Estimation of the radiation source term with a conjugate-gradient method of inverse analysis

The conjugate-gradient method of inverse analysis using an adjoint function approach is presented for the solution of an inverse radiation problem for estimating the source term from measured exit radiation intensities in a plane-parallel slab. The advantage of the method is that the inverse problem...

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Bibliographic Details
Published in:Journal of quantitative spectroscopy & radiative transfer 1992-09, Vol.48 (3), p.237-244
Main Authors: Li, H.Y., Ozisik, M.N.
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Heat transfer
Optics
Physical Sciences
Physics
Science & Technology
Spectroscopy
Technology
Thermal radiation
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Summary:The conjugate-gradient method of inverse analysis using an adjoint function approach is presented for the solution of an inverse radiation problem for estimating the source term from measured exit radiation intensities in a plane-parallel slab. The advantage of the method is that the inverse problem is solved as an optimization problem in function space with no prior information on the functional form of the unknown source term.
ISSN:0022-4073
1879-1352
DOI:10.1016/0022-4073(92)90013-T