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Combustion and Flame, 2016
There exists a large scatter in reported scaling (power) exponents q characterizing response of turbulent flame speed St or burning velocity Ut to changes of various factors such as the root-mean-square turbulent velocity u′, integral length scale L or laminar flame speed SL0, e.g. St∝u′^q. This scatter is often interpreted as lack of generality of the
Andrei Lipatnikov
exaly +2 more sources
There exists a large scatter in reported scaling (power) exponents q characterizing response of turbulent flame speed St or burning velocity Ut to changes of various factors such as the root-mean-square turbulent velocity u′, integral length scale L or laminar flame speed SL0, e.g. St∝u′^q. This scatter is often interpreted as lack of generality of the
Andrei Lipatnikov
exaly +2 more sources
The Problems of the Turbulent Burning Velocity
Flow, Turbulence and Combustion, 2011zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Bradley, Derek +2 more
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Symposium (International) on Combustion, 1977
Measurements are reported of premixed hydrogen-air turbulent burning velocities, made by the double kernel method during explosions. Turbulence was created by four high speed fans within the explosion vessel. The method is described for calibrating the system, which is capable of giving high values of turbulent Reynolds numbers. The values obtained are
Ramzy G. Abdel-Gayed, Derek Bradley
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Measurements are reported of premixed hydrogen-air turbulent burning velocities, made by the double kernel method during explosions. Turbulence was created by four high speed fans within the explosion vessel. The method is described for calibrating the system, which is capable of giving high values of turbulent Reynolds numbers. The values obtained are
Ramzy G. Abdel-Gayed, Derek Bradley
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Measurement of turbulent burning velocity for large turbulent Reynolds numbers
Symposium (International) on Combustion, 1975Turbulent burning velocities have been measured in an explosion vessel equipped with four fans driven by air turbines. This arrangement created a central region of uniform isotropic turbulence in which measurements were made of flame speed, turbulent burning velocity and gas velocity just ahead of the flame front.
G.E. Andrews +2 more
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On the Correlation of Turbulent Burning Velocities
Combustion Science and Technology, 1980Abstract A new formulation of the spectral interpretation of turbulent burning velocities is proposed. The correlation formula based on this interpretation is tested against existing experimental data on turbulent burning ...
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Studies of the turbulent burning velocity
Proceedings of the Royal Society of London. Series A: Mathematical and Physical Sciences, 1990Abstract A laminar flamelet model of pre-mixed turbulent combustion is described in which a characteristic length scale L̂y controls the flamelet surface-to-volume ratio. An analysis, based on the Bray-Moss-Libby model of turbulent combustion, leads to the conclusion that L̂y/l is proportional to the ratio of the laminar burning ...
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Influence of local flame displacement velocity on turbulent burning velocity
Proceedings of the Combustion Institute, 2002In our previous works, the mean local burning velocity turned out to be changed from the originallaminar burning velocity due to the preferential diffusion effect, and it was found to be an important factor dominating the turbulent burning velocity. The present study investigates directly the local flame propagation properties of methane, propane, and ...
Hiroyuki Kido +3 more
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Effect of pressure on turbulent burning velocity
Combustion and Flame, 1958Abstract Turbulent burning velocities were measured for three fueloxidant systems (propaneair, hydrogenair, and propane50 per cent oxygen50 per cent nitrogen) over a range of pressures at nearly constant Reynolds number. At constant Reynolds number, the pressure exponent for turbulent burning velocity was consistently about 0·3 greater in ...
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Turbulent Burning Velocity of Lean Hydrogen Mixtures
SAE Technical Paper Series, 2003<div class="section abstract"><div class="htmlview paragraph">The present study is performed to examine experimentally the turbulent burning velocity characteristics of lean hydrogen mixtures with attention to the local burning velocity. The special mixtures, having nearly the same laminar burning velocity with different equivalence ratios ...
Hiroyuki Kido +3 more
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