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

Репозиторій DSpace/Manakin

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

Сортувати за: Порядок: Результатів:

  • The model of gas discharge sustained by the quadrupole electromagnetic wave in waveguide structure with varying radius of metal enclosure 
    Azarenkov, N.A.; Olefir, V.P.; Sporov, A.E. (Вопросы атомной науки и техники, 2019)
    This article presents the results of the theoretical study of stationary state of gas discharge sustained by the electromagnetic wave with azimuth wavenumber m=−2 in three component magnetized plasma-metal waveguide structure ...
  • Plasma assisted conversion of carbon dioxide in low-pressure gas discharges 
    Dudin, S.V.; Zykov, A.V.; Yakovin, S.D. (Вопросы атомной науки и техники, 2019)
    Experimental results of comparative study of carbon dioxide conversion efficiency to CO and O₂ in the plasmas of different low-pressure discharges are presented. Inductively coupled plasma source, magnetron discharge and ...
  • 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 ...
  • 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 ...
  • Optical characteristics and parameters of gas-discharge plasma on mixtures of mercury dichloride vapor and neon 
    Malinina, A.A.; Hrytsak, R.V. (Вопросы атомной науки и техники, 2019)
    The results of studies of the optical characteristics and parameters of DBD (dielectric barrier discharge) plasma on a mixture of mercury dichloride vapor, neon are presented. The following functions were established: EEDF, ...
  • 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 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 ...
  • 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 ...
  • Secondary electron emission induced by α-particles from Mg-MgO layers 
    Zhurenko, V.P.; Kononenko, S.I.; Mahotka, I.S.; Kalantaryan, O.V.; Mysiura, I.M.; Avotin, S.S.; Rokhmanov, N.Ya. (Вопросы атомной науки и техники, 2019)
    The paper presents the results of experimental study of forward and backward electron emission induced by α- particles from the deposited film of magnesium. It was shown that during the deposition of magnesium in residual ...
  • 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 ...
  • Plasma-chemical methods for control of biotic contaminants 
    Taran, G.V.; Breslavets, V.A.; Zamuriev, A.A.; Yaroshenko, M.O.; Opalev, P.O.; Maiboroda, O.V. (Вопросы атомной науки и техники, 2019)
    The possibility and effectiveness of control of biotic contaminants (bacteria, micromycetes) with ozone and air activated by the plasma chemical reactor were studied as an alternative to the chemical methods of treatment ...
  • Numerical simulation of initial pressure effect on energy input in spark discharge in nitrogen 
    Korytchenko, K.V.; Tomashevskyi, R.S.; Varshamova, I.S.; Dubinin, D.P.; Lisnyak, A.A.; Lipovyi, V.O. (Вопросы атомной науки и техники, 2019)
    An influence of initial gas pressure on energy deposited by spark discharge in nitrogen during the spark channel expansion is evaluated. Influence of the pressure on efficiency of energy deposition and emitted energy in a ...
  • The atomic-molecular processes 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)
    For 0-dimensional the task of a hydrogen plasma formation at initial stage of a charge is considered. For these conditions the dynamics of atomic and molecular ions density and energy balance in a hydrogen plasma are considered.
  • Scintillation characteristics of heavily doped CsI:Tl, IO₃ crystals 
    Shpilinskaya, A.L.; Кudin, A.M.; Trefilova, L.N.; Zosim, D.J. (Вопросы атомной науки и техники, 2019)
    The effect of IO⁻₃ ions on spectrometric characteristic of CsI:Tl crystal has been considered. It has been shown that co-doping of CsI:Tl crystal by IO⁻₃ anions permits to obtain clear ingots with increased thallium ...
  • Parametric X-ray radiation in polycrystals 
    Alekseev, V.I.; Eliseyev, A.N.; Irribarra, E.F.; Kishin, I.A.; Kubankin, A.S.; Nazhmudinov, R.M. (Вопросы атомной науки и техники, 2019)
    Parametric X-ray radiation produced during the interaction of charged particles with polycrystals is regarded. A review of the existing theories, perspectives of application and performed experiments is presented. The ...
  • Parametric X-ray Radiation in the backward geometry 
    Alekseev, V.I.; Eliseyev, A.N.; Irribarra, E.; Kishin, I.A.; Kubankin, A.S.; Nazhmudinov, R.M. (Вопросы атомной науки и техники, 2019)
    Parametric X-ray Radiation registered in the backward geometry is analysed. The main properties of the radiation for such geometry are discussed. The advantages of the backward geometry over other configurations regarding ...
  • 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 ...
  • Modification effects of microsecond high current electron beam exposure on titanium VT22 alloy 
    Donets, S.Ye.; Klepikov, V.F.; Lytvynenko, V.V.; Prokhorenko, E.M.; Startsev, O.A.; Lonin, Yu.F.; Ponomarev, A.G.; Uvarov, V.T.; Starovoytov, R.I. (Вопросы атомной науки и техники, 2019)
    Titanium VT22 alloy was irradiated in the TEMP-A accelerator with the high current electron beam with the energy of 350 keV, beam current of 2 kA, pulse length around 4 µs, and beam diameter of 45 mm. The irradiation was ...
  • 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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