An approximate data base of H2O infrared lines for high temperature applications at low resolution: Statistical narrow-band model parameters

Details An approximate data base of H2O infrared lines for high temperature applications at low resolution: Statistical narrow-band model parameters An approximate data base of H2O infrared lines for high temperature applications at low resolution: Statistical narrow-band model parameters

Feb 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995jqsrt..53..221r&link_type=abstract

Journal of Quantitative Spectroscopy & Radiative Transfer (ISSN 0022-4073), vol. 53, no. 2, p. 221-234

Statistics

Applications

13

Data Bases, Emission Spectra, Emissivity, Infrared Spectra, Line Spectra, Rotational States, Statistical Analysis, Vibrational Spectra, Water Vapor, Mathematical Models, Standard Deviation, Vibrational States, Wavelengths

Scientific paper

An approximate spectroscopic H2O data base suitable for high temperatures and a few tens/cm spectral resolution applications has been developed as an extrapolation of HITRAN92 and Flaud and Camy-Peyret bases for the spectral and temperature ranges 150-9000/cm and 300-2500 K, respectively. The energies of high rovibrational levels have been extrapolated by using analytical expressions derived from Tyuterev's Hamiltonian. The intensities of lines issued from the fundamental vibrational level and from high rotational levels have been extrapolated empirically. The intensities of lines issued from other vibrational levels are calculated from the intensities of the corresponding lines issued from the fundamental vibrational level by using the independent rigid harmonic oscillator approach. Satisfactory agreement between line-by-line calculations based on the extended data base and experimental data is obtained. Statistical narrow-band model parameters have been adjusted using line-by-line calculations; they are available under request.

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