scholarly journals Laminar flame speed, Markstein length, and cellular instability for spherically propagating methane/ethylene–air premixed flames

2020 ◽  
Vol 214 ◽  
pp. 464-474 ◽  
Author(s):  
Hee J. Kim ◽  
Kyuho Van ◽  
Dae K. Lee ◽  
Chun S. Yoo ◽  
Jeong Park ◽  
...  
Keyword(s):  
Laminar Flame ◽  
Premixed Flames ◽  
Flame Speed ◽  
Laminar Flame Speed ◽  
Markstein Length

Experimental Study on Laminar Flame Speeds and Markstein Length of Methane-Air Mixtures at Atmospheric Conditions

2014 ◽  
Vol 699 ◽  
pp. 714-719
Author(s):  
Alaeldeen Altag Yousif ◽  
Shaharin Anwar Sulaiman
Keyword(s):  
High Speed ◽  
Equivalence Ratio ◽  
Laminar Flame ◽  
Burning Velocity ◽  
Ambient Pressure ◽  
Flame Speed ◽  
Laminar Flame Speed ◽  
Atmospheric Conditions ◽  
Laminar Burning Velocity ◽  
Markstein Length

Accurate value of laminar flame speed is an important parameter of combustible mixtures. In this respect, experimental data are very useful for modeling improvement and validating chemical kinetic mechanisms. To achieve this, an experimental characterization on spherically expanding flames propagation of methane-air mixtures were carried out. Tests were conducted in constant volume cylindrical combustion chamber to measure stretched, unstretched laminar flame speed, laminar burning velocity, and flame stretch effect as quantified by the associated Markstein lengths. The mixtures of methane-air were ignited at extensive ranges of lean-to-rich equivalence ratios, under ambient pressure and temperature. This is achieved by high speed schlieren cine-photography for flames observation in the vessel. The results showed that the unstretched laminar burning velocity increased and the peak value of the unstretched laminar burning velocity shifted to the richer mixture side with the increase of equivalence ratio. The flame propagation speed showed different trends at different equivalence ratio for tested mixtures. It was found that the Markstein length was increased with the increase of equivalence ratio.

Effects of Soret diffusion on the laminar flame speed and Markstein length of syngas/air mixtures

2013 ◽  
Vol 34 (1) ◽  
pp. 695-702 ◽  
Author(s):  
Wenkai Liang ◽  
Zheng Chen ◽  
Fan Yang ◽  
Huiqiang Zhang
Keyword(s):  
Laminar Flame ◽  
Flame Speed ◽  
Laminar Flame Speed ◽  
Markstein Length

scholarly journals Laminar flame speed and markstein length characterisation of steelworks gas blends

2014 ◽  
Vol 136 ◽  
pp. 1026-1034 ◽  
Author(s):  
D. Pugh ◽  
A.P. Crayford ◽  
P.J. Bowen ◽  
T. O’Doherty ◽  
R. Marsh ◽  
...  
Keyword(s):  
Laminar Flame ◽  
Flame Speed ◽  
Laminar Flame Speed ◽  
Markstein Length

Effects of Hydrogen Addition on the Laminar Flame Speed and Markstein Length of Premixed Dimethyl Ether–Air Flames

2015 ◽  
Vol 29 (7) ◽  
pp. 4567-4575 ◽  
Author(s):  
Huibin Yu ◽  
Erjiang Hu ◽  
Yu Cheng ◽  
Ke Yang ◽  
Xinyi Zhang ◽  
...  
Keyword(s):  
Dimethyl Ether ◽  
Laminar Flame ◽  
Flame Speed ◽  
Laminar Flame Speed ◽  
Hydrogen Addition ◽  
Markstein Length

Effect of methane-dimethyl ether fuel blends on flame stability, laminar flame speed, and Markstein length

2011 ◽  
Vol 33 (1) ◽  
pp. 929-937 ◽  
Author(s):  
W.B. Lowry ◽  
Z. Serinyel ◽  
M.C. Krejci ◽  
H.J. Curran ◽  
G. Bourque ◽  
...  
Keyword(s):  
Dimethyl Ether ◽  
Laminar Flame ◽  
Flame Speed ◽  
Flame Stability ◽  
Laminar Flame Speed ◽  
Markstein Length ◽  
Fuel Blends

Laminar flame speed and Markstein length of syngas at normal and elevated pressures and temperatures

Fuel ◽  
2014 ◽  
Vol 137 ◽  
pp. 339-345 ◽  
Author(s):  
Yuhua Ai ◽  
Zhen Zhou ◽  
Zheng Chen ◽  
Wenjun Kong
Keyword(s):  
Laminar Flame ◽  
Flame Speed ◽  
Laminar Flame Speed ◽  
Markstein Length ◽  
Elevated Pressures

Assessment of uncertainties of laminar flame speed of premixed flames as determined using a Bunsen burner at varying pressures

2018 ◽  
Vol 227 ◽  
pp. 149-158 ◽  
Author(s):  
S. Hu ◽  
J. Gao ◽  
C. Gong ◽  
Y. Zhou ◽  
X.S. Bai ◽  
...  
Keyword(s):  
Laminar Flame ◽  
Premixed Flames ◽  
Flame Speed ◽  
Laminar Flame Speed ◽  
Bunsen Burner
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