Simple modelling of Q-branch absorption-III. Pressure, temperature, and perturber dependences in the 2v6 Q-branch of 12CH35ClF (HCFC-22)

Ghislain Blanquet, J. Walrand, J.-M. Hartmann, J.-P. Bouanich

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    Résumé

    The simple approach developed in a previous paper in order to model absorption by Q -branches is applied to the 2v Q-branch of CHClF (HCFC-22). Measurements have been made using a tunable diode laser for pure HCFC-22 and mixtures with N and O. The pressures and temperatures investigated, which are suitable for atmospheric applications, range from 0.05 to 1.0 atm and from 200 to 300 K, respectively. It is shown that our model enables satisfactory prediction of both the pressure, temperature, and wavenumber dependences of absorption with eleven effective parameters which have been deduced from measured spectra. Their values are in satisfactory agreement with results from other sources. The model proposed can also accurately predict spectra measured by other authors as well as correctly compute atmospheric transmission.
    langue originaleAnglais
    Pages (de - à)289-305
    Nombre de pages17
    journalJournal of Quantitative Spectroscopy and Radiative Transfer
    Volume55
    Numéro de publication3
    Les DOIs
    Etat de la publicationPublié - 1 mars 1996

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