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Entropy optimization and Sisko material flow with nonlinear radiative heat flux and heat source/sink

  • T. Hayat
  • M. Waleed Ahmed Khan
  • M. Ijaz Khan
  • A. Alsaedi
Technical Paper

Abstract

The present article illustrates the salient features of entropy optimization for flow of Sisko fluid. Fluid motion in this problem is due to rotating stretchable disk. The fluid properties are discussed in the presence of nonlinear mixed convection, Brownian motion and viscous dissipation. Entropy generation is calculated and analyzed graphically. Heat transfer is analyzed for nonlinear thermal radiation, thermophoresis parameter and heat source/sink. These governing equations are tackled for convergent series solutions. Results are shown graphically. Comparison has been made with the existing literature in the limiting cases.

Keywords

Sisko fluid Rotating stretchable disk Nonlinear thermal radiation and heat source/sink Nonlinear mixed convection Brownian motion and thermophoresis forces Entropy generation 

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Copyright information

© The Brazilian Society of Mechanical Sciences and Engineering 2018

Authors and Affiliations

  • T. Hayat
    • 1
    • 2
  • M. Waleed Ahmed Khan
    • 1
  • M. Ijaz Khan
    • 1
  • A. Alsaedi
    • 2
  1. 1.Department of MathematicsQuaid-I-Azam UniversityIslamabadPakistan
  2. 2.Nonlinear Analysis and Applied Mathematics (NAAM) Research Group, Department of Mathematics, Faculty of ScienceKing Abdulaziz UniversityJeddahSaudi Arabia

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