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Journal of Porous Media

Publicado 12 números por año

ISSN Imprimir: 1091-028X

ISSN En Línea: 1934-0508

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NUMERICAL STUDY ON NATURAL CONVECTION AND ENTROPY GENERATION INSIDE A FLUID SATURATED SQUARE POROUS ENCLOSURE WITH NONUNIFORM HEATING FROM TOP

Volumen 25, Edición 1, 2022, pp. 83-102
DOI: 10.1615/JPorMedia.2021039355
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Saddam Hossain Mullick
Department of Mechanical Engineering, NIT Sikkim, Ravangla, South Sikkim 737139, India
Debabrata DasGupta
Department of Mechanical Engineering, IIT Delhi, Hauz Khas, New Delhi, 110006, India
Pranab Kumar Kundu
Department of Mechanical Engineering, MNNIT Allahabad, Uttar Pradesh 211004, India

SINOPSIS

Theoretical investigation on buoyancy actuated thermal flow behavior inside fluid-saturated porous enclosure has been performed, where sinusoidal heating is applied from the top surface, which finds significant applications in the glass industries. Results are obtained with the help of stream function, isotherms, Nusselt number, and entropy generation. The key parameters for this study are the Rayleigh number (103 ≤ Ra ≤ 106), Darcy number (10-4 ≤ Da ≤ 10-1), Prandtl number (0.7 ≤ Pr ≤ 1000), and phase shift angle (0° ≤ φ ≤ 90°). It can be noticed that the flow dynamics drastically alters with Ra, Da, Pr, and φ, and the fluid friction irreversibility is greater in the convection dominating regime.

PALABRAS CLAVE: natural convection, Rayleigh number, Darcy number, periodic heating, entropy generation, Nusselt number
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CITADO POR

  1. Mullick Saddam Hossain, Dasgupta Debabrata, Kundu Pranab Kumar, Influence of lower period of heating and high buoyancy inside fluid saturated porous enclosure on transient natural convection, Sādhanā, 47, 3, 2022. Crossref

  2. Mullick Saddam Hossain , DasGupta Debabrata , Kundu Pranab Kumar, NUMERICAL EXAMINATION OF NATURAL CONVECTION AND ENTROPY FORMATION INSIDE AIR-SATURATED POROUS ENCLOSURE TO CREATE THERMALLY ACTIVE REGION WITH PERIODIC HEATING/COOLING , Journal of Porous Media, 25, 9, 2022. Crossref

  3. Baadj Salim , Mir Hamed, Abderrahmane Aissa , Siavashi Majid , Moria Hazim , Mohammed Sahnoun , Koulali Aimad , THREE-DIMENSIONAL NUMERICAL INVESTIGATION OF MHD NANOFLUID CONVECTIVE HEAT TRANSFER INSIDE A CUBIC POROUS CONTAINER WITH CORRUGATED BOTTOM WALL , Journal of Porous Media, 25, 12, 2022. Crossref

  4. Mullick Saddam Hossain, DasGupta Debabrata, Kundu Pranab Kumar, Numerical investigation on natural convection inside closed cavity to create thermally active region with periodic heating/cooling, Journal of Thermal Analysis and Calorimetry, 147, 23, 2022. Crossref

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