Journal
PROPULSION AND POWER RESEARCH
Volume 8, Issue 4, Pages 339-350Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jppr.2019.10.002
Keywords
MHD 3D flow; ZnO-SAE50nano-lubricant; Exponential stretching sheet; Convective heating mechanism; Thermal radiation; Heat generation/absorption
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A numerical simulation is presented to investigate the effect of an exponentially varying magnetic field on three dimensional flow of Zinc Oxide-Society of Automotive Engineers 50 nanolubricant (ZnO-SAE50nano-lubricant) past a stretching sheet. Subsequently the impact of homogenous and heterogeneous reactions on the flow of nanolubricant concerned has also taken into account. The study has been strengthened by introducing the convection mechanism and the effect of thermal radiation. Similarity transformations are employed to transform the set of partial governing equations into the set of ordinary differential equations. The suitable boundary conditions are used to obtain the numerical solution. The numerical results are simulated using Matlab bvp4c solver and validated with the existing results. The flow characteristics, thermal characteristics, nanoparticle concentration and some non-dimensional numbers are computed under the influence of the pertinent parameters. The valuable outcome of the current study is that augmented magnetic field strength is the root cause of diminishing axial as well as transverse velocities and growing trend of fluid temperature. Also, the coefficients of homogenous and heterogeneous reactions are boons for ascending concentration boundary layer. (C) 2019 Beihang University. Production and hosting by Elsevier B.V. on behalf of KeAi.
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