Modeling of the gain and temperature in high pressure, ejector type chemical oxygen-iodine lasers and comparison to experiments

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Abstract

The results of three-dimensional computational fluid dynamics model calculations are compared to available experimental results [V. D. Nikolaev, IEEE J. Quantum Electron. 38, 421 (2002)]. It is shown that the model is applicable to high pressure, ejector type chemical oxygen-iodine laser (COIL), reasonably reproducing the measured gain, temperature, static pressure, and gas velocity. A previous model, which included I2 (A′3 II2u), I2 (A3 II1u), and O 2 (a1 Δg, v) as significant intermediates in the dissociation of I2 [K. Waichman, J. Appl. Phys. 102, 013108 (2007)], reproduced the measured gain and temperature of a low pressure supersonic COIL. The previous model is complemented here by adding the effects of turbulence, which play an important role in high pressure COILs.

Original languageEnglish
Article number013113
JournalJournal of Applied Physics
Volume104
Issue number1
DOIs
StatePublished - 28 Jul 2008

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