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Перегляд Вопросы атомной науки и техники, 2013, № 4 за назвою

Репозиторій DSpace/Manakin

Перегляд Вопросы атомной науки и техники, 2013, № 4 за назвою

Сортувати за: Порядок: Результатів:

  • Kinetic processes in negative glow plasma of low pressure discharge in oxygen 
    Tsiolko, V.V.; Matsevich, S.V.; Bazhenov, V.Yu.; Piun, V.M; Ryabtsev, A.V. (Вопросы атомной науки и техники, 2013)
    It is shown that electron energy distribution function of negative glow plasma of low pressure discharge in oxygen exhibits two-temperature behavior due to the influence of metastable molecules O²(a¹Δg), O²(b¹Σ+g) and ...
  • Kinetics of nonequilibrium electron-phonon system for semiconductors and metals in a strong electric field 
    Karas, V.I.; Potapenko, I.F.; Vlasenko, A.M. (Вопросы атомной науки и техники, 2013)
    Formation of non-stationary nonequilibrium distribution functions (DF) of electrons and phonons is investigated under the action of a strong pulse electric field on metal. For concreteness parameters were taken for nickel ...
  • Mathematical optimization model for alternating-phase focusing (APF) linac 
    Ovsyannikov, D.A.; Altsybeyev, V.V. (Вопросы атомной науки и техники, 2013)
    Mathematical model of beam dynamic optimization in an equivalent traveling wave is suggested. The problem of the APF linac parameters optimization is being discussed. Beam dynamics in the 14 MeV deuteron accelerator are ...
  • Mechanisms of synchronization of relativistic electron bunches at wakefield excitation in plasma 
    Lotov, K.V.; Maslov, V.I.; Onishchenko, I.N.; Yarovaya, I.P. (Вопросы атомной науки и техники, 2013)
    Using code Lcode the mechanisms of defocusing of electron bunches at wakefield excitation in plasma have been demonstrated.
  • Novel plasma relativistic broadband source of high-power microwaves 
    Ernyleva, S.E.; Litvin, V.O.; Loza, O.T.; Bogdankevich, I.L. (Вопросы атомной науки и техники, 2013)
    Numerical model of plasma-assisted microwave noise amplifier with 10% of energy efficiency on 150-MW power level is described. Pulse duration of 2 ns prevents the feedback in a 50-cm long device and provides generation of ...
  • Numerical simulation of gas-dynamic stage of spark discharge in oxygen 
    Korytchenko, K.V.; Poklonskiy, E.V.; Vinnikov, D.V.; Kudin, D.V. (Вопросы атомной науки и техники, 2013)
    A numerical model of gas-dynamic stage of spark discharge in oxygen that takes into consideration transient processes in an electric circuit and a change in the composition of gas-discharge atmosphere has been presented. ...
  • Numerical simulation of negative streamers in strong non-uniform electric fields in nitrogen. Effect of needle radius and applied voltage on streamer velocity 
    Manuilenko, O.V.; Golota, V.I. (Плазменно-пучковый разряд, газовый разряд и плазмохимия, 2013)
    The results of numerical simulations of the propagation of a negative streamer in nitrogen in the uniform and strongly non-uniform electric fields are presented. It is shown that the propagation velocity of the streamer ...
  • Observation of parametric X-ray radiation excited by 50 GeV protons and identification of background radiation origin 
    Afonin, A.G.; Britvich, G.I.; Chesnokov, Yu.A.; Chirkov, P.N.; Durum, A.A.; Kostin, M.Yu.; Lutchev, A.V; Maisheev, V.A.; Yanovich, A.A.; Shchagin, A.V.; Truten’, V.I.; Ganenko, V.B.; Kirillin, I.V.; Shul’ga, N.F.; Kubankin, A.S.; Nasonov, N.N.; Potylitsyn, A.P.; Gogolev, A.S.; Uglov, S.R.; Cherepennikov, Yu.M.; Karataev, P. (Вопросы атомной науки и техники, 2013)
    The experimental layout designed to study properties of focused parametric X-ray radiation generated by relativistic protons in a bent crystal and parametric X-ray radiation generated by relativistic ions and positrons at ...
  • On the dense plasma decay within the electron concentration range of 10¹⁷ cm⁻³≤Ne≤10²² cm⁻³ 
    Fedorovich, О.А.; Voitenko, L.M. (Вопросы атомной науки и техники, 2013)
    The paper presents the results of comparison between the experimental decay coefficients of the dense plasma produced by pulsed discharges in water with theoretical coefficients calculated using all the known formulas for ...
  • On the emission spectrum of oscillator trapped in a potential well 
    Kirichok, A.V.; Kuklin, V.M.; Zagorodny, A.G. (Вопросы атомной науки и техники, 2013)
