Diffusion of vibrationally excited molecules |
| |
Authors: | Gordon Fujimoto Abraham Nitzan Eric Weitz |
| |
Institution: | Department of Chemistry, Northwestern University, Evanston, Illinois 60201, USA |
| |
Abstract: | A treatment is presented for the effect of intermolecular vibrational energy transfer on the diffusion coefficient of vibrationally excited molecules. An analytic treatment based on random walk statistics and a Monte Carlo type calculation have been performed. Both methods yield very similar results which correlate well with existing experimental studies. A hard sphere collision model is treated extensively with comparisons made to other internmolecular potentials. The results support the involvement of long range energy transfer in V → V interactions. The effect of temeprature on the diffusion coefficient of vibrationally excited molecules is calculated, with applications to the CO*2CO2 system. |
| |
Keywords: | |
本文献已被 ScienceDirect 等数据库收录! |
|