Results 271 to 280 of about 45,053 (298)
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Combustion and Flame, 2003
Local propagation speeds and stretch rates were measured along a premixed flame that undergoes unsteady wrinkling in order to see if these two quantities correlate in the manner that is predicted by the theory of flame stretch. The Markstein number, which relates these two quantities, also was measured.
Jose O. Sinibaldi +4 more
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Local propagation speeds and stretch rates were measured along a premixed flame that undergoes unsteady wrinkling in order to see if these two quantities correlate in the manner that is predicted by the theory of flame stretch. The Markstein number, which relates these two quantities, also was measured.
Jose O. Sinibaldi +4 more
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Proceedings of the Combustion Institute, 2019
Abstract The outwardly propagating spherical flame (OPF) method is popularly used to measure the laminar flame speed (LFS). Recently, great efforts have been devoted to improving the accuracy of the LFS measurement from OPF. In the OPF method, several assumptions are made.
Mahdi Faghih +4 more
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Abstract The outwardly propagating spherical flame (OPF) method is popularly used to measure the laminar flame speed (LFS). Recently, great efforts have been devoted to improving the accuracy of the LFS measurement from OPF. In the OPF method, several assumptions are made.
Mahdi Faghih +4 more
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STUDY OF THE FLAME PROPAGATION SPEED OF A MIXTURE OF HYDROGEN AND FLUORINE
Химическая физика / Advances in Chemical PhysicsMeasurements of the flame propagation speed of H/F/O/He mixtures were carried out. The effect of the concentration of molecular hydrogen on the combustion rate has been studied. The lower concentration limit of hydrogen for the existence of combustion under the specified experimental conditions has been obtained.
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Combustion and Flame, 1985
Abstract This paper deals with the transient behavior of a flame flowing into a narrow channel from a chamber filled with a propaneair mixture. The flame was observed through direct or schlieren high speed photography, and at the same time the arrival at the entrance and exit of the channel were detected by ion gaps.
Norimasa Iida +2 more
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Abstract This paper deals with the transient behavior of a flame flowing into a narrow channel from a chamber filled with a propaneair mixture. The flame was observed through direct or schlieren high speed photography, and at the same time the arrival at the entrance and exit of the channel were detected by ion gaps.
Norimasa Iida +2 more
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Multiple speeds of flame edge propagation for Lewis numbers above one
Combustion Theory and Modelling, 2005Edges of diffusion flames in a counterflow burner are examined numerically for Lewis numbers greater than unity. When the speed of propagation is plotted against Damköhler number for a range of Lewis numbers a fold bifurcation is observed. It is shown that there exist stable positively and negatively propagating edges for some Damköhler number and ...
Thatcher, R. W., Omon-Arancibia, A. A.
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Image intensification with high-speed videography for flame propagation studies
SPIE Proceedings, 1990In the past, analysis of flame propagations within a spark ignition engine combustion chamber has been analyzed with pressure diagrams. These pressure diagrams have helped to develop the geometry within the combustion chamber. Photographing or electronically imaging the flame propagations are very important in the visualization of combustion ...
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Effect of Pressure on the Speed of Flame Propagation in a Turbulent Stream
ARS Journal, 1959S. A. GOL'DENBERG, V. S. PELEVIN
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