Механизмы воспламенения и режимы распространения волн горения

А.Д. Киверин; М.Ф. Иванов; М.А. Либерман

doi:10.18321/

Authors

A.D. Kiverin Joint Institute for High Temperatures of Russian Academy of Sciences, Izhorskaya st., 13, Bd. 2, Moscow, 125412, Russia
M.F. Ivanov Joint Institute for High Temperatures of Russian Academy of Sciences, Izhorskaya st., 13, Bd. 2, Moscow, 125412, Russia
M.A. Liberman Joint Institute for High Temperatures of Russian Academy of Sciences, Izhorskaya st., 13, Bd. 2, Moscow, 125412, Russia

DOI:

https://doi.org/10.18321/

Keywords:

ignition, wave, combustion, energy, temperature, reaction

Abstract

The paper studies the regimes of reaction wave initiation under the conditions of localized transient thermal energy deposition in reactive gaseous mixtures, whose chemistry is governed by chain-branching kinetic. It is shown that the main mechanism of reaction wave initiation is the spontaneous reaction wave originating from the temperature and/or pressure non-uniformity formed in the region of the energy deposition. The possible regimes of combustion are classified depending on the parameters of energy source (power of the energy source, amount of the deposited energy, size of the hot spot) and characteristic time scales (energy deposition time, ignition time, characteristic time scales of acoustic and thermal waves propagation).

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