• FLOW OF A NON-NEWTONIAN FLUID SANDWICHED BETWEEN TWO NEWTONIAN FLUIDS

K. NANDAGOPAL*, S. SREENADH, P. LAKSHMINARAYANA, K. CHAKRADHAR

Abstract


Laminar flow of a couple-stress fluid in contact with a Newtonian fluid in a channel bounded by permeable beds has been studied. The flow in the permeable beds is governed by Darcy’s law. The expressions for the velocity and temperature fields are obtained. The effects of flow parameters on the velocity and temperature are discussed in detail through graphs. It is observed that the velocity and temperature are increases with increasing Darcy number and Couple stress parameter.


Keywords


Couple-stress fluid, Newtonian fluid, Channel, Permeable beds.

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