Role of the HO2• radical in hydrogen oxidation at the third self-ignition limit View Full Text


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Article Info

DATE

2010-06

AUTHORS

A. A. Azatyan, Z. S. Andrianova, A. N. Ivanova

ABSTRACT

It is demonstrated by simultaneous analysis of experimental data and the results of numerical simulation that, at 100 kPa, the H2/O2 mixture self-ignites only owing to the occurrence of a chain avalanche. Self-heating becomes significant in the course of chain combustion and strengthens the chain avalanche. The accelerating decomposition of H2O2, which results from the reaction between HO2• and H2, contributes to chain branching and determines the character of the chain thermal explosion. The role of the HO2• radical depends on the chain process conditions, consisting of chain termination as a result of the partial loss of HO2• at the initial self-acceleration stage, H atom regeneration, and participation in the second branched cycle under conditions of accelerated H2O2 decomposition. More... »

PAGES

337-347

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s002315841003002x

DOI

http://dx.doi.org/10.1134/s002315841003002x

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1010866714


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