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  1. No Access

    Article

    Pulse–Periodic Diffuse Discharge with Self-Ionization in a Gas Flow

    A pulse–periodic diffuse discharge self-initiated in an atmospheric-pressure air flow passing through an annular gap with a strongly nonuniform electric field has been studied. The discharge serves as a source...

    S. N. Buranov, V. V. Gorokhov, V. I. Karelin, V. D. Selemir… in Technical Physics (2020)

  2. No Access

    Article

    Parameters of a Microstructure of Erosion Regions during the Action of a Spark Discharge on a Copper Electrode Surface in Air

    The parameters of a microstructure of regions of action of a spark discharge on a copper plane electrode surface in air at atmospheric pressure in the spike–plane gap both for positive and negative polarity of...

    A. A. Tren’kin, V. I. Karelin, Yu. M. Shibitov, O. M. Blinova in Technical Physics (2018)

  3. No Access

    Article

    Statistical Studies of the Electric Breakdown in Nitrogen in the Duration Range of 3 ms–60 min

    The statistical characteristics of an electric breakdown in the nitrogen in the spike (cathode)–plane gap in the duration range of (3 × 10–3)–3600 s at voltages close to a static breakdown have been studied. It h...

    V. V. Gorokhov, V. I. Karelin, A. V. Perminov, P. B. Repin in Technical Physics (2018)

  4. No Access

    Article

    Microstructure of the regions on a plane copper electrode surface affected by a spark discharge in air in the point–plane gap

    The microstructure of the regions affected by spark discharge on the surface of a plane copper electrode in atmospheric air in the point–plane gap has been studied using a scanning electron microscope for both...

    A. A. Tren’kin, V. I. Karelin, Yu. M. Shibitov, O. M. Blinova… in Technical Physics (2017)

  5. No Access

    Article

    Morphology of the imprints of spark current channels in a point–plane gap in air

    Using the autograph (imprint) method, the imprint microstructure of current channels that are associated with a submicrosecond spark initiated in air in a point–plane gap with the point charged both negatively...

    V. I. Karelin, A. A. Tren’kin, Yu. M. Shibitov, O. M. Blinova… in Technical Physics (2016)

  6. No Access

    Article

    Dynamics of the spatial structure of pulsed discharges in dense gases in point cathode−plane anode gaps and their erosion effect on the plane electrode surface

    The dynamics of the spatial structure of the plasma of pulsed discharges in air and nitrogen in a nonuniform electric field and their erosion effect on the plane anode surface were studied experimentally. It i...

    E. Kh. Baksht, O. M. Blinova, M. V. Erofeev, V. I. Karelin… in Plasma Physics Reports (2016)

  7. No Access

    Article

    An indirectly heated metal oxide hot cathode with a 100-cm2 area

    Results of designing of a sectioned metal oxide hot cathode with indirect heating and a total emission coating area of 100 cm2 are described. The design of the hot cathode enables control of the working surface t...

    M. M. Ivanov, V. I. Karelin, V. V. Gorokhov… in Instruments and Experimental Techniques (2016)

  8. No Access

    Article

    Dynamics of the microstructure of current channels and the generation of high-energy electrons in nanosecond discharges in air

    The results of the three-dimensional numerical simulation of the dynamics of the microstructure of high-voltage nanosecond discharges in air at atmospheric pressure are presented. It is established that the fa...

    V. I. Karelin, A. A. Trenkin, I. G. Fedoseev in Physics of Atomic Nuclei (2015)

  9. No Access

    Article

    A low-frequency high-power arbitrary-shape voltage pulse generator

    A circuit diagram and design of the arbitrary-shape bipolar voltage pulse generator with amplitudes up to 800 V and a peak output on a matched load of 400 kW are described. The generator is based on car rechar...

