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Перегляд Вопросы атомной науки и техники, 2018, № 4 за назвою

Репозиторій DSpace/Manakin

Перегляд Вопросы атомной науки и техники, 2018, № 4 за назвою

Сортувати за: Порядок: Результатів:

  • 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 ...
  • Simulation of regimes in the pulse-forming lines by operator method 
    Chumakov, V.I.; Lonin, Yu.F.; Kharchenko, O.I. (Вопросы атомной науки и техники, 2018)
    In this paper the application of the Laplace transform to the analysis of circuits with distributed parameters is considered. As an example pulse-forming lines based on distributed parameters lines are analyzed. Such devices ...
  • Structural phase transitions in thin convection at dependence of viscosity on temperature 
    Gushchin, I.V.; Kuklin, V.M. (Вопросы атомной науки и техники, 2018)
    Conditions for a second-order phase transition in a thin liquid layer with poorly conductive boundaries under conditions of dependence of viscosity on temperature are considered. It is shown that, when the dependence is ...
  • Superradiance of stationary oscillators 
    Kuklin, V.M.; Litvinov, D.N.; Sporov, A.E. (Вопросы атомной науки и техники, 2018)
    The mathematical model of superradiance of the system of nonlinear oscillators that are restricted in space is considered. Each oscillator generates its own field. The interaction of the oscillators occurs between each ...
  • The superradiance of a bunch of rotating electrons 
    Kuklin, V.M.; Litvinov, D.N.; Sporov, A.E. (Вопросы атомной науки и техники, 2018)
    Equations describing the excitation of a TE wave by a beam of electrons rotating in an external magnetic field in a waveguide in two regimes were considered. In the first regime the interaction of the oscillators − rotating ...
  • The use of ozone technologies in grain storage 
    Golota, V.I.; Taran, G.V.; Zamuriev, А.А.; Opalev, P.O.; Pugach, S.G.; Mankovskyi, S.N.; Petrenkova, V.P.; Nyska, I.N. (Вопросы атомной науки и техники, 2018)
    The results of experimental studies of toxicogenic fungi activity inhibition at various ozone concentration and doses by ozone-air mixture, which were carried out at the developed and manufactured experimental stand are ...
  • Using of proton beam writing techniques for fabrication of micro difraction gratings 
    Ponomarev, A.G.; Kolinko, S.V.; Rebrov, V.A.; Kolomiets, V.N.; Kravchenko, S.N. (Вопросы атомной науки и техники, 2018)
    To obtain micrometric gratings with a high aspect ratio by lithographic technique, it is proposed to use a proton beam focused in a line and electromagnetic scanning in the transverse direction to irradiate the resistive ...
  • Validation of the numerical model of a spark channel expansion in a low-energy atmospheric pressure discharge 
    Korytchenko, K.V.; Markov, V.S.; Polyakov, I.V.; Slepuzhnikov, E.D.; Meleshchenko, R.G. (Вопросы атомной науки и техники, 2018)
    Gas-dynamic expansion of a low-energy atmospheric pressure spark discharge was numerically simulated. The calculated data were compared with experimental results to validate the numerical model. A satisfactory correlation of ...
  • 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 ...
  • Works in the NSC KIPT on the creation and application of the CPA laser system 
    Vasiliev, A.V.; Dovbnya, A.N.; Yegorov, A.M.; Zaitsev, V.P.; Leshchenko, V.P.; Onischenko, I.N.; Povrozin, A.I.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2018)
    A CPA laser system with an output power of 10¹⁰ W is presented, which at the final stage will be brought to a power close to 10 TW. The areas of its application are described, the results of the supercontinuum investigation ...
  • α-particle induced forward-backward electron emission from titanium nitride 
    Zhurenko, V.P.; Kononenko, S.I.; Kalantaryan, O.V.; Mysiura, I.N.; Avotin, S.S.; Rokhmanov, N.Ja. (Вопросы атомной науки и техники, 2018)
    The electronic yields of forward and backward secondary ion-induced electron emission from titanium nitride bombarded by α-particles from a radioisotope source were experimentally measured. It was shown that the ratio ...
  • Аn electric field sensor based on a short monopole antenna 
    Karelin, S.Y.; Magda, I.I.; Mukhin, V.S. (Вопросы атомной науки и техники, 2018)
    Discussed in the paper is application of an E-field probe in the form of a short monopole antenna (a D-dot-like configuration) for receiving short pulsed signals. Several numerical experiments have permitted suggesting ...
  • Аspects of electromagnetic compatibility at remote sensing of ionosphere in radiophysical observatory of Кharkiv National University 
    Magda, I.I.; Chernogor, L.F. (Вопросы атомной науки и техники, 2018)
    Specific responses of radio receivers of various type and frequency range under conditions to receiving of both a sole intense ultrashort signals and combination of information and interference ultrashort signals are ...
  • 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 ...
  • Еxcitation of a flat comb using an electron beam with a virtual cathode 
    Gorban’, A.M.; Lonin, Yu.F.; Ponomaryov, A.G. (Вопросы атомной науки и техники, 2018)
    The numerical simulation method was applied to investigate the excitation of a plate shielded comb slow-wave system by the relativistic electron beam with a limit current exceeding space-charge limiting current. Such a ...
  • Іgnition of the beam-plasma discharge in the initially neitral gas 
    Dadyka, D.I.; Anisimov, I.O. (Вопросы атомной науки и техники, 2018)
    Initial stage of the beam-plasma discharge was studied via computer simulation for 2D electrostatic model. Stripped non-relativistic electron beam was injected into initially non-ionized helium. At the first stage ...
  • 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 ...
  • Іnvestigation of plasma of arc discharge between melting Cu- and Ni-electrodes 
    Kleshich, M.M.; Veklich, A.N.; Fesenko, S.O.; Boretskij, V.F.; Kryachko, L.A. (Вопросы атомной науки и техники, 2018)
    Plasma of electric arc between asymmetric one-component Cu and Ni electrodes was investigated by optical emission spectroscopy. Radial distributions of temperature and electron density were determined in the average cross ...
  • К 90-летию со дня рождения Харченко Игоря Федоровича 
    Автор відсутній (Вопросы атомной науки и техники, 2018)
  • Мagnetized particle diffusion in a random electric field with jumping phase 
    Zasenko, V.I.; Cherniak, O.М. (Вопросы атомной науки и техники, 2018)
    Diffusion of charged particles across a constant magnetic field caused by random varying electric field is considered. The electric field is assumed to be a superposition of waves with a fixed frequency, various wave vectors ...

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