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Impacts of Stefan blowing and mass convention on flow of Maxwell nanofluid of variable thermal conductivity about a rotating disk

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Abstract Current study investigates the incompressible hydromagnetic flow of Maxwell nanofluid. The fluid motion is caused by the stretchable rotating disk. Buongiorno model of nanofluid theory is acquired in flow… Click to show full abstract

Abstract Current study investigates the incompressible hydromagnetic flow of Maxwell nanofluid. The fluid motion is caused by the stretchable rotating disk. Buongiorno model of nanofluid theory is acquired in flow model. Cattaneo-Christov double-diffusive theory along with temperature dependent thermal conductivity is main features of the constitutive equations. The governing equations are influenced by Stefan blowing and mass convection effects. The dimensionalized form of flow equations is obtained by elaborating appropriate similarity functions. The solution of resultant governing system is obtained by Runge-Kutta-Fehlberg (RKF) shooting technique. The results of dimensionless quantities are discussed on flow, concentration and temperature quantities. The graphical representation of Nusselt and Sherwood numbers is also presented against selected physical variables. The numerical results predicted that an increment in Deborah number has the tendency to reduce the radial curves. Temperature field is declined due to enlarge values of thermal relaxation time parameter. Increased thermophoretic parameter resulted into a decrement of Sherwood number. Excellent comparison is established through tabular description to validate the adopted numerical procedure.

Keywords: maxwell nanofluid; stefan blowing; rotating disk; blowing mass; thermal conductivity; flow maxwell

Journal Title: Chinese Journal of Physics
Year Published: 2021

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