Relaxation Behind Strong Shock Waves in Air
Abstract
Relaxation phenomena associated with strong shock waves in air are examined in preparation for evaluation of the mechanisms which produce airshock radiant light. A model for the airshock relaxation region is described which considers air chemistry, O2 and N2 vibrational relaxation, and separate electron/atom energy distributions. Results from calculations are compared with experimental data for a Mach number range M = 7 - 36 with very good agreement obtained for the range M = 7 - 20. Comparisons for post-shock equilibrium conditions, ionizational relaxation times, vibrational relaxation times for O2 and N2, and O2 dissociation lengths are included.
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 01, 1974
- Accession Number
- ADA005765
Entities
People
- J. M. Ward
Organizations
- Naval Ordnance Laboratory