Comparative analysis of the different methods of preparing active media in a supersonic COIL

Valeri D. Nikolaev

doi:10.1117/12.308063

12 May 1998 Comparative analysis of the different methods of preparing active media in a supersonic COIL

Valeri D. Nikolaev

Proceedings Volume 3268, Gas and Chemical Lasers and Intense Beam Applications; (1998) https://doi.org/10.1117/12.308063
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

Abstract

Five major methods of preparing active medium in supersonic COIL are analyzed: (1) `classical' case with upstream SOG primary buffer gas and chlorine premixing, injection and dissociation iodine vapor in the subsonic region of the supersonic nozzle; (2) mixing oxygen stream with primary buffer gas (may be cooled) downstream of SOG; (3) iodine vapor injection into boundary layers of the trans-sonic region of the small-scale grid nozzle; (4) mixing of the coflowing supersonic jets of pure oxygen and N₂ + I₂ mixture at close static pressures and Mach numbers; (5) mixing of co-flowing sonic (or supersonic with small Mach number) pure oxygen jets and high velocity head supersonic N₂ + I₂ jets for reaching very high active medium recovery pressure.

Citation Download Citation

Valeri D. Nikolaev "Comparative analysis of the different methods of preparing active media in a supersonic COIL", Proc. SPIE 3268, Gas and Chemical Lasers and Intense Beam Applications, (12 May 1998); https://doi.org/10.1117/12.308063

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