Stability of MHD Nanofluid Flow through Expanding or Contracting porous channel

What is it about?

The objective of the present study is to investigate the influence of external magnetic field on unsteady incompressible flow of water based nanofluid through a successively expanding or contracting channel with porous walls.

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Why is it important?

The instability of the flow is shown using bifurcation graph and the dominating singularity behavior numerically. The regular effects of the different governing physical parameters specifically Hartmann number, volume friction of nanoparticles, non-dimensional shear stress and permeation Reynolds number on velocity profiles are depicted graphically.