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Multipoint Ignition of a Gas Mixture by a Microwave Subcritical Discharge with an Extended Streamer Structure

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Abstract

The results of experimental studies on using an electrical discharge with an extended streamer structure in a quasioptical microwave beam in the multipoint ignition of a propane–air mixture have been reported. The pulsed microwave discharge was initiated at the interior surface of a quartz tube that was filled with the mentioned flammable mixture and introduced into a microwave beam with a subbreakdown initial field. Gas breakdown was initiated by an electromagnetic vibrator. The dependence of the type of discharge on the microwave field strength was examined, the lower concentration threshold of ignition of the propane–air mixture by the studied discharge was determined, and the dynamics of combustion of the flammable mixture with local and multipoint ignition were compared.

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Authors and Affiliations

  1. Moscow Radiotechnical Institute, Russian Academy of Sciences, Moscow, 117519, Russia

    K. V. Aleksandrov, N. I. Busleev, L. P. Grachev, I. I. Esakov & A. A. Ravaev

Authors
  1. K. V. Aleksandrov
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  2. N. I. Busleev
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  3. L. P. Grachev
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  4. I. I. Esakov
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  5. A. A. Ravaev
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Corresponding author

Correspondence to L. P. Grachev.

Additional information

Original Russian Text © K.V. Aleksandrov, N.I. Busleev, L.P. Grachev, I.I. Esakov, A.A. Ravaev, 2018, published in Zhurnal Tekhnicheskoi Fiziki, 2018, Vol. 63, No. 2, pp. 174–179.

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Aleksandrov, K.V., Busleev, N.I., Grachev, L.P. et al. Multipoint Ignition of a Gas Mixture by a Microwave Subcritical Discharge with an Extended Streamer Structure. Tech. Phys. 63, 167–171 (2018). https://doi.org/10.1134/S1063784218020020

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  • DOI: https://doi.org/10.1134/S1063784218020020

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