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High-temperature shock tube study of the reactions CH3 + OH → products and CH3OH + Ar → products

✍ Scribed by Venkatesh Vasudevan; Robert D. Cook; Ronald K. Hanson; Craig T. Bowman; David M. Golden

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
251 KB
Volume
40
Category
Article
ISSN
0538-8066

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✦ Synopsis

Abstract

The reaction between methyl and hydroxyl radicals has been studied in reflected shock wave experiments using narrow‐linewidth OH laser absorption. OH radicals were generated by the rapid thermal decomposition of tert‐butyl hydroperoxide. Two different species were used as CH~3~ radical precursors, azomethane and methyl iodide. The overall rate coefficient of the CH~3~ + OH reaction was determined in the temperature range 1081–1426 K under conditions of chemical isolation. The experimental data are in good agreement with a recent theoretical study of the reaction. The decomposition of methanol to methyl and OH radicals was also investigated behind reflected shock waves. The current measurements are in good agreement with a recent experimental study and a master equation simulation. © 2008 Wiley Periodicals, Inc. 40: 488–495, 2008

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