THE DISPERSION ON PERISTALTIC FLOW OF MICROPOLAR FLUID IN A POROUS MEDIUM
Habtu Alemayehu, G. Radhakrishnamacharya · Journal of Porous Media · 2012
The paper presents an analytical solution for dispersion of a solute in the peristaltic motion of a micropolar fluid in a porous medium in the presence of both homogeneous and heterogeneous chemical reactions. The average effective dispersion coefficient has been found using Taylor's limiting condition under long wavelength approximation. The effects of various relevant parameters on the average coefficient of dispersion have been studied. The average effective dispersion coefficient decreases with porosity parameter but increases with amplitude ratio and micropolar parameters for the case of a homogeneous chemical reaction. But in the case of combined homogeneous and heterogeneous reactions, dispersion increases with the cross-viscosity coefficient and heterogeneous reaction rate parameter.