Comment On: An Intermolecular Potential for Nitrogen from a Multi-Property Analysis
AIR FORCE RESEARCH LAB EDWARDS AFB CA PROPULSION DIRECTORATE WEST
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A recent paper by Cappelletti et al. CVPHD makes use of classical trajectory CT effective kinetic cross sections on an optimized potential energy surface to predict Z for nitrogen gas over a range of temperatures. It is suggested here that an alternative method of conversion between the calculated cross sections and the rotational relaxation quantities eta nu, the volume viscosity, and Z, the rotational collision number may give more physically meaningful results.
- Physical Chemistry
- Atomic and Molecular Physics and Spectroscopy