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Approximate Emissivity Calculations for Polyatomic Molecules. I. CO_2

Penner, S. S. (1954) Approximate Emissivity Calculations for Polyatomic Molecules. I. CO_2. Journal of Applied Physics, 25 (5). pp. 660-667. ISSN 0021-8979. http://resolver.caltech.edu/CaltechAUTHORS:20100622-165045361

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Abstract

Approximate emissivity calculations for CO_2 have been carried out, as a function of optical density, at 300 and at 600°K. The calculations involve the assumption that the rotational lines overlap extensively. This condition appears to be satisfied at total pressures above about 1 atmos. Comparison of the values calculated from spectroscopic data with the emissivities tabulated by Hottel and his collaborators shows satisfactory agreement. The analysis presented in this manuscript emphasizes the fact that it is possible to obtain reasonable estimates for the engineering emissivity without performing extensive analytical work, provided the physical principles are understood and the needed spectroscopic data are available.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1063/1.1721706DOIUNSPECIFIED
http://link.aip.org/link/JAPIAU/v25/i5/p660/s1PublisherUNSPECIFIED
Additional Information:© 1954 American Institute of Physics. Received March 9, 1953. Supported by the U. S. Office of Naval Research under Contract Nonr-220(03), NR 015 210.
Group:Guggenheim Jet Propulsion Center
Funders:
Funding AgencyGrant Number
Office of Naval ResearchNonr-220(03), NR 015 210
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Guggenheim Jet Propulsion Center55
Record Number:CaltechAUTHORS:20100622-165045361
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20100622-165045361
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:18768
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:23 Jun 2010 14:55
Last Modified:26 Dec 2012 12:09

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