Calculation of the flow of a mixture of reacting gases in the case of adiabatic expansion
Abstract
The adiabatic steady nonequilibrium supersonic nozzle flow of a relaxing N2 + CO2 + H2O gas mixture is calculated, in a harmonic oscillator approximation, on the basis of relaxation equations in which allowance is made for the molecular vibrational transitions at all energy levels. A comparison with results obtained from simplified kinetic schemes shows that the asymmetric-mode and vibrational temperatures coincide to within 2%, and the value of population inversion coincide to within 5%. The possibility of using the assumption of thermodynamic equilibrium between the asymmetric mode of CO2 and the N2 vibrations in the analysis of processes occurring in a CO2-N2 laser is examined.
- Publication:
-
TsAGI Uchenye Zapiski
- Pub Date:
- 1975
- Bibcode:
- 1975ZaTsA...6...75D
- Keywords:
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- Adiabatic Flow;
- Gas Expansion;
- Gasdynamic Lasers;
- Molecular Relaxation;
- Nonequilibrium Flow;
- Supersonic Flow;
- Harmonic Oscillation;
- Steady Flow;
- Vibrational Spectra;
- Lasers and Masers