Promoting Effect of Halogenand Phosphorus-Containing Flame Retardants on the Autoignition of a Methane-Oxygen Mixture
A. V. Drakon1, A.V. Eremin1, O. P. Korobeinichev2, V. M. Shvartsberg2, A.G. Shmakov2,3
1Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow 125412, Russia
2Voevodsky Institute of Chemical Kinetics and Combustion, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090 Russia
3Novosibirsk State University, Novosibirsk, 630090 Russia
Keywords: метан, воспламенение, ингибирование, добавки, галоген, фосфор, methane, ignition, flame inhibition, additives, halogen, phosphoru
Abstract
This paper presents a numerical and experimental study of the effect of flame-retardant additives on the autoignition of methane behind shock waves. It is shown that at a temperature of 11300-1900 K, the compounds CCl4, CF3H, and (СН3О)3РО not only do not suppress ignition but significantly reduce the induction time of methane-oxygen mixtures. A kinetic mechanism is proposed which relates the promoting effect to the reactivity of the pyrolysis products of the additives.
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