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Influence of Brownian Motion, Thermophoresis and Magnetic Effects on a Fluid Containing Nanoparticles Flowing over a Stretchable Cylinder

Aaqib Majeed, A. Zeeshan

2023Fluid dynamics & materials processing14 citationsDOIOpen Access PDF

Abstract

The influence of Brownian motion and thermophoresis on a fluid containing nanoparticles flowing over a stretchable cylinder is examined. The classical Navier-Stokes equations are considered in a porous frame. In addition, the Lorentz force is taken into account. The controlling coupled nonlinear partial differential equations are transformed into a system of first order ordinary differential equations by means of a similarity transformation. The resulting system of equations is solved by employing a shooting approach properly implemented in MATLAB. The evolution of the boundary layer and the growing velocity is shown graphically together with the related profiles of concentration and temperature. The magnetic field has a different influence (in terms of trends) on velocity and concentration.

Topics & Concepts

ThermophoresisBrownian motionMechanicsCylinderBoundary layerPartial differential equationClassical mechanicsLorentz forceNanofluidPhysicsMatrix similarityNonlinear systemMaterials scienceMagnetic fieldMathematical analysisMathematicsGeometryHeat transferQuantum mechanicsNanofluid Flow and Heat TransferFluid Dynamics and Turbulent FlowsParticle Dynamics in Fluid Flows