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Kinetics of Thermal Decomposition and Oxidation of Soot Particles in Shock Waves

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Abstract

A new method was proposed for studying the kinetics of gas-dispersed systems in shock waves. The method is based on the pulsed sputtering of microscopic amounts of finely grained powder immediately before arrival of a shock wave. The method was used for investigating the oxidation of soot particles with molecular hydrogen (T = 1700–2400 K) and their vaporization (T = 4000–6000 K) in an argon atmosphere. The rates of these processes and the time dependence of the temperature of soot particles were measured. A model was proposed for characterizing the vaporization of soot.

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Authors and Affiliations

  1. Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow, Russia

    P. A. Vlasov, Yu. K. Karasevich & V. N. Smirnov

Authors
  1. P. A. Vlasov
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  2. Yu. K. Karasevich
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  3. V. N. Smirnov
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Vlasov, P.A., Karasevich, Y.K. & Smirnov, V.N. Kinetics of Thermal Decomposition and Oxidation of Soot Particles in Shock Waves. Kinetics and Catalysis 45, 628–633 (2004). https://doi.org/10.1023/B:KICA.0000044972.95906.60

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  • DOI: https://doi.org/10.1023/B:KICA.0000044972.95906.60

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