Перегляд за автором "Yegorenkov, V.D."

Сортувати за: Порядок: Результатів:

  • Axial structure of DC glow discharge negative glow in nitrogen 
    Lisovskiy, V.A.; Derevyanko, V.A.; Kravchenko, E.A.; Yegorenkov, V.D. (Вопросы атомной науки и техники, 2012)
    We registered axial profiles of electron temperature, plasma potential and concentration of the direct current glow discharge in nitrogen at different gas pressure and discharge current values. We observed that in a broad ...
  • Axial structure of hollow cathode DC glow discharge in different burning modes 
    Lisovskiy, V.A.; Bogodielnyi, I.A.; Yegorenkov, V.D. (Вопросы атомной науки и техники, 2013)
    The axial profiles of the electron temperature, plasma concentration and plasma potential in a DC glow discharge in nitrogen with a hollow cathode were registered with probe technique. At low pressure (0.05 Torr) the ...
  • Burning modes of a bipolar pulsed discharge in CO₂ 
    Lisovskiy, V.A.; Dudin, S.V.; Vusyk, M.M.; Yegorenkov, V.D. (Вопросы атомной науки и техники, 2020)
    We have studied the burning modes of the bipolar pulsed discharge in CO₂ within the frequency range between 20 and 300 kHz and the duty cycle of 11…97%. The current and voltage waveforms within the pressure range between ...
  • Burning modes of dc low pressure discharge with a transverse constriction 
    Lisovskiy, V.A.; Ogloblina, P.A.; Yegorenkov, V.D. (Вопросы атомной науки и техники, 2015)
    This paper reports the current-voltage characteristics (CVCs) of dc discharge in different modes of burning we registered for several values of the transverse constriction diameter in a broad nitrogen pressure range. ...
  • Calculating reduced electric field in diffusion regime of DC discharge positive column 
    Lisovskiy, V.A.; Artushenko, E.P.; Yegorenkov, V.D. (Вопросы атомной науки и техники, 2015)
    The present paper outlines an analytical model of the positive column of the direct current discharge in a diffusion mode. We consider the case when charged particles are produced through direct ionization of gas molecules ...
  • Child-Langmuir law for cathode sheath of glow discharge in CO₂ 
    Lisovskiy, V.A.; Krol, H.H.; Osmayev, R.O.; Yegorenkov, V.D. (Вопросы атомной науки и техники, 2017)
    This work is devoted to the determination of the law that may be applicable to the description of the cathode sheath in CO₂. To this end three versions of the Child-Langmuir law have been considered – a collision free one ...
  • Control of reduced electric field in the positive column of a pulsed discharge in CO₂ 
    Lisovskiy, V.A.; Dudin, S.V.; Vusyk, M.M.; Osmayev, R.O.; Yegorenkov, V.D.; Platonov, P.P. (Problems of Atomic Science and Technology, 2023)
    The electric field strength in the positive column of dc and bipolar pulsed discharges in carbon dioxide was de-termined by the method of moving electrodes. It is shown that an increase in the frequency of the pulse voltage ...
  • DC gas breakdown and townsend discharge in CO₂ 
    Lisovskiy, V.A.; Dudin, S.V.; Platonov, P.P.; Yegorenkov, V.D. (Вопросы атомной науки и техники, 2020)
    We report the breakdown curves and current-voltage characteristics (CVC) of the Townsend mode DC discharge we have measured in carbon dioxide. We compare the breakdown curves measured with two different techniques. With ...
  • Does electric field nonuniformity affect gas breakdown? 
    Lisovskiy, V.A.; Osmayev, R.O.; Yegorenkov, V.D. (Вопросы атомной науки и техники, 2015)
    This paper presents the results of studying the gas breakdown in the nonuniform constant electric field. We registered the discharge breakdown curves in nitrogen between flat electrodes of 12 mm in diameter and spaced 5 ...
  • Flat electrode diameter effect on glow discharge structure and properties 
    Lisovskiy, V.A.; Osmayev, R.O.; Yegorenkov, V.D. (Вопросы атомной науки и техники, 2019)
    This paper is devoted to studying the effect of flat electrode diameter values on current-voltage characteristics and axial structure of the glow discharge in nitrogen. We have demonstrated that the discharge current ...
