Theory of rotational relaxation in a diatomic gasстатья
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Дата последнего поиска статьи во внешних источниках: 28 мая 2015 г.
Аннотация:The three-dimensional problem of energy exchange between translational and rotational degrees of freedom in collisions of diatomic molecules with structureless particles is solved numerically within classical mechanics. The intermolecular interaction potentials were taken as exponential repulsions between the molecular atoms and the incident particles, while well-known experimental information [1] was used for the potential parameters. The results obtained were used for numerical Monte Carlo evaluation of the collision integral, determining the rotational relaxation time. Molecular nitrogen is chosen as an example. The results of calculation are in quite satisfactory agreement with experimental data.