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Proceedings Paper

Effective singlet-oxygen production in traveling microwave discharge
Author(s): Yuri V. Savin; L. V. Goryachev; Yu. Anatoly Adamenkov; T. V. Rakhimova; Yuri A. Mankelevich; N. A. Popov; Anatoly A. Adamenkov; Vladimir V. Egorov; Sergey P. Ilyin; A. M. Kalashnik; Yuriy V. Kolobyanin; Evgeniy A. Kudryashov; G. S. Rogozhnikov; Boris A. Vyskubenko
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Paper Abstract

Experimental and theoretical studies of singlet oxygen excitation in traveling microwave discharge (TMW) are presented. Singlet oxygen O2(a1Δg) concentrations and atomic oxygen mole fraction have been measured for different pressures, input powers and distances from mw resonator. It was shown that a steady-state traveling microwave discharge with a coaxial cavity resonator could provide maximal O2(a1Δg) yield of 22% for 2 Torr of pure oxygen and 27-30% for He : O2 = 1:1 mixture. Developed two-dimensional (r,z) model for calculations of plasma-chemical kinetics, heat and mass transfer was used for simulation of processes in TMW discharge under study. Effects of gas pressure, gas flow rate and input power are studied and compared with experimental measurements of O2(a1Δg) concentrations and atomic oxygen mole fractions.

Paper Details

Date Published: 23 March 2005
PDF: 7 pages
Proc. SPIE 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, (23 March 2005);
Show Author Affiliations
Yuri V. Savin, Russian Federal Nuclear Ctr. (Russia)
L. V. Goryachev, Russian Federal Nuclear Ctr. (Russia)
Yu. Anatoly Adamenkov, Russian Federal Nuclear Ctr. (Russia)
T. V. Rakhimova, Moscow State Univ. (Russia)
Yuri A. Mankelevich, Moscow State Univ. (Russia)
N. A. Popov, Moscow State Univ. (Russia)
Anatoly A. Adamenkov, Russian Federal Nuclear Ctr. (Russia)
Vladimir V. Egorov, Russian Federal Nuclear Ctr. (Russia)
Sergey P. Ilyin, Russian Federal Nuclear Ctr. (Russia)
A. M. Kalashnik, Russian Federal Nuclear Ctr. (Russia)
Yuriy V. Kolobyanin, Russian Federal Nuclear Ctr. (Russia)
Evgeniy A. Kudryashov, Russian Federal Nuclear Ctr. (Russia)
G. S. Rogozhnikov, Russian Federal Nuclear Ctr. (Russia)
Boris A. Vyskubenko, Russian Federal Nuclear Ctr. (Russia)

Published in SPIE Proceedings Vol. 5777:
XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers
Jarmila Kodymova, Editor(s)

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