Spectral computation of reactive bi-directional hydromagnetic non-Newtonian convection flow from a stretching upper parabolic surface in non-Darcyporous medium
نویسندگان
چکیده
This paper presents a mathematical model for bi-directional convection magnetohydrodynamic (MHD) tangent hyperbolic nanofluid flow from the upper horizontal subsurface of stretching parabolic surface to non-Darcian porous medium, as simulation nanocoating. Chemical reaction, activation energy and thermo solutal buoyancy effects are included. The Darcy–Brinkman–Forchheimer is deployed which permits analysis inertial (second order) drag effects. Buongiorno nanoscale includes Brownian motion thermophoresis dimensionless, transformed, nonlinear, coupled ordinary differential equations solved by implementing spectral relaxation method (SRM). Validation with previous studies numerical influence key parameters on transport characteristics evaluated visualized graphically. Velocity elevated (and momentum boundary layer thickness reduced) increasing wall parameter, permeability Forchheimer Weissenberg (rheological) parameter modified Hartmann (magnetic body force) number. enhancement also computed increment in rate rheological power-law index, thermal Grashof number, species (solutal) diminishes. Temperature suppressed index Prandtl number whereas it substantially parameters. temperature profiles reduced adjacent larger [Formula: see text]1, reverse behavior observed text]1. Nanoparticle concentration magnitude depleted numeric Lewis enhanced greater values parameter. nanoparticle an increase chemical reaction boosted Skin friction, Nusselt Sherwood computed. study relevant electromagnetic nanomaterials coating processes complex reactions.
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ژورنال
عنوان ژورنال: International Journal of Modern Physics B
سال: 2021
ISSN: ['0217-9792', '1793-6578']
DOI: https://doi.org/10.1142/s0217979221502945