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Перегляд Вопросы атомной науки и техники, 2018, № 4 за датою випуску

Репозиторій DSpace/Manakin

Перегляд Вопросы атомной науки и техники, 2018, № 4 за датою випуску

Сортувати за: Порядок: Результатів:

  • Design of a gas cell for laser wakefield acceleration of electrons 
    Golovanov, A.A.; Lebedev, V.S.; Kostyukov, I.Yu. (Вопросы атомной науки и техники, 2018)
    Laser-wakefield acceleration of electrons in a gas cell is considered. The OpenFOAM package is used to study the influence of the parameters of the cell on the density profile. Particle-in-cell simulations of laser ...
  • Wakefield excitation by a laser pulse in a dielectric medium 
    Balakirev, V.A.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2018)
    The process of Cherenkov electromagnetic field excitation by а laser pulse in the dielectric waveguide is investigated. Nonlinear electric polarization in an isotropic dielectric medium and, accordingly, polarization charges ...
  • Іnteraction between a tubular beam of charged particles and an anisotropic dispersive solid-state cylinder 
    Averkov, Yu.O.; Prokopenko, Yu.V.; Yakovenko, V.M. (Вопросы атомной науки и техники, 2018)
    The interaction between a tubular beam of charged particles and a nonmagnetic anisotropic dispersive medium of cylindrical configuration has been investigated. It has been found the absolute instability of bulk-surface ...
  • Radiation of a charged particle in the ideally conducting metal waveguide filled with a spatially periodic layered dielectric 
    Tkachenko, V.I.; Tkachenko, I.V.; Tolstoluzhsky, A.P.; Khizhnyak, S.N. (Вопросы атомной науки и техники, 2018)
    The parametric Cherenkov radiation of a uniformly moving particle in an ideally conducting metal waveguide filled with a spatially periodic layered dielectric is investigated analytically and numerically for the case of ...
  • Тhe possibility of acceleration of ions by a electron beam which generated by a magnetron gun when transition to plasma mode 
    Cherenshchykov, S.A. (Вопросы атомной науки и техники, 2018)
    When the magnetron gun is switched to high-current plasma mode, a singularity of the current pulse on the collector is observed. This singularity is that the current is opposite to the voltage. An acceleration of ions by ...
  • Dielectric waveguides for electron acceleration by laser pulse wakefield 
    Balakirev, V.A.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2018)
    Conditions on parameters of the dielectric waveguides are determined for the possibility of laser pulse propagation with relativistic group velocity. In such waveguides laser pulse can excite electromagnetic wake waves, ...
  • Formation of cavities in the ionospheric plasma due to localized electrostatic turbulence 
    Chibisov, D.V. (Вопросы атомной науки и техники, 2018)
    The possibility of formation of lower hybrid cavities in plasma of the terrestrial ionosphere and magnetosphere due to the interaction of plasma with inhomogeneous axially symmetric electrostatic turbulence is ...
  • Оzone decay in chemical reactor with the developed inner surface: air-ethylene mixture 
    Manuilenko, О.V.; Kudin, D.V.; Dulphan, A.Ya.; Golota, V.I. (Вопросы атомной науки и техники, 2018)
    The ozone decay in air-ethylene mixture was studied in a free space as well as in a chemical reactor with a developed inner surface on which ozone dissociates or absorbs. It is shown that both in the case of ozone decay ...
  • Investigation of multibunch wakefield excitation in dielectric compound-resonator 
    Berezina, G.P.; Galaydych, K.V.; Krivonosov, G.A.; Linnik, A.F.; Omelaenko, O.L.; Onishchenko, I.N.; Pristupa, V.I.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2018)
    Theoretical and experimental studies of the wakefield excitation in a dielectric compound-resonator by the train of electron bunches injected from the "Almaz-2M" accelerator are presented. The compound-resonator is a ...
  • Нigh-current ion beam compensation in a section of an induction linac 
    Karas’, V.I.; Kornilov, E.A.; Manuilenko, O.V.; Tarakanov, V.P.; Fedorovskaya, O.V. (Вопросы атомной науки и техники, 2018)
    The particle transport dynamics in the section of a linear induction accelerator (LIA) has been studied. The system and beams parameters (the magnetic field magnitude, the system dimensions, the beams parameters), ...
