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Перегляд Problems of Atomic Science and Technology, 2019, № 4 за назвою

Репозиторій DSpace/Manakin

Перегляд Problems of Atomic Science and Technology, 2019, № 4 за назвою

Сортувати за: Порядок: Результатів:

  • A fractal accelerator on the basis of a corrugated plasma waveguide with superconducting walls 
    Tkachenko, I.V.; Tkachenko, V.I. (Вопросы атомной науки и техники, 2019)
    The use of a two-stage mechanism for the acceleration of charged particles is proposed. The principle of acceleration is based on the use of the fractal properties of the wave spectrum of a corrugated plasma waveguide with ...
  • Application of radiation processes for testing of gas turbine blades 
    Bazaleev, M.I.; Bryukhovetsky, V.V.; Donets, S.Ye.; Klepikov, V.F.; Lytvynenko, V.V.; Prokhorenko, E.M.; Startsev, O.A.; Lonin, Yu.F.; Ponomarev, A.G.; Uvarov, V.T. (Вопросы атомной науки и техники, 2019)
    Structural integrity of the gas turbine blades is of great concern. A set of methods and instruments is proposed to study the problems of the test loading of the industrial turbine blades. The approach aims to model the ...
  • Azimuthal stability of trichel pulses and cathode directed streamers 
    Bolotov, O.; Kadolin, B.; Mankovskyi, S.; Ostroushko, V.; Pashchenko, I.; Taran, G.; Zavada, L. (Вопросы атомной науки и техники, 2019)
    The numerical simulations of negative corona discharge in Trichel pulse mode are carried out with the calculation of evolution of azimuthal perturbations. It is found the azimuthal instability with increment corresponding ...
  • Basic plasma features of planar jet formed by capacitive RF discharge in atmosphere pressure argon 
    Bazhenov, V.Yu.; Gubarev, S.M.; Tsiolko, V.V. (Вопросы атомной науки и техники, 2019)
    Upgraded method of determining basic parameters of weakly ionized plasma by means of photometric study of bremsstrahlung emission continuum in visible spectrum range is described. Time-averaged spatial distributions of ...
  • Cherenkov radiation of a laser pulse in ion dielectrics 
    Balakirev, V.A.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2019)
    The process of excitation of Cherenkov electromagnetic radiation by a laser pulse in ion dielectric waveguide is investigated. Nonlinear electric polarization in isotropic ion dielectric medium and, accordingly, polarization ...
  • Determination of discharge gap conduction in the plasma switch 
    Skibenko, E.I.; Ozerov, A.N.; Yuferov, V.B. (Вопросы атомной науки и техники, 2019)
    Operational analysis and the obtained results are presented for nanosecond pulsed current/voltage generators involving use of plasma switches, shortly PCS-PCI. The electrical conduction in the plasma-filled discharge gap ...
  • Digital identification of the emission spectrum lines of magnetron discharge 
    Afanasіeva, I.A.; Afanasiev, S.N.; Bobkov, V.V.; Gritsyna, V.V.; Drozdov, D.R.; Logachev, Yu.E.; Skrypnyk, A.A.; Shevchenko, D.I. (Вопросы атомной науки и техники, 2019)
    To obtain the qualitative and quantitative characteristics of the discharge plasma spectrum in the Python programming language, a multifunctional interactive GUI-application OSA (Optical Spectrum Analyzed) was created. The ...
  • Effect of negative shift of metalhydride cathode on the emission of H⁻ ions from penning discharge 
    Sereda, I.; Tseluyko, A.; Hrechko, Ya. (Вопросы атомной науки и техники, 2019)
    On the basis of numerical calculations, the experimental results obtained by the authors in the study of the source of negative hydrogen ions of the Penning type with a metal hydride cathode are explained. It was shown ...
  • Effect of pulsed substrate biasing on macroparticle in vacuum arc 
    Romashchenko, E.V.; Bizyukov, A.A.; Girka, I.О. (Вопросы атомной науки и техники, 2019)
    An analytical model of the interaction of macroparticle (MP) with vacuum arc plasma in plasma immersion ion implantation (PIII) is presented. The proposed model is based on combination of the theory of charge dynamics of ...
  • Effect of transition radiation and dispersion spreading at achievement of a large transformer ratio of driver-bunch energy into wakefield in a dielectric resonator accelerator 
    Maslov, V.I.; Bondar, D.S.; Onishchenko, I.N.; Papkovich, V.G. (Вопросы атомной науки и техники, 2019)
