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Band models and correlations for infrared radiationAbsorption of infrared radiation by various line and band models are briefly reviewed. Narrow band model relations for absorptance are used to develop 'exact' formulations for total absorption by four wide band models. Application of a wide band model to a particular gas largely depends upon the spectroscopic characteristic of the absorbing-emitting molecule. Seven continuous correlations for the absorption of a wide band model are presented and each one of these is compared with the exact (numerical) solutions of the wide band models. Comparison of these results indicate the validity of a correlation for a particular radiative transfer application. In radiative transfer analyses, use of continuous correlations for total band absorptance provides flexibilities in various mathematical operations.
Document ID
19750048818
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Tiwari, S. N.
(Old Dominion University Newport News, Va., United States)
Date Acquired
August 8, 2013
Publication Date
May 1, 1975
Subject Category
Optics
Report/Patent Number
AIAA PAPER 75-699
Meeting Information
Meeting: American Institute of Aeronautics and Astronautics, Thermophysics Conference
Location: Denver, CO
Start Date: May 27, 1975
End Date: May 29, 1975
Sponsors: American Institute of Aeronautics and Astronautics
Accession Number
75A32890
Funding Number(s)
CONTRACT_GRANT: NAS1-11707-62
Distribution Limits
Public
Copyright
Other

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