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Experimental study of laser-induced thermal ignition in O2/O3 mixtures (1985)

Raffel, B. ; Warnatz, J. ; Wolfrum, J.

Springer

Applied physics 37 (1985), S. 189-195

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Details

ISSN: 1432-0649

Schlagwort(e): 82.50 ; 42.60

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract O2/O3 mixtures are ignited by absorption of laser pulses of a TEA CO2 laser along the axis of a cylindrical cell. The dependence of the radial propagation of the O3 decomposition, detected by uv absorption of the ozone, on laser fluence and on O3 concentration is investigated. Oscillations of the signals are identified to be the first radial acoustic mode of the cell. For mixtures of 0.35 bar and 0.70 bar total pressure and O3 percentages within 20–50%, the ignition limit is in the order of 0.1–0.2 J/cm3 (absorbed energy density). These values are in reasonable agreement with the results of the corresponding numerical simulations.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00692940

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