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EFFECT OF INCLINED MAGNETIC FIELD ON THE OSCILLATORY FLOW OF MICROPOLAR FLUID IN A POROUS MICRO-CHANNEL UNDER THE ACTION OF ALTERNATING ELECTRIC FIELD.
Ajaz Ahmad Dar* and K. Elangovan
Electroosmotic flows of micropolar fluids in microchannel are of great significance due to their manifold applications in the transport of liquids, mainly when the ionized liquid flows with regard to a charged surface in the presence of an alternating electric field. This article presents a complete theoretic study on the electro-osmotic flow of a micropolar fluid in a porous microchannel. The effect of the inclined magnetic field and electro-osmotic parameters on the kinematics of the fluid is taken into consideration. The analytical expressions of the electro-osmotic velocity and the microrotation of the suspended microparticles are derived within the framework of the Debye-Huckel Approximation. A quantitative study has been made through numerical calculation of the physical variables associated with the electro-osmotic flow of a micropolar fluid. This study provides a basis of novel understanding into the process of designing bio-detecting and micro-fluidic devices. It will also be important in the development of nano-scale bio-sensor advances as well as mechanical and electrical transducer components.[Full Text Article]