On the transient radiative transfer in a one-dimensional planar medium subjected to radiative equilibrium

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The transient radiative heat transfer in one-dimensional slabs separated by a participating media is investigated with the finite volume method (FVM). Especially, the transient behavior of the absorbing, emitting, and isotropically scattering medium in radiative equilibrium is examined in terms of temporal and spatial evolutions of the incident radiation, radiative heat flux, and temperature of the medium. Commonly used convection schemes in computational fluid dynamics (CFD) such as step, diamond, 2nd order upwind, QUICK, and CLAM are introduced to capture the physics of the radiative wave propagation. After mathematical formulations for the transient radiative transfer equation (TRTE) are derived, corresponding final discretization equations are summarized by treating the convection terms with a simple step scheme. The present approach is then validated by comparing with published data, and applied to problems of participating medium in cold or radiative equilibrium subjected to continuous diffuse and collimated irradiation. It is found that when the medium is in radiative equilibrium the temporal and spatial evolutions of the radiative behavior is quite different from those in the cold medium. (C) 2010 Elsevier Ltd. All rights reserved.
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
2010-12
Language
English
Article Type
Article
Keywords

FINITE-VOLUME METHOD; DISCRETE ORDINATES METHOD; MONTE-CARLO SIMULATION; HEAT-TRANSFER; PARTICIPATING MEDIUM; SCATTERING MEDIA; RECTANGULAR ENCLOSURE; LASER TRANSPORT; ELEMENT METHOD; TURBID MEDIA

Citation

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, v.53, no.25-26, pp.5682 - 5691

ISSN
0017-9310
DOI
10.1016/j.ijheatmasstransfer.2010.08.014
URI
http://hdl.handle.net/10203/99786
Appears in Collection
AE-Journal Papers(저널논문)
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