Numerical analysis for MHD peristaltic transport of Carreau–Yasuda fluid in a curved channel with Hall effects

Impact of applied magnetic field on the peristaltic transport of Carreau–Yasuda fluid in a curved conduit is analyzed in this article. Hall effects are also taken into consideration. Lubrication approach is utilized in problem formulation. Resulting nonlinear system is solved numerically. Results fo...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2015-05, Vol.382, p.104-110
Main Authors: Abbasi, F.M., Hayat, T., Alsaedi, A.
Format: Article
Language:English
Subjects:
Carreau–Yasuda fluid
Computational fluid dynamics
Curvature parameter
Curved
Curved channel
Fluid flow
Fluids
Hall effect
Hall effects
Magnetic fields
Mathematical analysis
Mathematical models
Peristalsis
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Summary:Impact of applied magnetic field on the peristaltic transport of Carreau–Yasuda fluid in a curved conduit is analyzed in this article. Hall effects are also taken into consideration. Lubrication approach is utilized in problem formulation. Resulting nonlinear system is solved numerically. Results for axial velocity, pressure gradient, pressure rise per wavelength and stream function are obtained and studied graphically. Results revealed that for small values of curvature parameter the fluid velocity is not symmetric about the centerline. Also increase in the value of Hall parameter balances the magnetic influence of applied magnetic field by some extent. Further, the Carreau–Yasuda fluid possesses large size of trapped bolus when compared with the Newtonian fluid.
ISSN:0304-8853
DOI:10.1016/j.jmmm.2015.01.040