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  1. No Access

    Article

    Influence of Preionization on the Microchannel Structure of a Spark Discharge in Air in a Pin-Plane Gap

    The initial phase of a spark discharge in the gap between the pin (cathode) and a plane 1.5 mm long in atmospheric pressure air under conditions of preliminary photoionization by an auxiliary discharge was inv...

    A. A. Tren’kin, K. I. Almazova, A. N. Belonogov, V. V. Borovkov… in Technical Physics (2023)

  2. No Access

    Article

    Formation of the Microchannel Structure of a Spark Discharge in Air in the Gap Spike-Plane

    the formation of the microchannel structure of a spark discharge in the gap spike (cathode)-plane of 1.5 mm length in the air of atmospheric pressure was studied by the method of shadow photography. The images...

    A. A. Tren’kin, K. I. Almazova, A. N. Belonogov, V. V. Borovkov… in Technical Physics (2023)

  3. No Access

    Article

    Dynamics of the Spatial Structure of a Microsecond Pulsed Barrier Discharge Initiated in Atmospheric Pressure Air in the Point–Plane Geometry at Different Polarities of Feed Voltage

    The evolution of a microsecond pulsed barrier discharge initiated in atmospheric pressure air in the point–plane electrode geometry has been investigated using streak camera photorecording and shadow photograp...

    A. A. Tren’kin, K. I. Almazova, A. N. Belonogov, V. V. Borovkov… in Technical Physics (2021)

  4. No Access

    Article

    Мicrochannel Structure Parameters in the Initial Phase of a Spark Discharge in a Tip–Plane Gap in Atmospheric-Pressure Air

    The results of studying the initial phase of a spark discharge microstructure formation in a tip–plane gap 1.5 mm length in air are presented. Measurements show that, within 15 ns after breakdown, the channel ...

    K. I. Almazova, A. A. Amirova, A. N. Belonogov, V. V. Borovkov… in Technical Physics Letters (2021)

  5. No Access

    Article

    Investigation of the Dynamics of a Microstructured Spark Channel in Air in the “Tip (Anode)–Plane” Geometry at the Stage of Radial Expansion

    The results of investigations of a spark discharge in air in the gap between the tip (anode) and a 1.5‑mm-long plane are presented. It is shown that, after breakdown, the discharge develops in the form of a be...

    K. I. Almazova, A. N. Belonogov, V. V. Borovkov… in Plasma Physics Reports (2021)

  6. No Access

    Article

    Laser Probe Investigations of the Initial Stage of Spark Discharge in Air in the Tip (Cathode)–Plane Gap

    A spark discharge in a 1.5-mm-long tip (cathode)-plane gap in the time interval from the breakdown onset to 200 ns has been studied. Тhe discharge has been found to arise in the form of a bundle of microchanne...

    A. A. Tren’kin, K. I. Almazova, A. N. Belonogov, V. V. Borovkov… in Technical Physics (2020)

  7. No Access

    Article

    Plasma and Gas-Dynamic Near-Electrode Processes in the Initial Phase of a Microstructured Spark Discharge in Air

    The results of studies of the dynamics of near-electrode processes in the initial phase of a spark discharge in atmospheric-pressure air in the point-plane geometry are presented. After breakdown, regions of a...

    K. I. Almazova, A. N. Belonogov, V. V. Borovkov… in Technical Physics Letters (2020)

  8. No Access

    Article

    Dynamics of Gliding Arc Climbing in a Unipolar Jacob’s Ladder

    We have designed a device with a gliding unipolar arc of the Jacob’s ladder type. The dynamics of arc rising has been investigated. It is found that the arc climbs at a constant velocity on the major part of i...

    K. I. Almazova, A. N. Belonogov, V. V. Borovkov, E. V. Gorelov… in Technical Physics (2020)

  9. No Access

    Article

    Dynamics of the Initial Stage of the Spark and Diffuse Discharges in Air in a Point–Plane Gap at Different Parameters of the Tip Electrode

    Dynamics of the initial stage of discharge in air is studied at atmospheric pressure in a point–plane gap at different parameters of the tip electrode and lengths of the interelectrode gap. Spark or diffuse di...

    A. A. Tren’kin, K. I. Almazova, A. N. Belonogov, V. V. Borovkov… in Technical Physics (2019)

  10. No Access

    Article

    Investigation of Spark Discharge Dynamics in an Air-Filled Point–Plane Gap by Shadow Photography

    The microchannel structure of a spark discharge in a 1.5-mm-long point–plane gap has been studied by the method of shadow photography. The discharge dynamics (propagation of microchannels from the point into t...

    K. I. Almazova, A. N. Belonogov, V. V. Borovkov, E. V. Gorelov… in Technical Physics (2019)

  11. No Access

    Article

    Microstructure of a Spark Discharge in Air in a Point–Plane Gap

    A microchannel structure of a spark discharge initiated in atmospheric-pressure air in a point–plane gap has been discovered by shadow photography. The structure has been observed since the onset of the discha...

    K. I. Almazova, A. N. Belonogov, V. V. Borovkov, E. V. Gorelov… in Technical Physics (2018)

  12. No Access

    Article

    Analysis of propagation of ionization waves in nonuniform channels with noncircular cross sections

    We investigate the propagation of ionization waves in nonuniform channels of a dc glow discharge. The dependences of the distances between adjacent strata on the cross-sectional area of the channel are measure...

    A. N. Belonogov, A. E. Dubinov, A. N. Maksimov, M. S. Mironenko in Technical Physics (2014)

  13. No Access

    Article

    Investigation of the foil destruction dynamics in an explosively formed fuse opening switch by proton radiography

    The dynamics of mechanical destruction of a conductor in an explosively formed fuse opening switch on a finned obstacle under the action of detonation products is studied in the injection channel of the U-70 p...

    V. D. Selemir, V. A. Demidov, A. S. Boriskin, Yu. A. Trutnev… in Technical Physics (2012)