    Possibility of increase of transformer ratio TR in the case of the profiled sequence of bunches at their injection in a two-beam electron-positron dielectric-resonator collider is considered. Unlike considered earlier the ...
  • Evolution of the wake wave excided by the sequence of the relativistic electron bunches 
    Vynnyk, O.K.; Anisimov, I.O. (Вопросы атомной науки и техники, 2019)
    The amplitude of plasma waves, excited by the resonant sequence of electron bunches, saturates after passage of some number of bunches. This behavior was observed and simulated, using particle-in-cell code, but was not ...
  • Excitation of plasma by electric pulses in neon medium 
    Zaleskyi, D.Yu.; Krivonosov, G.A.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2019)
    We studied characteristics of the neon plasma source excited in the atmosphere under the following conditions: gas pressure is about 2 Torr, rectangular pulses have an amplitude from 200 to 800 V, pulse duration is from ...
  • Features of weakly nonlinear wave interaction 
    Buts, V.A.; Kovalchuk, I.K.; Tolstoluzhsky, A.P. (Вопросы атомной науки и техники, 2019)
    Regular and stochastic dynamics of three wave interaction and dynamics of cascades of such three wave processes were investigated. It was shown that matrix elements of wave interaction are inversely proportional to square ...
  • Formation of light impurities in a hydrogen plasma at initial stage of a discharge 
    Yuferov, V.B.; Skibenko, E.I.; Tkachov, V.I.; Katrechko, V.V.; Svichkar, A.S. (Вопросы атомной науки и техники, 2019)
    Analyzing the dynamics of density for atomic and molecular hydrogen ions, the values of atomic hydrogen and UV radiation fluxes to the walls of the plasma chamber were obtained, resulting in light impurities of carbon and ...
  • Helicons in plasma solid-state waveguide of cylindrical configuration 
    Averkov, Yu.O.; Prokopenko, Yu.V.; Yakovenko, V.M. (Вопросы атомной науки и техники, 2019)
    The theory of electromagnetic eigenwaves of a cylindrical plasma waveguide located in a constant longitudinal magnetic field has been created. A dispersion equation has been obtained under condition when the ratio of the ...
  • High-frequency oscillations in plasma of lower hybrid cavities 
    Azarenkov, N.A.; Chibisov, D.V. (Вопросы атомной науки и техники, 2019)
    The problem of the presence of high-frequency oscillations in lower hybrid cavities in the plasma of the earth's ionosphere is considered. It is assumed that the oscillations in the cavity are excited due to the ring ion ...
  • High-voltage modulator of the Linac injector with voltage pulse stabilization 
    Anokhin, R.A.; Dubniuk, S.N.; Gaponenko, N.I.; Kobets, A.P.; Kravchenko, A.I.; Manuilenko, O.V.; Reshetnikov, V.N.; Shevchenko, A.S.; Soshenko, V.A.; Svichenskiy, V.G.; Zajtsev, B.V.; Zabotin, A.V.; Zhuravlyov, V.G.; Zhuravlyov, A.V. (Вопросы атомной науки и техники, 2019)
    The high-voltage pulse modulator based on the modern semiconductor elements is described. The modulator is intended for use in the power supply system of LINAC helium ions injector and has the ability to smoothly adjust ...
  • Ignition and properties of RF capacitive discharge in acetylene 
    Lisovskiy, V.A.; Dudin, S.V.; Platonov, P.P.; Bogatyrenko, S.I.; Minenkov, A.A. (Вопросы атомной науки и техники, 2019)
    In the present work, we measured breakdown and extinction curves of radio-frequency discharge in acetylene as well as dependences of active current, power and gas pressure on the discharge burning time, and also optical ...
  • Improved burning down protection system of industrial electron accelerators outlet window foil 
    Bandurov, S.O.; Lozhkin, R.S.; Shishkin, G.О. (Вопросы атомной науки и техники, 2019)
    The results of the industrial electron accelerators protection system deficiencies analysis in the event of emergency conditions are given and the ways to improve it are suggested in the article. The principle of the ...
  • Methods for control the self-sustained plasma-beam discharge at high energy density 
    Hrechko, Ya.O.; Azarenkov, N.A.; Tseluyko, A.F.; Ryabchikov, D.L.; Sereda, I.N. (Вопросы атомной науки и техники, 2019)
    Three methods for control the self-sustained plasma-beam discharge at high energy density are presented in this paper. Using a particular method, it is possible to set the location of the double layers formation in the ...

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