THE ASYMPTOTIC STRUCTURE OF WEAKLY STRAINED STOICHIOMETRIC METHANE AIR FLAMES

被引:19
作者
ROGG, B [1 ]
PETERS, N [1 ]
机构
[1] RHEIN WESTFAL TH AACHEN,INST TECH MECH,W-5100 AACHEN,GERMANY
关键词
D O I
10.1016/0010-2180(90)90149-L
中图分类号
O414.1 [热力学];
学科分类号
摘要
The response to strain of stochiometric methane-air flames stretched in counterflow geometries is investigated theoretically using asymptotic methods. The special case of weak strain is considered. The asymptotic analysis is based on a systematically reduced three-step kinetic mechanism for methane oxidation. An expression for the Markstein number is derived and compared with results obtained previously from activation-energy asymptotics on the basis of a global one-step reaction. Comparisons to numerical results and experimental data available in the literature are performed. © 1990.
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页码:402 / 420
页数:19
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