Abstract
ABSTRACT This problem discusses the magnetic field effects on the flow of Cattaneo-Christov heat flux model for MoS2 and MgO water-based nanofluid past a stretching sheet. The effects of Uniform heat source/sink, thermal radiation and first-order chemical reactions are considered. The system of partial differential equations is reduced to nonlinear ordinary differential equations by using similarity transformations and then solved numerically by the Runge–Kutta fourth order along with shooting technique. It is found that spherical shape nanoparticle has better heat transfer enhancement than other nanoparticle shapes and both the temperature and the thickness of the thermal boundary layer are lesser for the Cattaneo-Christov heat flux model than the classical Fourier’s law of heat conduction. The impact of various pertinent flow parameters on velocity, temperature and nanoparticle concentration as well as the friction factor coefficient and the rate of heat and mass transfer coefficients are plotted and discussed through graphs and tables. Permeability parameter decelerates the velocity of the fluid and volume fraction parameter decelerates the momentum boundary layer thickness. Finally, we observed that the fluid temperature for -water nanofluid is less than that of -water nanofluid.
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