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Computational Thermal Sciences: An International Journal

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ISSN Imprimer: 1940-2503

ISSN En ligne: 1940-2554

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MHD FREE CONVECTION AND SINUSOIDAL HEATING IN A WAVY CAVITY FILLED WITH A HEAT-GENERATING POROUS MEDIUM USING CU-WATER NANOFLUIDS

Volume 12, Numéro 3, 2020, pp. 217-232
DOI: 10.1615/ComputThermalScien.2020030316
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RÉSUMÉ

In this paper, effects of an inclined magnetic field and internal heat generation on free convective flow in a sinusoidal heated wavy cavity filled with a heat-generating porous medium utilizing Cu-water nanofluids are examined. The governing equations and boundary conditions are converted to dimensionless forms in a stream function formula and solved numerically using an implicit finite-difference method. The outcomes are represented in terms of the streamlines, isotherms, and local Nusselt numbers at the sinusoidal heated and wavy walls. The flow field and temperature distributions in the cavity are affected by the waviness of the right wall. Also, it is found that the local Nusselt numbers at the left and right walls decrease as the Hartmann number increases, regardless of the values of the inclination angle. In addition, the increase in the amplitude parameter A causes an increase in the local Nusselt number at the left wall while the local Nusselt number at the wavy wall decreases. Moreover, the absolute value of the stream function decreases by 31.8% as the undulation parameter increases from 1 to 5.

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CITÉ PAR
  1. Pattanavanitkul Pornthep, Pakdee Watit, Parametric Study of Unsteady Flow and Heat Transfer of Compressible Helium–Xenon Binary Gas through a Porous Channel Subjected to a Magnetic Field, Fluids, 6, 11, 2021. Crossref

  2. Fayz-Al-Asad Md., Yavuz Mehmet, Alam Md. Nur, Sarker Md. Manirul Alam, Bazighifan Omar, Influence of Fin Length on Magneto-Combined Convection Heat Transfer Performance in a Lid-Driven Wavy Cavity, Fractal and Fractional, 5, 3, 2021. Crossref

  3. Shaik Jakeer, Polu Bala Anki Reddy, Mohamed Ahmed Mansour, Ahmed Mohamed Rashad, Characteristics of moving hot block and non-Fourier heat flux model on sinusoidal wavy cavity filled with hybrid nanofluid, The European Physical Journal Plus, 137, 1, 2022. Crossref

  4. Fayz-Al-Asad Md., Nur Alam Md., Rashad A.M., Manirul Alam Sarker Md., Impact of undulation on magneto-free convective heat transport in an enclosure having vertical wavy sides, International Communications in Heat and Mass Transfer, 127, 2021. Crossref

  5. Alshare Aiman, Abderrahmane Aissa, Guedri Kamel, Younis Obai, Fayz-Al-Asad Muhammed, Ali Hafiz Muhammed, Al-Kouz Wael, Hydrothermal and Entropy Investigation of Nanofluid Natural Convection in a Lid-Driven Cavity Concentric with an Elliptical Cavity with a Wavy Boundary Heated from Below, Nanomaterials, 12, 9, 2022. Crossref

  6. Srinivasacharya Darbhasayanam, Barman Dipak , INFLUENCE OF MAGNETIC FIELD ON THE STABILITY OF DOUBLE DIFFUSIVE NANOFLUID CONVECTION IN A VERTICAL HOMOGENEOUS POROUS CHANNEL , Journal of Porous Media, 25, 9, 2022. Crossref

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