  • Formation stages of pulsed discharge in oxygen and carbon tetrafluoride 
    Lisovskiy, V.A.; Ogloblina, P.A.; Dudin, S.V.; Yegorenkov, V.D.; Dakhov, A.N.; Farenik, V.I. (Журнал физики и инженерии поверхности, 2016)
    This paper reports the current and voltage oscilloscope waveforms of a pulsed discharge measured in a broad range of frequencies (from 20 to 300 kHz) and duty cycle from 0.15 to 0.85 for two values of oxygen and carbon ...
  • Forming a unipolar pulsed discharge in nitrogen 
    Lisovskiy, V.A.; Ogloblina, P.A.; Dudin, S.V.; Yegorenkov, V.D.; Dakhov, A.N. (Вопросы атомной науки и техники, 2016)
    This paper reports the current and voltage oscillograms of the pulsed discharge in the wide frequency range (from 20 to 300 kHz) with the duty cycle from 15 to 85 % for two values of the nitrogen pressure 0.1 and 1 Torr. ...
  • Gas breakdown in DC electric field in a discharge tube with flat and conical cathodes 
    Lisovskiy, V.A.; Osmayev, R.O.; Yegorenkov, V.D. (Вопросы атомной науки и техники, 2014)
    This paper reports dc breakdown curves we registered between a flat anode and cathodes of various design: a flat one and cones of different height; the least inter-electrode distance was kept constant. We observed that the ...
  • Glow discharge with a hollow cathode in carbon dioxide 
    Lisovskiy, V.A.; Dudin, S.V.; Platonov, P.P.; Osmayev, R.O.; Yegorenkov, V.D. (Problems of Atomic Science and Technology, 2022)
    This paper is devoted to an experimental study of the dc discharge with a hollow cathode within the carbon dioxide pressure range of 0.06…2 Torr. The registered CVCs in the pressure range below 0.5 Torr possess a hysteretic ...
  • Inter-electrode distance effect on dc discharge characteristics in nitrogen 
    Lisovskiyс, V.A.; Artushenko, K.P.; Yegorenkov, V.D. (Вопросы атомной науки и техники, 2015)
    This paper studies the inter-electrode distance effect on voltage drop across it and cathode sheath thickness. The voltage across the electrodes and the sheath thickness are found to increase when the anode moves away from ...
  • Magnetohydrodynamic wave spectra in large tokamaks with non-circular cross section of magnetic surfaces 
    D’yakov, V.Ye.; Girka, I.A.; Yegorenkov, V.D.; Stepanov, K.N. (Вопросы атомной науки и техники, 2000)
    There is considered the problem on the spectra of magnetohydrodynamic (MHD) waves with the frequencies of the order of the ion cyclotron frequency propagating almost along the toroidal magnetic field in the large-size ...
  • Normal mode of dc discharge in argon, hydrogen and oxygen 
    Lisovskiy, V.A.; Artushenko, K.P.; Yegorenkov, V.D. (Вопросы атомной науки и техники, 2016)
    This paper reports the current-voltage characteristics and the j/p²similarity parameter determination in argon, hydrogen and oxygen in the pressure range from 0.1 to 10 Torr. Experiments have been performed in the discharge ...
  • Plasma sterilization in low-pressure RF discharge 
    Lisovskiy, V.A.; Yakovin, S.D.; Yegorenkov, V.D.; Terent’eva, A.G. (Вопросы атомной науки и техники, 2000)
    The present paper clarifies the conditions under which the process of plasma sterilization of medical tools may be efficiently performed in the RF capacitive gas discharge of low pressure in air. Experiments were performed ...
  • Positive column contraction of the glow discharge in nitrogen 
    Lisovskiy, V.A.; Derevianko, V.A.; Yegorenkov, V.D. (Вопросы атомной науки и техники, 2017)
    This paper studies the diffuse mode of the positive column in nitrogen, the contracted one near the threshold of its onset as well as the transition between these modes. The dynamics of the reduced electric field E/p ...
  • Positive ion motion in cathode sheath of glow discharge in N₂O 
    Lisovskiy, V.A.; Artushenko, E.P.; Yegorenkov, V.D. (Вопросы атомной науки и техники, 2013)
    It is established which of the Child-Langmuir collision law versions is most appropriate for describing the processes in the cathode sheath in the N₂O. At low pressure (up to 0.3 Torr) the Child-Langmuir law version relating ...