TECHNICAL PAPERS: Radiative Transfer

Determination of Planck Mean Absorption Coefficients for HBr, HCl, and HF

[+] Author and Article Information
S. P. Fuss

Bureau of Alcohol, Tobacco, and Firearms, Fire Research Laboratory, Rockville, MD 20850

A. Hamins

Building and Fire Research Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899-8663

J. Heat Transfer 124(1), 26-29 (May 04, 2001) (4 pages) doi:10.1115/1.1416689 History: Received September 26, 2000; Revised May 04, 2001
Copyright © 2002 by ASME
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Grahic Jump Location
Calculated values of Planck mean absorption coefficient for CO. Values calculated in the present study using Eqs. (1) and (3456) are labeled “Present Study”. Data labeled “RADCAL Fit” is a polynomial expression from 17. Data labeled “Integrated Intensity 518” and “Integrated Intensity 11” are calculated using Eq. (7) with data from 518 and 11, respectively.
Grahic Jump Location
Calculated values of Planck mean absorption coefficient for HBr, HCl, HF, and CO. Calculations are based on Eqns. (1) and (3)–(6) with data from the 1996 edition of the HITRAN molecular database 11. The following symbols are used to identify individual species: HBr (□), HCl (▵), HF (○), and CO (⋄). Polynomial expressions from Eq. (8) are represented by solid lines through the points.
Grahic Jump Location
Spectral transmittance, τλ, of the rotational and fundamental vibration-rotation HBr, HCL, HF, and CO bands for the condition T=300 K is plotted on the left vertical axis. The spectral blackbody emissive power, normalized by σT4, is plotted on the right vertical axis for temperatures of 300 K, 700 K, and 1100 K.




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