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Effect of couple stress and magnetic field on the unsteady convective diffusion in blood flow

1 Department of Mathematics, Annamalai University, India
2 Mathematics Section, Faculty of Engineering and Technology, Annamalai University, Tamil Nadu, India

World Journal of Engineering

ISSN: 1708-5284

Article publication date: 1 August 2014

Issue publication date: 1 August 2014

43

Abstract

The effect of magnetic field on unsteady convective diffusion in a couple stress fluid (blood) is studied using a time dependent dispersion model. This model is used to calculate the mean concentration distribution of a solute, bounded by the porous layer and is expressed as a function of dimensionless axial distance and time. The magnetic field, arising as a body couple in the governing equations is shown to increase the axis dispersion coefficient. This is useful to the control of haemolysis caused by artificial organs implanted or extracorporeal. Dispersion coefficient and mean concentration are computed for different values of Hartmann number (M), Couple Stress Parameter (a) and Porous Parameter (σ).

Keywords

Citation

Ratchagar, N. and Kumar, R. (2014), "Effect of couple stress and magnetic field on the unsteady convective diffusion in blood flow", World Journal of Engineering, Vol. 11 No. 4, pp. 403-412. https://doi.org/10.1260/1708-5284.11.4.403

Publisher

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Emerald Group Publishing Limited

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