Geodesic
Analysis of the effect of mathematical models of chemical transformations on the ignition of hydrogen-oxygen mixtures
Journal of computational and engineering mathematics, Tome 10 (2023) no. 2, pp. 63-72 Cet article a éte moissonné depuis la source Math-Net.Ru

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This paper presents an analysis of the influence of mathematical models of chemical transformation on the combustion of hydrogen-oxygen mixtures. The results of the analysis show that, despite the widespread use of hydrogen combustion processes for practical purposes and a fairly large number of publications, the development of kinetic schemes for hydrogen combustion is still relevant at the present time. In this work, using the example of solving the problem of determining the induction period of combustion of a hydrogen-oxygen mixture in an adiabatic reactor, we test various kinetic schemes of hydrogen combustion: two one-stage schemes consisting of sixteen reactions. It is shown that the most accurate description of the experimental data on the delay times of an adiabatic explosion can be obtained using a more complex kinetics of hydrogen oxidation, and the simplification of the mechanism to one overall reaction is suitable only for approximate estimates.
Keywords: mathematical modelling, period of occurrence.
Mots-clés : combustion and explosion 
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     title = {Analysis of the effect of mathematical models of chemical transformations on the ignition of hydrogen-oxygen mixtures},
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M. S. Zharylkanova; Yu. M. Kovalev; E. E. Pigasov. Analysis of the effect of mathematical models of chemical transformations on the ignition of hydrogen-oxygen mixtures. Journal of computational and engineering mathematics, Tome 10 (2023) no. 2, pp. 63-72. http://geodesic.mathdoc.fr/item/JCEM_2023_10_2_a5/