Promoting effect of halogen- and phosphorus-containing flame retardants on the autoignition of a methane–oxygen mixture


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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 1300–1900 K, the compounds CCl4, CF3H, and (CH3O)3PO 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.

About the authors

A. V. Drakon

Joint Institute for High Temperatures

Email: eremin@ihed.ras.ru
Russian Federation, Moscow, 125412

A. V. Eremin

Joint Institute for High Temperatures

Author for correspondence.
Email: eremin@ihed.ras.ru
Russian Federation, Moscow, 125412

O. P. Korobeinichev

Voevodsky Institute of Chemical Kinetics and Combustion, Siberian Branch

Email: eremin@ihed.ras.ru
Russian Federation, Novosibirsk, 630090

V. M. Shvartsberg

Voevodsky Institute of Chemical Kinetics and Combustion, Siberian Branch

Email: eremin@ihed.ras.ru
Russian Federation, Novosibirsk, 630090

A. G. Shmakov

Voevodsky Institute of Chemical Kinetics and Combustion, Siberian Branch; Novosibirsk State University

Email: eremin@ihed.ras.ru
Russian Federation, Novosibirsk, 630090; Novosibirsk, 630090

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