Natural convection in a stack of horizontal plates in a differentially heated cavity

International audience Natural convection of gas in a differentially heated 2Dcavity partially filled with a stack of horizontal conductingplates is investigated numerically. This specific situationmay be encountered in thermoacoustic wave generators.The thin left and right fluid layers around the s...

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Bibliographic Details
Main Authors: Weisman, Catherine, Baltean, Diana, Duthil, Patxi, Le Quéré, Patrick
Other Authors: Laboratoire d'Informatique pour la Mécanique et les Sciences de l'Ingénieur (LIMSI), Université Paris-Sud - Paris 11 (UP11)-Sorbonne Université - UFR d'Ingénierie (UFR 919), Sorbonne Université (SU)-Sorbonne Université (SU)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Université Paris Saclay (COmUE)
Format: Conference Object
Language:English
Published: HAL CCSD 2008
Subjects:
[PHYS]Physics [physics]
[PHYS.MECA.MEFL]Physics [physics]/Mechanics [physics]/Fluid mechanics [physics.class-ph]
Iceland
Online Access:https://hal.science/hal-01848870
Description
Summary:International audience Natural convection of gas in a differentially heated 2Dcavity partially filled with a stack of horizontal conductingplates is investigated numerically. This specific situationmay be encountered in thermoacoustic wave generators.The thin left and right fluid layers around the stack induceconvective movements which strongly affect thetemperature distribution. In order to predict the actualtemperature field for practical applications, the results areanalysed in terms of convection Darcy type flow througha strongly anisotropic porous medium.

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