    A. V. Limonov, A. V. Perminov, S. V. Voevodin… in Instruments and Experimental Techniques (2013)

  10. No Access

    Article

    High-energy electrons in nanosecond high-voltage discharges develo** in the regime of microstructured current channels

    A mechanism responsible for the generation of high- and anomalous-energy electrons is formulated on the basis of a fractal model of the spatial structure of nanosecond gas discharges. The proposed mechanism ad...

    V. I. Karelin, A. A. Tren’kin in Technical Physics Letters (2009)

  11. No Access

    Article

    Formation of the microscopic structure of high-voltage nanosecond diffuse discharges in sharply nonuniform geometry

    The possibility of the development of ionization instability in the avalanche and plasma phases (of the long-wave and short-wave type, respectively) is demonstrated for high-voltage nanosecond discharges in sh...

    V. I. Karelin, A. A. Tren’kin in Technical Physics (2008)

  12. No Access

    Article

    Self-similar spatial structure of a streamer-free nanosecond discharge

    The microstructure of a current channel is experimentally found under the conditions when homogeneous air gaps are subjected to nanosecond voltage pulses in an electric field insufficient for streamer generati...

    V. I. Karelin, A. A. Tren’kin in Technical Physics (2008)

  13. No Access

    Article

    Electric fields in compact clusters of parallel current channels

    The electric field in compact clusters of parallel current channels is calculated in the model of a bundle of long parallel cylindrical conductors. It is shown that, because of the mutual neutralization of the...

    V. I. Karelin, A. A. Tren’kin in Technical Physics (2006)

  14. No Access

    Article

    The Effect of a High-Voltage Diffuse Gas Discharge on Microbiological Cultures

    The results are given of investigation of the inactivation of microbiological cultures in moist and dry states by low-temperature plasma of a low-power diffuse pulse-periodic discharge (up to 5 W) initiated in...

    S. N. Buranov, S. V. Voevodin, I. A. Voevodina, P. S. Zubeev… in High Temperature (2005)

  15. No Access

    Article

    Study of the microscopic characteristics of a repetitive microsecond barrier discharge

    Results are presented from investigations of the electric, optical, and spatial characteristics of a microsecond barrier discharge in atmospheric-pressure air in a uniform electric field. The currents in indiv...

    S. N. Buranov, V. V. Gorokhov, V. I. Karelin, P. B. Repin in Technical Physics (2004)

  16. No Access

    Article

    Spatial macroscopic structure of a pulsed microsecond discharge in barrier-metal gaps with a nonuniform electric field distribution

    Electric and spatial characteristics of a pulse-periodic microsecond barrier discharge are investigated in different geometries—triangular prism, plate, and corrugated electrode—that are in contact with a diel...

    S. N. Buranov, V. V. Gorokhov, V. I. Karelin, A. A. Tren’kin in Technical Physics (2004)

  17. No Access

    Article

    A Pulsed Low-Hardness X-Ray Source For Radiography in Explosive Experiments

    A simple X-ray unit with an effective radiation energy of 50 keV and a pulse FWHM duration of ∼25 ns is described. The unit is designed on the basis of a mass-produced high-voltage nanosecond generator synchro...

    A. S. Boriskin, A. Ya. Brodsky, V. I. Karelin… in Instruments and Experimental Techniques (2003)

  18. No Access

    Article

    Electrical explosion of a wire by microsecond pulses in a longitudinal magnetic field

    The explosion of a tungsten wire in a weak longitudinal magnetic field is studied. The longitudinal magnetic field is shown to decrease the rate of rise of initial perturbations and to stabilize the process. T...

    A. A. Volkov, E. V. Grebenev, P. S. Dydykin, V. F. Ermolovich… in Technical Physics (2002)

  19. No Access

    Article

    A compact high-voltage nanosecond marx generator based on air-field dischargers

    Results of the development and study of a 14-stage air high-voltage pulse generator with an output voltage of up to 250 kV, a current rise time of 10 ns, and blow capacitance of 400 pF are presented. The desig...

    S. V. Voevodin, V. V. Gorokhov, V. I. Karelin in Instruments and Experimental Techniques (2000)