We studied the impact of magnetic field and chemical reaction on the peristaltic motion of nanofluid in the horizontal asymmetric channel with heat and mass transfer in this paper. The unsteady governing equations of the present problem were formulated. After the unsteady equations are transformed to steady and then the implementation of lubrication theory approximation, the lengthy equations are shortened. The coupled nonlinear differential equations (temperature and concentration equations) are analytically solved using the perturbation method. The exact analytical solution of the stream function was also calculated.The results of the velocity profile, pressure rise, temperature, and concentration are plotted through the MATLAB software and the streamlines are drawn through the MATHEMATICA software. The impact of key fluid parameters is discussed using graphical results. One observes that, for large values of the thermophoresis parameter, the temperature of the fluid increases, and more energy is produced.
An investigation has been carried out to study the combined impacts of thermal radiation, viscous dissipation, ohmic heating, and diffusion thermo on unsteady MHD natural convective rotating secondgrade fluid past a semi-infinite vertical plate with Hall and ion-slip currents. In this study, velocity slip boundary conditions are considered. To enhance the energy equation by incorporating the effects of thermal radiation, viscous dissipation, ohmic heating, and diffusion thermo. The governing partial differential equations are converted into ordinary differential equations by using suitable nondimensional variables to solve these equations analytically, thereby adopting the familiar perturbation technique. The impacts of relevant parameters on velocity, temperature, and concentration are illustrated diagrammatically and explained in detail. Shear stress, Nusselt number, and Sherwood number are also calculated for engineering purposes and are expressed in a tabular form.
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