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Entropy Generation and Mixed Convection of a Nanofluid in a 3D Wave Tank with Rotating Inner Cylinder

Author

Listed:
  • Ammar I. Alsabery

    (Refrigeration & Air-Conditioning Technical, Engineering Department, The Islamic University, Najaf 540011, Iraq)

  • Mohammed J. Alshukri

    (Department of Mechanical Engineering, Faculty of Engineering, Kufa University, Najaf 54002, Iraq)

  • Nasr A. Jabbar

    (Department of Mechanical Engineering, Faculty of Engineering, Kufa University, Najaf 54002, Iraq)

  • Adel A. Eidan

    (Najaf Technical College, Al-Furat Al-Awsat Technical University, Najaf 540011, Iraq)

  • Ishak Hashim

    (Department of Mathematical Sciences, Faculty of Science & Technology, Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia)

Abstract

The generation of entropy and mixed convection in a nanofluid-filled 3D wavy tank containing a rotating cylinder is investigated. The top wavy surface of the tank is heated and all vertical surfaces are assumed to be adiabatic, while the bottom horizontal surface remains isothermally cold. The tank contains a solid cylinder and is saturated with an Al 2 O 3 –water nanofluid. The numerical simulations using the FEM are performed for the Richardson number ( 0.01 ≤ R i ≤ 100 ), nanoparticle volume fraction ( 0 ≤ ϕ ≤ 0.04 ) and number of oscillations ( 0 ≤ N ≤ 4 ). The numerical results of the present work are given in terms of 3D streamlines, isotherms and local entropy generation, as well as average heat transfer and Bejan number. The results show that for low values of the Richardson number and oscillation, heat transfer enhancement can be achieved by increasing the nanoparticle volume fraction.

Suggested Citation

  • Ammar I. Alsabery & Mohammed J. Alshukri & Nasr A. Jabbar & Adel A. Eidan & Ishak Hashim, 2022. "Entropy Generation and Mixed Convection of a Nanofluid in a 3D Wave Tank with Rotating Inner Cylinder," Energies, MDPI, vol. 16(1), pages 1-12, December.
    • Handle: RePEc:gam:jeners:v:16:y:2022:i:1:p:244-:d:1015121
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    References listed on IDEAS

    as
    1. Umar Nazir & Muhammad Sohail & Muhammad Bilal Hafeez & Marek Krawczuk, 2021. "Significant Production of Thermal Energy in Partially Ionized Hyperbolic Tangent Material Based on Ternary Hybrid Nanomaterials," Energies, MDPI, vol. 14(21), pages 1-20, October.
    2. Nazir, U. & Saleem, S. & Nawaz, M. & Sadiq, Muhammad Adil & Alderremy, A.A., 2020. "Study of transport phenomenon in Carreau fluid using Cattaneo–Christov heat flux model with temperature dependent diffusion coefficients," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 554(C).
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