Exclusion of oscillations in heterogeneous and bi-composite media thermal conduction

Peter Vadasz

doi:10.1016/j.ijheatmasstransfer.2006.05.034

Exclusion of oscillations in heterogeneous and bi-composite media thermal conduction

Peter Vadasz

Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

Analysis of Fourier heat conduction in heterogeneous and bi-composite media (e.g. porous media, fluid suspensions, etc.) subject to Lack of Local Thermal Equilibrium (LaLotheq) reveals a condition for thermal oscillations and resonance to be possible. This paper shows that this condition cannot be fulfilled because of physical constraints leading to the exclusion of thermal waves and resonance.

Original language	English (US)
Pages (from-to)	4886-4892
Number of pages	7
Journal	International Journal of Heat and Mass Transfer
Volume	49
Issue number	25-26
DOIs	https://doi.org/10.1016/j.ijheatmasstransfer.2006.05.034
State	Published - Dec 1 2006

Keywords

Bi-composite media
Heterogeneous media
LaLotheq
Local thermal equilibrium
Local thermal non-equilibrium
Lotheq
Porous media conduction
Thermal waves

ASJC Scopus subject areas

Condensed Matter Physics
Mechanical Engineering
Fluid Flow and Transfer Processes

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10.1016/j.ijheatmasstransfer.2006.05.034

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abstract = "Analysis of Fourier heat conduction in heterogeneous and bi-composite media (e.g. porous media, fluid suspensions, etc.) subject to Lack of Local Thermal Equilibrium (LaLotheq) reveals a condition for thermal oscillations and resonance to be possible. This paper shows that this condition cannot be fulfilled because of physical constraints leading to the exclusion of thermal waves and resonance.",

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AB - Analysis of Fourier heat conduction in heterogeneous and bi-composite media (e.g. porous media, fluid suspensions, etc.) subject to Lack of Local Thermal Equilibrium (LaLotheq) reveals a condition for thermal oscillations and resonance to be possible. This paper shows that this condition cannot be fulfilled because of physical constraints leading to the exclusion of thermal waves and resonance.

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KW - Local thermal equilibrium

KW - Local thermal non-equilibrium

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KW - Porous media conduction

KW - Thermal waves

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JF - International Journal of Heat and Mass Transfer

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