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Effect of modulations of opposed gas flow velocity on flame spread rate over a liquid surface

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Combustion, Explosion, and Shock Waves Aims and scope

Abstract

The effect of modulations of the velocity of the gas flow incident on the flame on the average flame velocity over a shallow liquid is studied. It is shown that the average flame velocity depends on the modulation frequency. If the modulation frequency is higher than the flame oscillation eigenfrequency, then, upon the imposition of the modulation, the flame velocity first increases and then gradually returns to the initial value. At frequencies close to the flame oscillation eigenfrequency, the average flame velocity is constant but is higher than the initial value.

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Authors and Affiliations

  1. Institute of Chemical Kinetics and Combustion, Siberian Division, Russian Academy of Sciences, Novosibirsk, 630090, Russia

    V. V. Zamashchikov

  2. Novosibirsk State University, Novosibirsk, 630090, Russia

    V. V. Zamashchikov

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  1. V. V. Zamashchikov
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Correspondence to V. V. Zamashchikov.

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Translated from Fizika Goreniya i Vzryva, Vol. 45, No. 1, pp. 11–17, January–February, 2009.

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Zamashchikov, V.V. Effect of modulations of opposed gas flow velocity on flame spread rate over a liquid surface. Combust Explos Shock Waves 45, 8–13 (2009). https://doi.org/10.1007/s10573-009-0002-z

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  • DOI: https://doi.org/10.1007/s10573-009-0002-z

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