Entropy induced flow model for solar radiation through nanomaterials with cubic autocatalysis reaction

Abstract

Background and objectiveHere we analyze entropy optimized magnetohydrodynamic flow of Reiner- Rivlin fluid nanomaterial. Flow by stretched cylinder is induced. Energy expression is scrutinized by addressing radiation, Ohmic heating and dissipation. Features for Brownian motion and thermophoresis have been accounted. Characteristics of nano fluid is added through Buongiorno’s model. Additionally, presence of homogeneous-heterogeneous chemical reaction is considered. MethodologyRelated governing expressions of problem (partial differential system) are converted into non-dimensional differential system. Governing problems are tackled through ND-solve technique. ResultsVelocity, entropy production, concentration and thermal field against sundry parameters are analyzed. Performances of Nusselt number and gradient of velocity are evaluated. Higher fluid variable lead to enhance velocity. Velocity and skin friction for magnetic field have reverse trends. Qualitatively same trend of temperature and concentration holds regarding thermophoresis. Behavior of magnetic field on temperature and entropy rate is similar. Nusselt number and thermal field for Prandtl number have reverse outcome. Entropy optimization boosted for heterogeneous diffusion variable. Radiation impact increases entropy generation.