Three-dimensional non-grey gas radiative transfer analyses using the statistical narrow-band model

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TypeArticle
Journal titleRev. Gén. Therm.
Volume37
Pages759768; # of pages: 10
SubjectNon-grey gas radiation; Statistical narrow-band model; Low-resolution spectral radiation intensity; Ray-tracing; Discrete-ordinates method; Correlated and non-correlated formulation; Grey-band approximation
AbstractThree-dimensional non-grey gas radiation analyses were conducted using the statistical narrow-band model with updated band parameters and three implementation methods: the exact or the correlated formulation, the non-correlated expression, and the grey-band approximation with the absorption coefficient estimated using the local properties. The accuracy of the integrated radiative source term and wall heat flux in a rectangular enclosure containing (1) isothermal pure water and (2) a CO2/H2O/N2 mixture with a furnace type gas temperature distribution. For spectrally integrated quantities, results of the grey-band approximation are very close to those of the non-correlated formulation and are in qualitative agreement with the results of the correlated formulation. The two approximate methods are capable of predicting qualitatively correct and fairly accurate distributions of low-resolution spectral radiation intensities for the isothermal case. However, they predict less accurate low-resolution spectral intensities for the non-isothermal case.
Publication date
LanguageEnglish
AffiliationNRC Institute for Chemical Process and Environmental Technology; National Research Council Canada (NRC-CNRC)
Peer reviewedNo
NRC number51572
NPARC number8894815
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Record identifier36385baa-41e2-4a21-bfe5-82dbcbc050c7
Record created2009-10-03
Record modified2016-05-09
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