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Optimizing thermal performance in a non-Darcy porous ventilated cavity with heated diagonal baffles of varied heights

Author

Listed:
  • P. Gokulavani

    (Department of Mathematics, Bharathiar University, Coimbatore 641046, Tamilnadu, India)

  • S. Sureshkumar

    (��Department of Mathematics, Saveetha Engineering College, Chennai - 602105, India)

  • S. Muthukumar

    (��Department of Mathematics, K. S. Rangasamy College of Technology, Tiruchengode 637215, Tamilnadu, India)

  • M. Muthtamilselvan

    (Department of Mathematics, Bharathiar University, Coimbatore 641046, Tamilnadu, India)

  • Qasem M. Al-Mdallal

    (�Department of Mathematical Sciences, United Arab Emirates University, P. O. Box 15551 Al Ain, Abu Dhabi, United Arab Emirates)

Abstract

This study investigates the convection effects of adding non-Darcy porous media to open enclosures with diagonally placed hot baffles near the open ports. The cold wall is fixed at the right side of the cavity. The remaining sidewalls are adiabatic. The fluid enters the enclosure from the inlet in the left vertical wall and leaves from an outlet at the right vertical wall. The finite difference method is employed to discretize the governing equations. The problem is analyzed for various parameters, Rayleigh number (104≤Ra≤106), length of heating baffles (15%≤hb≤35%), porosity of the porous medium (0.4≤ϵ≤0.8), Reynolds number (10≤Re≤100) and Darcy number (10−4≤Da≤10−2) at alternate configured vented cavities and the results are illustrated graphically. The observation shows maximum heat transfer attained at BT open enclosure regardless of various parameters. For Ra=106, considerable increase in the heat transfer occurs at the right sidewall when the porosity of porous medium increases. The impact of configurations on heat transfer along the right wall is negligible at low Reynolds numbers but becomes significant at high Reynolds numbers.

Suggested Citation

  • P. Gokulavani & S. Sureshkumar & S. Muthukumar & M. Muthtamilselvan & Qasem M. Al-Mdallal, 2025. "Optimizing thermal performance in a non-Darcy porous ventilated cavity with heated diagonal baffles of varied heights," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 36(09), pages 1-21, September.
    • Handle: RePEc:wsi:ijmpcx:v:36:y:2025:i:09:n:s0129183125500081
    DOI: 10.1142/S0129183125500081
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