  • Accelerating field excitation, occurrence and evolution of electron beam near Jupiter 
    Maslov, V.I.; Fomina, A.P.; Kholodov, R.I.; Levchuk, I.P.; Nikonova, S.A.; Novak, O.P.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2018)
    When electron beam, formed Io-Jupiter penetrates into Jupiter plasma the beam-plasma instability develops. Then electron distribution function becomes wider by excited fields. These electrons cause UV polar light. The ...
  • Сathode design effect on gas breakdown and modes of burning of the glow discharge in nitrogen 
    Lisovskiy, V.A.; Osmayev, R.O.; Yegorenkov, V.D. (Вопросы атомной науки и техники, 2018)
    This paper reports the breakdown curves and current-voltage characteristics we have measured for the discharge in the dc electric field. It has been found that almost all breakdown curves measured for cathodes of different ...
  • Еlectrodes dimensions effect on the self-sustained plasma-beam discharge power 
    Hrechko, Ya.O.; Azarenkov, N.A.; Babenko, Ie.V.; Ryabchikov, D.L.; Sereda, I.N.; Boloto, D.A.; Tseluyko, A.F. (Вопросы атомной науки и техники, 2018)
    The possibility of increasing the active power inputted into the discharge is shown by reducing the working surface area of the high-voltage electrode in high-current pulsed plasma diode of low-pressure. Under conditions ...
  • Сalculations of plasma parameters for high power impulse reflex discharge 
    Kovtun, Yu.V. (Вопросы атомной науки и техники, 2018)
    The temporal behavior of the plasma parameters in a high power impulse reflex discharge are investigated using a time dependent global (volume averaged) model. The density of neutral atoms and cathode material ions ...
  • Simulating multigun system with Langmuir law emission current 
    Martynenko, P.A. (Вопросы атомной науки и техники, 2018)
    The results of numerical calculations of charged particle trajectories in a three-electrode structure are presented. A complex behavior is considered in the numerical calculations by the method of flow tubes of beams with ...
  • Beam and target parameters measurement system on helium ions linear accelerator 
    Anokhin, R.A.; Dubnyuk, S.N.; Dyachenko, A.F.; Kobets, A.P.; Manuilenko, O.V.; Pavlii, K.V.; Shevchenko, A.S.; Soshenko, V.A.; Tishkin, S.S.; Zabotin, A.V.; Zajtsev, B.V.; Zhuravlyov, A.V. (Вопросы атомной науки и техники, 2018)
    A system for measuring beam and target parameters on helium ions linear accelerator is presented. The measurement system consists of sensors set, signal converters and computer with codes for processing experimental ...
  • Last results of novel plasmaoptical devices investigation 
    Goncharov, A.A.; Dobrovolsky, A.M.; Bazhenov, V.Yu.; Litovko, I.V.; Naiko, I.V.; Naiko, L.V.; Kostin, E.G.; Protsenko, I.M. (Вопросы атомной науки и техники, 2018)
    The combined system composed of the vacuum arc evaporator and plasmaoptical system with plasma lens (PL) geometry are presented and studied. The plasmadynamical characteristics of high density low energy plasma flow propagating ...
  • Оn possibility of external magnetic field application for electrical insulation of electrodes 
    Shulika, O.N. (Вопросы атомной науки и техники, 2018)
    To investigate the influence of spatially-nonuniform external magnetic field on electrical strength of interelectrode gaps, PIC-simulation of DC breakdown has been performed. Preliminary results have shown breakdown ...
  • Power supply development for ion source of accelerator MLUD-3 
    Gussev, Ye.V.; Manuilenko, O.V.; Sokol, V.N.; Turchin, А.А.; Zhiznevsky, V.V. (Вопросы атомной науки и техники, 2018)
    The paper presents the results obtained during the development of the design of the power supply for a ions source of the douplasmatron type with a hollow cold cathode, which operates in a pulsed mode .The experience ...
  • Мonitoring the capacitor charge voltage in the pulse voltage generator using the accelerator of relativistic electron beams 
    Batrakov, A.B.; Glushko, E.G.; Zinchenko, A.A.; Lonin, Yu.F.; Ponomaryov, A.G.; Fedotov, S.I. (Вопросы атомной науки и техники, 2018)
    Noise-protected high charge voltage meter was manufactured using terminal capacitors of the four-channel pulse voltage generator (PVG). The noise protection is provided by the use of communication lines with fiberoptic ...

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