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Effects of Entropy Generation, Thermal Radiation and Moving-Wall Direction on Mixed Convective Flow of Nanofluid in an Enclosure

Author

Listed:
  • Sivasankaran Sivanandam

    (Department of Mathematics, King Abdulaziz University, Jeddah 21589, Saudi Arabia)

  • Ali J. Chamkha

    (Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam
    Institute of Theoretical and Applied Research (ITAR), Duy Tan University, Hanoi 100000, Vietnam)

  • Fouad O. M. Mallawi

    (Department of Mathematics, King Abdulaziz University, Jeddah 21589, Saudi Arabia)

  • Metib S. Alghamdi

    (Mathematics Department, King Khalid University, Abha 61421, Saudi Arabia)

  • Aisha M. Alqahtani

    (Mathematics Department, Princess Nourah bint Abdulrahman University, Riyadh 84428, Saudi Arabia)

Abstract

A numeric investigation is executed to understand the impact of moving-wall direction, thermal radiation, entropy generation and nanofluid volume fraction on combined convection and energy transfer of nanoliquids in a differential heated box. The top wall of the enclosed box is assumed to move either to the left or the right direction which affects the stream inside the box. The horizontal barriers are engaged to be adiabatic. The derived mathematical model is solved by the control volume technique. The results are presented graphically to know the impact of the dissimilar ways of moving wall, Richardson number, Bejan number, thermal radiation, cup mixing and average temperatures. It is concluded that the stream and the thermal distribution are intensely affected by the moving-wall direction. It is established that the thermal radiation enhances the convection energy transport inside the enclosure.

Suggested Citation

  • Sivasankaran Sivanandam & Ali J. Chamkha & Fouad O. M. Mallawi & Metib S. Alghamdi & Aisha M. Alqahtani, 2020. "Effects of Entropy Generation, Thermal Radiation and Moving-Wall Direction on Mixed Convective Flow of Nanofluid in an Enclosure," Mathematics, MDPI, vol. 8(9), pages 1-19, September.
    • Handle: RePEc:gam:jmathe:v:8:y:2020:i:9:p:1471-:d:407084
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    References listed on IDEAS

    as
    1. M. Saleem & M. A. Hossain & Suvash C. Saha & Y. T. Gu, 2014. "Heat Transfer Analysis of Viscous Incompressible Fluid by Combined Natural Convection and Radiation in an Open Cavity," Mathematical Problems in Engineering, Hindawi, vol. 2014, pages 1-14, June.
    2. M. Bhuvaneswari & Poo Balan Ganesan & S. Sivasankaran & K. K. Viswanathan, 2015. "Effect of Variable Fluid Properties on Natural Convection of Nanofluids in a Cavity with Linearly Varying Wall Temperature," Mathematical Problems in Engineering, Hindawi, vol. 2015, pages 1-13, February.
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