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| Titel |
The calculation of TV, VT, VV, VV' - rate coefficients for the collisions of the main atmospheric components |
| VerfasserIn |
A. S. Kirillov |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
0992-7689
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| Digitales Dokument |
URL |
| Erschienen |
In: Annales Geophysicae ; 16, no. 7 ; Nr. 16, no. 7, S.838-846 |
| Datensatznummer |
250013344
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| Publikation (Nr.) |
 copernicus.org/angeo-16-838-1998.pdf |
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| Zusammenfassung |
The first-order perturbation approximation is
applied to calculate the rate coefficients of vibrational energy transfer in
collisions involving vibrationally excited molecules in the absence of
non-adiabatic transitions. The factors of molecular attraction, oscillator
frequency change, anharmonicity, 3-dimensionality and quasiclassical motion have
been taken into account in the approximation. The analytical expressions
presented have been normalized on experimental data of VT-relaxation times in N2
and O2 to obtain the steric factors and the extent of repulsive
exchange potentials in collisions N2-N2 and O2-O2.
The approach was applied to calculate the rate coefficients of
vibrational-vibrational energy transfer in the collisions N2-N2,
O2-O2 and N2-O2. It is shown that
there is good agreement between our calculations and experimental data for all
cases of energy transfer considered.
Key words. Ionosphere (Auroral ionosphere; ion
chemistry and composition). Atmospheric composition and structure (Aciglow and
aurora). |
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