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A study of ethane decomposition in a shock tube using laser absorption of CH3

✍ Scribed by D. F. Davidson; M. D. Di Rosa; R. K. Hanson; C. T. Bowman

Publisher: John Wiley and Sons
Year: 1993
Tongue: English
Weight: 711 KB
Volume: 25
Category: Article
ISSN: 0538-8066
DOI: 10.1002/kin.550251109

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✦ Synopsis

Abstract

The rate coefficient for the unimolecular reaction, C~2~H~6~ → CH~3~ + CH~3~, was measured in reflected shock wave experiments using narrow‐linewidth laser absorption of methyl radicals at 216.6 nm. The experiments were conducted in the falloff regime at the conditions 1350 to 2110 K, 0.58 to 4.4 atm, in 50 to 500 ppm C~2~H~6~/Ar and 190 ppm C~2~H~6~/N~2~ mixtures. At temperatures below 1500 K, the measured rate coefficients are in good agreement with the expression of Wagner and Wardlaw (1989). Above 1500 K, the measurements fall increasingly below their predictions. © 1993 John Wiley & Sons, Inc.

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