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SHORT COMMUNICATION

Unition Delay of Methane in Reflected Shock Waves

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Pages 239-245 | Received 02 Apr 1980, Accepted 08 Sep 1980, Published online: 09 Jun 2010
 

Abstract

A brief summary of the previous experimental studies on the ignition of methane in shock tubes is given by way of introduction. The ignition delay characteristics of methane-oxygen mixtures highly diluted with argon were studied behind reflected shock waves. Ignition was identified by pressure rise and visible light emissions using piezoelectric transducers and photomultiplier detection respectively. The measurements covered a temperature range of 1600-2100 K and a pressure range of 1 to 6 atm. The equivalence ratio was varied from 0.2 to 5.0. The following expression

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was found to correlate the results very well.

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