Abstract
The new model for molecular vibrational energy transfer is proposed for an application to the direct simulation Monte Carlo (DSMC) method. The model is based on the inelastic collision cross section with the detailed balance relation at equilibrium, and can treat not only the translational–vibrational energy transfer but also the vibrational–vibrational energy transfer. The vibrational energy is treated as a collection of discrete levels. The performance of the present model was demonstrated through an application to the relaxation problem. The simulation results by means of the DSMC incorporated with the present model show a good agreement with the results obtained by means of the master equation.
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