Influence of Arrhenius activation energy in MHD flow of third grade nanofluid over a nonlinear stretching surface with convective heat and mass conditions

Tasawar Hayat, Rubina Riaz, Arsalan Aziz and Ahmed Alsaedi

Physica A: Statistical Mechanics and its Applications, 2020, vol. 549, issue C

Abstract: This topic addresses the influence of binary chemical reaction and activation energy in hydromagnetic flow of third grade nanofluid associated with convective conditions. Flow is developed through nonlinearly stretched surface. Nanoparticles concentration and temperature profiles are considered in the presence of Brownian dispersion and thermophoresis effects. Third grade liquid is electrically conducted via uniform applied magnetic field. Assumption of boundary layer has been used in the problem development. Governing differential systems have been computed in frame of NDsolve. The graphical illustrations explore influences of various sundry variables. Further surface drag force, heat and mass transfer rate are sketched and analyzed. Temperature and concentration distributions are declared increasing functions of Hartman number while reverse trend is seen for velocity distribution. Furthermore an enhancement is observed in temperature and concentration distributions for the higher values of thermal and concentration Biot numbers respectively.

Keywords: Third grade fluid; MHD; Nanoparticles; Activation energy; Binary chemical reaction; Numerical solution (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:549:y:2020:i:c:s0378437119322174

DOI: 10.1016/j.physa.2019.124006

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