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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 21, Number 10
BKCSDE 21(10)
October 20, 2000 

The Addition Effect of CH3Br on Methane Ignition behind Reflected Shock Waves
Sung Bae Jee, Kilyoung Kim, Kuan Soo Shin
The addition effect of CH³Br on the ignition of methane was investigated in the temperature range of 1537-1920 K behind reflected shock waves. The ignition delay times were measured by the sudden increase of pres-sure and OH emission in the CH₄-O₂-Ar system containing small amount of CH₃Br. The delay times of mix-tures with CH₃Br were shorter than those without CH₃Br. The promotion of ignition by CH₃Br was caused by the relative fast decomposition rate in additive. To clarify the addition effect of CH₃Br from the viewpoint of the reaction mechanism, computational analyses were performed in CH₄-CH₃Br-O₂-Ar mixtures.
1015 - 1019
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