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Entropy generation analysis of Falkner–Skan flow of Maxwell nanofluid in porous medium with temperature-dependent viscosity by Ajeet Kumar Verma; Anil Kumar Gautam; Krishnendu Bhattacharyya; Ioan Pop is a Physics and Astronomy article available to read on EtoBox.

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Entropy generation analysis in steady two-dimensional, viscous, incompressible forced convective Falkner-Skan flow of Maxwell nanofluid over a static wedge embedded in a porous medium with temperaturedependent viscosity is examined. The Buongiorno's model has been utilised, to get the flow governing higher-order coupled nonlinear partial differential equations (PDEs) from mass, momentum, energy and concentration conservations. Suitable transformations have been done to convert governing PDEs into the coupled non-linear ODEs along with no-slip boundary conditions, which are then solved using the MATLAB programme bvp4c. The influences of diverse flow governing parameters on various flow properties and quantities of physical interest are displayed in graphical mode and discussed. It is found that entropy generation reduces only with Eckert number (Ec), while more entropy is generated for pressure gradient parameter (m), local Deborah number (β), variable viscosity parameter (δ) and permeability parameter (K ). Entropy generation due to heat transfer irreversibility is prominent with increase in m and δ, but it is not so for other parameters. The drag force on the wedge surface become

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Author

Ajeet Kumar Verma; Anil Kumar Gautam; Krishnendu Bhattacharyya; Ioan Pop

Publisher

Springer Science and Business Media LLC

Published

2021

Language

EN

Field

Physics and Astronomy (Physical Sciences)