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Entropy generation optimization in nanofluid flow by variable thicked sheet

Author

Listed:
  • Hayat, T.
  • Yaqoob, Rabiya
  • Qayyum, Sumaira
  • Alsaedi, A.

Abstract

Present research deals with optimization of entropy generation analysis of tangent hyperbolic nanomaterial. Mixed convection is nonlinear. Flow by nonlinear stretching sheet of variable thickness is induced. Homogeneous and heterogeneous reactions are considered. Present MHD flow analysis involved Joule heating, nonlinear mixed convection, viscous dissipation and nonlinear thermal radiation. The reduced nonlinear systems are presented in terms of ordinary differential systems. Solutions computations have been carried out by homotopic procedure. The quantities like entropy generation, thermal field, velocity and concentration are examined. Numerical values further interpret the skin friction coefficient and local Nusselt number. Increasing trend of concentration is seen for larger heterogeneous reaction parameter. Entropy number decreases for larger Weissenberg number and power law index while contrast trend is witnessed for Bejan number.

Suggested Citation

  • Hayat, T. & Yaqoob, Rabiya & Qayyum, Sumaira & Alsaedi, A., 2020. "Entropy generation optimization in nanofluid flow by variable thicked sheet," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 551(C).
    • Handle: RePEc:eee:phsmap:v:551:y:2020:i:c:s0378437119322253
    DOI: 10.1016/j.physa.2019.124022
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    References listed on IDEAS

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    1. Hsiao, Kai-Long, 2017. "To promote radiation electrical MHD activation energy thermal extrusion manufacturing system efficiency by using Carreau-Nanofluid with parameters control method," Energy, Elsevier, vol. 130(C), pages 486-499.
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