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JOURNALS // Teplofizika vysokikh temperatur // Archive

TVT, 2017 Volume 55, Issue 1, Pages 68–75 (Mi tvt7797)

This article is cited in 2 papers

Thermophysical Properties of Materials

Inelastic collisions of molecules within the SFO model

D. L. Tsyganov

Instituto de Plasmas e Fusăo Nuclear, Instituto Superior Técnico, Universidade de Lisboa, 1049--001, Lisboa, Portugal

Abstract: An inelastic collision of diatomic molecule $AB$ with structureless particle $M$ ($VT$ energy exchange) is considered within the SFO/SFHO model. An approach for determining the energy efficiency of excitation of molecular vibrational levels, energy-loss matrix, and total energy loss in a head-on collision with molecules/atoms is proposed. Nitrogen molecules $\rm N_2$ are chosen as $AB$ and $M$. An interaction in the $AB$$M$ system was described using the “improved” Lennard-Jones potential.

UDC: 544.42, 544.08

Received: 13.11.2014

DOI: 10.7868/S0040364417010227


 English version:
High Temperature, 2017, 55:1, 63–69

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