Calculation of Deflagration Initiation and Transition to Detonation in Hydrogen-Air Mixes

Abstract

Mechanism of transition from one radical to the other during the period of induction in hydrogen-air mix reaction was investigated. Characteristic feature of hydrogenair gas mix deflag in this induction period grows of radicals H, O and OH appears. Mass of radicals, nevertheless stay small, and one radical component transverse to the others ration is appearance of sudden explosion after long period of induction. Algorithm was developed for numerical simulation of hydrogen-air mixes on the basis of theory branching chain reactions. Calculations provided demonstrate applicability of developed algorithm for numerical simulations of initial stage of deflagration of hydrogen-air mixes.