Transition from Branching-Chain Kinetics to Partial Equilibrium in the Combustion of Lean Hydrogen-Oxygen Mixtures in Shock Waves

Transition from Branching-Chain Kinetics to Partial Equilibrium in the Combustion of Lean Hydrogen-Oxygen Mixtures in Shock Waves

Concentration profiles of the OH radical in the shock-initiated combustion of lean hydrogen-oxygen-argon mixtures at low pressures (∼0.3 atm) and temperatures (∼1400°K) are found to exhibit pronounced spikes prior to attainment of partial equilibrium. It is shown that this effect is not encompassed...

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Veröffentlicht in:The Journal of chemical physics 1968-02, Vol.48 (4), p.1665-1673
Hauptverfasser: Gardiner, W. C., Morinaga, K., Ripley, D. L., Takeyama, T.
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container_end_page 1673
container_issue 4
container_start_page 1665
container_title The Journal of chemical physics
container_volume 48
creator Gardiner, W. C.
Morinaga, K.
Ripley, D. L.
Takeyama, T.
description Concentration profiles of the OH radical in the shock-initiated combustion of lean hydrogen-oxygen-argon mixtures at low pressures (∼0.3 atm) and temperatures (∼1400°K) are found to exhibit pronounced spikes prior to attainment of partial equilibrium. It is shown that this effect is not encompassed within the accepted mechanism for the H2–O2 reaction. Possible reconciliations are presented and discussed.
doi_str_mv 10.1063/1.1668893
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title Transition from Branching-Chain Kinetics to Partial Equilibrium in the Combustion of Lean Hydrogen-Oxygen Mixtures in Shock Waves
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