Abstract
Kinetic mechanisms resulting in the enhancement of combustion of H2+O2 mixtures when O2 molecules are excited to the a 1Δg and b 1Σ +g states with laser radiation (λ=1.268 and 0.762 µm) are analyzed. It is shown that the excitation of O2 molecules by the laser radiation leads to the appearance of new O, H, and OH formation channels; promotes the ignition of the starting mixture; and reduces the self-ignition temperature. With initial pressures in the range P 0=103–104 Pa, the self-ignition temperature can be reduced to 300 K even at relatively low energies of the laser radiation with λ=0.762 µm.
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Translated from Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Fiziki, Vol. 73, No. 3, 2003, pp. 59–68.
Original Russian Text Copyright © 2003 by Starik, Titova.
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Starik, A.M., Titova, N.S. Kinetic mechanisms of initiating hydrogen-oxygen mixture combustion through the excitation of electronic degrees of freedom of molecular oxygen by laser radiation. Tech. Phys. 48, 334–343 (2003). https://doi.org/10.1134/1.1562262
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DOI: https://doi.org/10.1134/1.1562262