Ejector COIL

Valeriy D. Nikolaev; Michael I. Svistun; Marsel V. Zagidullin

doi:10.1117/12.558181

16 June 2004 Ejector COIL

Valeriy D. Nikolaev, Michael I. Svistun, Marsel V. Zagidullin

Proceedings Volume 5479, Laser Optics 2003: High-Power Gas Lasers; (2004) https://doi.org/10.1117/12.558181
Event: Laser Optics 2003, 2003, St. Petersburg, Russian Federation

Abstract

The historical ejector-like chemical oxygen iodine laser (COIL) contribution at the Lebedev Physical Institute, Samara Branch is briefly presented. Two possible schemes of such COIL which provide the high exhaust pressure are considered. The high-pressure hot driver nitrogen is carrier of iodine vapor in the first scheme. In the second version the additional nozzles with the low-pressure secondary nitrogen are employed for injection iodine vapor but the pure high-pressure driver nitrogen has the room temperature. The last COIL version was investigated in Lebedev Physical Institute in more detail and results of these investigations are presented. This ejector nozzle bank generates gain medium with high Mach number, low temperature and high gain. A high chemical efficiency up to 25% and the potential pressure recovery up to 90 torr have been achieved simultaneously.

Citation Download Citation

Valeriy D. Nikolaev, Michael I. Svistun, and Marsel V. Zagidullin "Ejector COIL", Proc. SPIE 5479, Laser Optics 2003: High-Power Gas Lasers, (16 June 2004); https://doi.org/10.1117/12.558181

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