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Journal of Porous Media
Fator do impacto: 1.752 FI de cinco anos: 1.487 SJR: 0.43 SNIP: 0.762 CiteScore™: 2.3

ISSN Imprimir: 1091-028X
ISSN On-line: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.v11.i6.20
pages 525-540

Flow and Heat Transfer in a Cylinder with a Porous Medium Insert along the Compression Stroke

Nessrine Zahi
Ecole Nationale d'Ingenieur de Monastir, Laboratoire d'Etude des Systémes Thermiques et Energétiques, Rue Ibn, Eljazar, 5019 Monastir, Tunisie
A. Boughamoura
Laboratoire d'Etudes des Systèmes Thermiques et Energétiques, Ecole Nationale d'Ingénieurs de Monastir, Rue Ibn Eljazzar, 5019 Monastir, Tunisie
Dhahri Hacen
National school of Engineers Laboratory of Thermal and Energy Systems Studies Monastir University, Ibn Eljazzar Street, 5019 Monastir, Tunisia
Sassi Ben Nasrallah
Laboratoire d'Études des Systèmes Thermiques et Énergétiques, Ecole Nationale d'Ingénieurs de Monastir, Monastir 5019 Tunisie

RESUMO

A numerical study of a laminar piston-driven flow and heat transfer is made in a cylinder partially filled with a laterally heated saturated porous medium. The Brinkman-Lapwood-Forchheimer-extended Darcy model, with variable porosity, is used in the compressible momentum equations. For the energy equation, the local thermal equilibrium assumption is used between the fluid and the solid phases. Numerical solutions are obtained during the compression stroke. Flow and temperature fields are examined over ranges of the principal parameters, i.e., the Reynolds number, the Darcy number, the porous medium length, the heat capacity ratio, and the thermal conductivity ratio.


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