    We study the spectrum of electromagnetic waves emitted by oscillator, trapped in an external potential well. It is assumed that the natural frequency of the oscillator is much greater than the frequency of oscillations in ...
  • On the formation of pulses of coherent radiation in weakly inverted media 
    Kirichok, A.V.; Kuklin, V.M.; Mischin, A.V.; Pryjmak, A.V.; Zagorodny, A.G. (Вопросы атомной науки и техники, 2013)
    A change in the character of maser generation in a two-level system is found when the initial population inversion exceeds some threshold value equal to the square root of the total number of atoms. Above this threshold, ...
  • On the Kramers-Kronig relation with account of spatial dispersion 
    Makarov, V.P.; Rukhadze, A.A. (Вопросы атомной науки и техники, 2013)
    Following the ideas of D.A. Kirzhnitz [1], the ‾E, ‾B, ‾D − representation of the electrodynamic Kramers-Kronig relation is used to study the longitudinal and transverse permittivity properties of response functions of the ...
  • Optical radiation special features from plasma of low pressure discharge initiated by microwave radiation with stochastic jumping phase 
    Karas, V.I.; Alisov, А.F.; Bolotov, О.V.; Golota, V.I.; Karas, I.V.; Yegorov, А.М.; Zagorodny, A.G.; Zagrebelny, I.А.; Potapenko, I.F. (Вопросы атомной науки и техники, 2013)
    We study the plasma discharge, initiated by microwave radiation with stochastically jumping phase (MWRSJP) in a coaxial waveguide at the optimal mode of the beam-plasma generator. Present results continue the line of the ...
  • Ozone treatment of hydrazine-containing water solution 
    Golota, V.I.; Taran, G.V.; Zamuriev, A.A.; Yegorov, M.A.; Mikhalskaia, L.L.; Prokhach, E.E. (Вопросы атомной науки и техники, 2013)
    The results of experimental investigation on decomposition of 0.1 and 0.2% hydrazine-containing standard test water solution by bubbling ozone-oxygen mixture through the water solution are presented. It was shown, that the ...
  • Paradigms of dynamic chaos 
    Buts, V.A. (Вопросы атомной науки и техники, 2013)
    It is shown that a condition of occurrence of regimes with chaotic behavior of dynamic systems demands more steadfast studying. In particular, it is shown that if we will take into account singular solutions the chaotic ...
  • Particle beams from laser-irradiated solids at ultrahigh intensities 
    Nerush, E.N.; Kostyukov, I.Yu. (Вопросы атомной науки и техники, 2013)
    Laser-solid interactions at the intensity range 10²³…10²⁶ W cm⁻² and the plasma density about 10²⁴ cm⁻³ are studied by means of numerical simulations. This range of parameters is extremely important for various laser ...
  • Pattern formation in unstable viscous convective medium 
    Gushchin, I.V.; Kirichok, А.V.; Kuklin, V.M. (Вопросы атомной науки и техники, 2013)
    The convection in a thin layer of liquid (gas) with poorly heat conducting boundaries and with temperature dependent viscosity are considered. The Proctor-Sivashinsky model is examined in order to study both the pattern ...
  • Peculiarities of glow modes of argon atmospheric pressure radio-frequency capacitive discharge with isolated electrodes 
    Bazhenov, V.Yu.; Tsiolko, V.V.; Piun, V.M.; Chaplinskiy, R.Yu.; Kuzmichev, A.I. (Вопросы атомной науки и техники, 2013)
    Glow characteristics of capacitive radio frequency discharge with isolated electrodes in low-current α and highcurrent γ modes are determined experimentally. It is shown that transition from α mode to γ mode occurs through ...
  • Pig with metal-hydride cathode under ion-stimulated desorbtion of hydrogen 
    Agarkov, A.V.; Ryabchikov, D.L.; Sereda, I.N.; Tseluyko, A.F. (Вопросы атомной науки и техники, 2013)
    The results of experimental investigation of penning type charged particles source with metal-hydride watercooled cathode are presented. The feature of investigation is hydrogen ion-stimulated desorbtion from metal-hydride ...
  • Plasma lens for manipulating large area high-current electron beams 
    Goncharov, A.; Dobrovolskiy, A.; Litovko, I.; Gushenets, V.; Oks, E.; Bugaev, A. (Вопросы атомной науки и техники, 2013)
    We describe the current status of ongoing research and development of the wide aperture electrostatic plasma lens with positive space charge cloud for focusing and manipulating large area high current electron beams. It ...

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