Abstract:
In this thesis, we have investigated the peristaltic
ow of Newtonian and non-Newtonian
nano
uid
ows in a channel, uniform and non-uniform tube. We have modelled and
simpli ed the governing equations of such a
uid under the assumptions of long wave
length and low Reynolds number approximation. The momentum equation is solved by
utilizing the homotopy perturbation technique for velocity while the exact solutions are
computed for temperature and concentration equations. The analysis depicts the impact
of di erent situations such as endoscopic tube, magnetics eld, convective boundary
conditions and viscous dissipation in the
ow of nano
uids induced by pressure gradient.
The e ects of di erent governing parameters on velocity and temperature elds are
analyzed graphically for peristaltic waves. The physics of the involved parameters and
important features of the modeled problems are discussed and analyzed with the help
of streamlines and plots for various quantities.
