The one-dimensional transient radiative transfer problem in the Cartesian coordinate system — an absorbing and scattering medium illuminated by a short laser pulse — is solved by the use of time and frequency-domain approaches. In both cases, a Discrete Ordinates–Finite Volume method is adopted. Results for transmittance show that even if high order spatial schemes coupled with flux limiters can minimize the non-physical results associated with the temporal approach (transmitted flux emerging earlier than the minimal time required by the radiation to leave the medium), early transmitted radiation are always present. Transmittances obtained from the space-frequency method are more accurate, without unrealistic behaviors at early time periods. However, the frequency-dependent approach is computationally expensive with respect to its temporal counterpart, and the implementation of a Fast Fourier Transform algorithm is therefore considered. Finally, promising applications regarding optical diagnosis of absorbing and scattering media, using the radiation transport equation in the space-frequency domain, are briefly discussed.
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ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems
July 17–22, 2005
San Francisco, California, USA
Conference Sponsors:
- Heat Transfer Division and Electronic and Photonic Packaging Division
ISBN:
0-7918-4734-9
PROCEEDINGS PAPER
Numerical Solutions of Transient Radiative Transfer Using Time and Frequency-Domain Approaches Available to Purchase
Mathieu Francoeur,
Mathieu Francoeur
Universite´ du Que´bec a` Rimouski, Le´vis, QC, Canada
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Daniel R. Rousse
Daniel R. Rousse
Universite´ du Que´bec a` Rimouski, Le´vis, QC, Canada
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Mathieu Francoeur
Universite´ du Que´bec a` Rimouski, Le´vis, QC, Canada
Daniel R. Rousse
Universite´ du Que´bec a` Rimouski, Le´vis, QC, Canada
Paper No:
HT2005-72734, pp. 257-265; 9 pages
Published Online:
March 9, 2009
Citation
Francoeur, M, & Rousse, DR. "Numerical Solutions of Transient Radiative Transfer Using Time and Frequency-Domain Approaches." Proceedings of the ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems. Heat Transfer: Volume 4. San Francisco, California, USA. July 17–22, 2005. pp. 257-265. ASME. https://doi.org/10.1115/HT2005-72734
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