Valve.

Abstract

  Time dependent solutions to the equations of motion for flow in an electro-rheological valve are developed and discussed in relation to the speed of operation.  The fluid is considered to be a homogeneous continuum obeying the Bingham plastic constitutive equation incorporating a yield stress and viscous component.  The results show that the speed of response is determined by the plastic viscosity irrespective of the yield stress and corroborates earlier work.  The results have a bearing on the choice of fluid for high speed operation.

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