Flow of non-newtonian fluid between torsionally oscillating discs

  • G. K. Rajeswari
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Summary

The flow of an incompressible non-Newtonian viscous fluid contained between two torsionally oscillating infinite parallel discs is investigated. The two specific cases studied are (i) one disc only oscillates while the other is at rest and (ii) both discs oscillate with the same frequency and amplitude but in opposite directions. Assuming that the amplitude of oscillation,Ω/n, is small and neglecting the squares and higher powers ofΩ/n, the equations of motion have been solved exactly for velocity and pressure satisfying all the boundary conditions. The effect of both positive and negative coefficients of cross-viscosity on the steady components of the flow has been represented graphically.

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Copyright information

© Indian Academy of Sciences 1961

Authors and Affiliations

  • G. K. Rajeswari
    • 1
  1. 1.Department of Applied MathematicsIndian Institute of ScienceBangalore-12

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