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- Title
Kinetics of Detonation Initiation in the Supersonic Flow of the H2 + O2 (Air) Mixture in O2 Molecule Excitation by Resonance Laser Radiation.
- Authors
Starik, A. M.; Titova, N. S.
- Abstract
The possibility of initiating detonation in the supersonic flow of the H2 + O2 (air) mixture behind the front of the inclined shock wave by O2 molecule excitation to the O2(a1Δg) and O2(b1·+g) states by laser radiation with a wavelength λI = 1.268 μm and 762 nm is considered. Resonance laser radiation intensifies chain combustion due to the formation of new pathways for generating active atoms O and H and radicals <MATH>\Dot{O}</MATH>H and has a substantially nonthermal character. Even at low (∼3 kJ/cm2) energies of radiation with λI = 762 nm applied to the gas, detonation combustion can occur even at a distance of 1 m from the front at the gas temperature as high as 600 K.
- Subjects
STEREOCHEMISTRY; PHYSICAL &; theoretical chemistry; ATOMS; SHOCK waves; RADIATION; THERMOCHEMISTRY
- Publication
Kinetics & Catalysis, 2003, Vol 44, Issue 1, p28
- ISSN
0023-1584
- Publication type
Article
- DOI
10.1023/A:1022564500133