Thermophoresis and Brownian Effect for Chemically Reacting Magneto-Hydrodynamic Nanofluid Flow across an Exponentially Stretching Sheet

Mubashar Arshad, Azad Hussain, Ali Hassan, Qusain Haider, Anwar Hassan Ibrahim, Maram S. Alqurashi, Abdulrazak H. Almaliki and Aishah Abdussattar
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Mubashar Arshad: Department of Mathematics, University of Gujrat, Gujrat 50700, Pakistan
Azad Hussain: Department of Mathematics, University of Gujrat, Gujrat 50700, Pakistan
Ali Hassan: Department of Mathematics, University of Gujrat, Gujrat 50700, Pakistan
Qusain Haider: Department of Mathematics, University of Gujrat, Gujrat 50700, Pakistan
Anwar Hassan Ibrahim: Department of Electrical Engineering, College of Engineering, Qassim University, P.O. Box 6677, Buraidah 51452, Saudi Arabia
Maram S. Alqurashi: Department of Mathematics, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
Abdulrazak H. Almaliki: Department of Civil Engineering, College of Engineering, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
Aishah Abdussattar: Department of Mathematics, University of Gujrat, Gujrat 50700, Pakistan

Energies, 2021, vol. 15, issue 1, 1-15

Abstract: This comparative research investigates the influence of a flexible magnetic flux and a chemical change on the freely fluid motion of a (MHD) magneto hydrodynamic boundary layer incompressible nanofluid across an exponentially expanding sheet. Water and ethanol are used for this analysis. The temperature transmission improvement of fluids is described using the Buongiorno model, which includes Brownian movement and thermophoretic distribution. The nonlinear partial differential equalities governing the boundary layer were changed to a set of standard nonlinear differential equalities utilizing certain appropriate similarity transformations. The bvp4c algorithm is then used to tackle the transformed equations numerically. Fluid motion is slowed by the magnetic field, but it is sped up by thermal and mass buoyancy forces and thermophoretic distribution increases non-dimensional fluid temperature resulting in higher temperature and thicker boundary layers. Temperature and concentration, on the other hand, have the same trend in terms of the concentration exponent, Brownian motion constraint, and chemical reaction constraint. Furthermore, The occurrence of a magnetic field, which is aided by thermal and mass buoyancies, assists in the enhancement of heat transmission and wall shear stress, whereas a smaller concentration boundary layer is produced by a first-order chemical reaction and a lower Schmidt number.

Keywords: exponentially stretching surface; fluid; Brownian motion; Buongiorno model; boundary layer (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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