Results 241 to 250 of about 760,958 (323)

Research on Gas Explosion Pressure and Flame Propagation Characteristics in Turning Pipelines. [PDF]

ACS Omega
Guo S, Jing G, Wang Y, Sun Y.
europepmc   +1 more source

NUMERICAL ANALYSIS OF FLOWFIELDS GENERATED BY ACCELERATING FLAMES

, 1977
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Flame acceleration in rough narrow channels

Process Safety and Environmental Protection
G. Yu. Bivol, S.V. Golovastov, V.V. Golub   +2 more
openaire   +2 more sources

Effect of hydrogen concentration distribution on flame acceleration and deflagration-to-detonation transition in staggered obstacle-laden channel

The Physics of Fluids, 2023
A staggered arrangement of solid obstacles promotes flame acceleration (FA) and the deflagration-to-detonation transition (DDT) in a homogeneous concentration field. Many combustible premixed gases, however, are inhomogeneous. The present numerical study
Xinyu Zhao, Jiabao Wang, Longkun Gao, J. Pan, Yuejin Zhu   +4 more
semanticscholar   +1 more source

Statistical Study of Accelerating Flames

The Physics of Fluids, 1960
Study of velocity fluctuations observed by means of ionization probes during the development of detonation reveals its significance as an indicator of physical characteristics of the flame. The scatter in time of arrival (the reciprocal of the velocity) was found normally distributed at an 85% probability level.
Stern, Raul A., Ladermann, A. J., Oppenheim, Antoni K.   +2 more
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Explosion triggering by an accelerating flame

Physical Review E, 2006
The analytical theory of explosion triggering by an accelerating flame is developed. The theory describes the structure of a one-dimensional isentropic compression wave pushed by the flame front. The condition of explosion in the gas mixture ahead of the flame front is derived; the instant of the explosion is determined provided that a mechanism of ...
Bychkov, Vitaly, Akkerman, V'yacheslav
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Physical Mechanism of Ultrafast Flame Acceleration

Physical Review Letters, 2008
We explain the physical mechanism of ultrafast flame acceleration in obstructed channels used in modern experiments on detonation triggering. It is demonstrated that delayed burning between the obstacles creates a powerful jetflow, driving the acceleration. This mechanism is much stronger than the classical Shelkin scenario of flame acceleration due to
Vitaly, Bychkov, Damir, Valiev, Lars-Erik, Eriksson   +2 more
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