TY - JOUR
T1 - Further analysis of chemical kinetic structure of a standoff microjet methane diffusion flame near extinction
AU - Cheng, T. S.
AU - Chao, Y. C.
AU - Chen, C. P.
AU - Wu, C. Y.
N1 - Funding Information:
This research was supported by the National Science Council of Republic of China under Grants NSC92-2212-E-216-001 (TSC) and NSC 95-2212-E006-392 (YCC). The computer time and CFD package were provided by the National Centre for High-Performance Computing, Taiwan, ROC.
PY - 2008/2
Y1 - 2008/2
N2 - Numerical results of a standoff microjet methane diffusion flame are further analyzed to elucidate the characteristic chemical structure of the flame near the extinction limit. Computed results indicate that the standoff behavior of the microjet diffusion flame is a consequence of flame quenching on the tube wall, followed by the sequence of accelerating fuel pyrolysis by heat conduction through the tube wall, producing intermediate radicals, initiating further reaction on the HO2 path near the tube wall, creating a hot zone in the quenching gap region, and finally forming a reaction kernel to hold the flame.
AB - Numerical results of a standoff microjet methane diffusion flame are further analyzed to elucidate the characteristic chemical structure of the flame near the extinction limit. Computed results indicate that the standoff behavior of the microjet diffusion flame is a consequence of flame quenching on the tube wall, followed by the sequence of accelerating fuel pyrolysis by heat conduction through the tube wall, producing intermediate radicals, initiating further reaction on the HO2 path near the tube wall, creating a hot zone in the quenching gap region, and finally forming a reaction kernel to hold the flame.
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U2 - 10.1016/j.combustflame.2007.10.007
DO - 10.1016/j.combustflame.2007.10.007
M3 - Article
AN - SCOPUS:38349070183
SN - 0010-2180
VL - 152
SP - 461
EP - 467
JO - Combustion and Flame
JF - Combustion and Flame
IS - 3
ER -