Abstract
Processes of turbulent mixing of hot nitrogen and carbon dioxide gas (CO2) in a supersonic nozzle are investigated in connection with gasdynamic lasers with selective thermal excitation. The actual flow pattern in the nozzle and cavity is simulated by the system of equations of a turbulent boundary layer. The results of calculations of the gain profile, the CO2 concentration, and the laser power agree satisfactorily with experimental data.
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