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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 18, Number 10
BKCSDE 18(10)
October 20, 1997 

Ignition Delay Times in C2H2-O2-Ar Mixture behind a Reflected Shock Wave
Ji-Chul Ryu, Heui Seo, Jun-Gill Kang*, Kyu-Hyung Oh
Detonation characteristics of acetylene were studied behind reflected shock waves in the temperature range 800-1350 K by monitoring OH emission and pressure profiles. For a comprehensive measurement of ignition delay time, the mixture composition was varied in a wide range of Ar mole % was varied from 0.625 to 2.5 in stoichiometric ratio of C2H2-O2-Ar. A computer simulation study was also performed to elucidate the important elementary steps determining ignition behavior. The 33-reaction mechanism provides a good agreement in delay time between the observed and the calculated ones.
1071 - 1075
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