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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:

  • Features of dense plasma formation in the reflex discharge on gas-metal mixes 
    Kovtun, Yu.V. (Вопросы атомной науки и техники, 2013)
    The paper briefly summarizes the data from studies of multicomponent gas-metal plasma in a pulsed reflex discharge. The processes of injection of sputtered-and-ionized working materials (Ti, Mo, W, U) into the reflex ...
  • Focusing of electron and positron bunches in plasma-dielectric wakefield accelerators 
    Kniaziev, R.R.; Manuilenko, O.V.; Markov, P.I.; Marshal, T.C.; Onishchenko, I.N.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2013)
    The results of analytical studies and numerical simulations of wakefield excitation in a plasma-dielectric structure are presented. In the linear theory approximation (overdense plasma) it is shown that at a certain plasma ...
  • Formation mechanism of the metallic nanostructures using pulsed axial electrothermal plasma accelerator 
    Kolyada, Yu.E.; Fedun, V.I.; Tyutyunnikov, V.I.; Savinkov, N.A.; Kapustin, A.E. (Вопросы атомной науки и техники, 2013)
    Paper is devoted of the formation mechanism of metal the nanoparticles in the development of high-current pulsed electric discharge in a limited volume at atmospheric pressure. The original design of the axial electrothermal ...
  • Formation of MeV energy ion beams with high current density for materials micro-irradiation 
    Romanenko, A.V.; Ponomarev, A.G.; Miroshnichenko, V.I. (Вопросы атомной науки и техники, 2013)
    A numerical analysis has been performed for the optimum configuration of a probe-forming system based on magnetic quadrupole lens multiplets in a nuclear scanning microprobe intended for irradiations of micron-size areas. ...
  • Gas magnetron deposition of structured TiO₂ nanofilms 
    Dobrovolskiy, A.M.; Goncharov, A.A.; Kostin, E.G.; Frolova, E.K. (Вопросы атомной науки и техники, 2013)
    The paper describes the peculiarities of deposition nano-sized titanium dioxide coatings in the cylindrical inverted gas magnetron. It is shown the influence of the main parameters magnetron sputtering, like as working gas ...
  • Gas temperature of diffuse negative corona discharge 
    Bolotov, O.V.; Golota, V.I.; Gurtovoi, S.D.; Sitnikova, Yu.V.; Moshinskii, D.V. (Вопросы атомной науки и техники, 2013)
    The emission spectra of the second positive system of nitrogen for the diffuse negative corona discharge in ambient air were studied. The rotational structure of spectral lines was analyzed and the spectra were identified. ...
  • Impact of energy spread of electron beam on absorbed dose distribution 
    Lazurik, V.T.; Lazurik, V.M.; Popov, G.F.; Rogov, Yu.V.; Sarukhanian, G.E.; Vereshchaka, V.V. (Вопросы атомной науки и техники, 2013)
    The results of numerical research on dependence of absorbed dose on energy spread of electron beam with twosided irradiation are presented in this paper. The dependence of change in value of absorbed dose in the critical ...
  • Influence of secondary electron emission on the RF gas breakdown 
    Dakhov, A.N.; Dudin, S.V. (Вопросы атомной науки и техники, 2013)
    The influence of the electron impact secondary electron emission on the RF gas breakdown has been researched experimentally and theoretically with use of particle-in-sell simulation. The experiments and simulations are ...
  • Investigation of electric ARC plasma between composite Cu–C electrodes 
    Veklich, A.N.; Boretskij, V.F.; Ivanisik, A.I.; Lebid, A.V.; Fesenko, S.A. (Вопросы атомной науки и техники, 2013)
    Plasma of electric arc discharge in air between composite Cu–C electrodes at arc current 3.5 A in the assumption of local thermodynamic equilibrium was investigated. Special electric device for arc ignition was suggested. ...
  • Ion cyclotron instabilities in multicomponent magnetic field-aligned plasma flow with shear velocity flow 
    Chibisov, D.V. (Вопросы атомной науки и техники, 2013)
    The ion cyclotron instabilities of magnetic-field-aligned multi-species plasma flow with the flow velocity shear are investigated. It is assumed that plasma consist of two ion species, H⁺ and O⁺, the most often occurring ...
  • 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 ...

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