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Combustion, Explosion and Shock Waves

2014 year, number 3

Skeletal Mechanism of Inhibition and Suppression of a Hydrogen Flame by Addition of Trimethylphosphate

O. P. Korobeinicheva, V. M. Shvartsberga, A. G. Shmakova,b
a Voevodsky Institute of Chemical Kinetics and Combustion, Siberian Branch, Russian Academy of Sciences
Novosibirsk, 630090 Russia
b Novosibirsk State University
Novosibirsk, 630090 Russia
Keywords: skeletal mechanism, inhibition, fire suppression, trimethylphosphate, burning velocity

Abstract

A skeletal mechanism of inhibition and suppression of H2/O2/N2 by addition of trimethylphosphate was developed. It includes a mechanism of hydrogen oxidation (13 elementary steps involving 7 species) and two elementary reactions involving trimethylphosphate and its conversion products. This skeletal mechanism adequately predicts the burning velocity of flames with added inhibitor in the range of equivalence ratios studied, and can be used to model fire suppression.