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Перегляд Вопросы атомной науки и техники, 2015, № 4 за назвою

Репозиторій DSpace/Manakin

Перегляд Вопросы атомной науки и техники, 2015, № 4 за назвою

Сортувати за: Порядок: Результатів:

  • Mathematical model antennas, based on modulated plazmon-polariton structures 
    Hoblyk, V.V. (Вопросы атомной науки и техники, 2015)
    Presents a review of development of the theory of plasmon-polariton structures and nanoantennas based on them. It shows the method for solving the problem of excitation of impedance structures, modulated by multiple periodic ...
  • Modelling of superradiation processes driven by an ultra-short bunch of charged particles moving through a plasma 
    Kirichok, A.V.; Kuklin, V.M.; Mischin, A.V.; Pryimak, A.V. (Вопросы атомной науки и техники, 2015)
    The specific features of the superradiation processes excited by an ultra-short 1D monoenergetic bunch of charged particles, which moves through a plasma, are examined. When the size of the bunch is less then the wavelength ...
  • Multikiloampere magnetron gun with secondary emission at relativistic voltage 
    Cherenshchykov, S.A. (Вопросы атомной науки и техники, 2015)
    Magnetron gun for voltage up 1000 kV and current more 1 kA was tested in pulse mode. The secondary emission nature of the cathode current was established. The identification was held basing on considered features of the ...
  • Numerical investigation of the formation of chemically active components in the spark discharge in water vapors 
    Vinnikov, D.V.; Korytchenko, K.V.; Sakun, A.V. (Вопросы атомной науки и техники, 2015)
    The numerical investigation of the formation of chemically active components and a change in the thermodynamic parameters of the spark discharge at the values of the initial pressure of water vapors 10⁵ and 0.4·10⁵ Pa was ...
  • Numerical simulation of pulsed plasma thruster with a preionization helicon discharge 
    Kuzenov, V.V.; Polozova, T.N.; Ryzhkov, S.V. (Вопросы атомной науки и техники, 2015)
    The major electrical characteristics of pulsed coaxial magneto-plasma accelerator with a capacitive power source are calculated on the basis of approximate mathematical model of pulsed plasma thruster, preionization system ...
  • Numerical thermodynamic analysis of alloys for plasma electronics and advanced technologies 
    Kuzenov, V.V.; Ryzhkov, S.V.; Shumaev, V.V. (Вопросы атомной науки и техники, 2015)
    Thermodynamic properties (pressure, specific internal energy and entropy) of the ionized gas mixture are obtained on the basis of the Thomas-Fermi theory and Saha model. The calculations was made for the lithium-indium ...
  • On the influence of copper impurities on the transport properties of thermal water plasma 
    Porytskyy, P.V. (Вопросы атомной науки и техники, 2015)
    The influence of copper impurities on the transport properties of multicomponent thermal plasma is considered in the ambient atmosphere of water vapors. The calculations are carried out on the base of Grad’s method, and ...
  • On the nature of sources of pulsating radiation in weakly inverted media 
    Kirichok, A.V.; Kuklin, V.M.; Zagorodny, A.G. (Вопросы атомной науки и техники, 2015)
    The conditions for the occurrence of a periodic sequence of pulses of coherent radiation in a weakly inverted two-level medium are investigated. It is studied the dependence of the pulse period and amplitude on the inversion ...
  • Optimization of single-hump imaginary potentials for efficient absorption of the wave function in numerical solution of the time-dependent Schrödinger equation 
    Silaev, A.A.; Vvedenskii, N.V. (Вопросы атомной науки и техники, 2015)
    This work is devoted to the development of the imaginary potential method for efficient absorption of the wave function on the periphery of the computational domain in numerical solution of the time-dependent Schrödinger ...
  • Particle beam dynamics in a magnetically insulated coaxial diode 
    Korenev, V.G.; Magda, I.I.; Sinitsin, V.G. (Вопросы атомной науки и техники, 2015)
    The dynamics of charged particle beams emitted from a cathode into a smooth coaxial diode with magnetic insulation is studied with the aid of 3-D PIC simulation. The processes controlling space charge formation and its ...
  • Plasma accelerator with closed electron drift and open walls 
    Goncharov, A.; Dobrovolsky, A.; Najko, L.; Najko, I.; Litovko, I. (Вопросы атомной науки и техники, 2015)
    We present the original approach to use plasma accelerators with closed electron drift and open walls for creating effective lens with positive space charge. In paper describes one-dimensional model and simplest analytical ...
  • Plasma parameters in pig with metal-hydride cathode under different ways of hydrogen supply 
    Sereda, I.N.; Tseluyko, A.F.; Ryabchikov, D.L.; Babenko, I.V.; Hrechko, Ya.O.; Hetman, V.A. (Вопросы атомной науки и техники, 2015)
    In the paper plasma density dynamic on the axis of Penning discharge with metal-hydride cathode in axial electron flow emission regime have been experimentally investigated. The ion-stimulated desorption influence on ...
  • Plasma production by a sequence of relativistic electron bunches in the transit channel of the dielectric structure 
    Linnik, A.F.; Onishchenko, I.N.; Pristupa, V.I.; Berezina, G.P.; Omelayenko, O.L.; Us, V.S. (Вопросы атомной науки и техники, 2015)
    In the concept of plasma-dielectric wakefield accelerator plasma presence in the transit channel of the dielectric structure plays at significant role in increasing the accelerating field and providing bunches focusing. ...
  • Power absorption inside helicon plasma of helium RF ion source in nonaxial magnetic field 
    Alexenko, O.V.; Miroshnichenko, V.I.; Voznyi, V.I. (Вопросы атомной науки и техники, 2015)
    The paper studies integral and one-dimensional distribution of RF electromagnetic field absorption in a helicon plasma with external magnetic field directed at an angle to a plasma plane. A simplified model of a helicon ...
  • Power absorption inside helicon plasma of helium RF ion source in nonaxial magnetic field 
    Alexenko, O.V.; Miroshnichenko, V.I.; Voznyi, V.I. (Вопросы атомной науки и техники, 2015)
    The paper studies integral and one-dimensional distribution of RF electromagnetic field absorption in a helicon plasma with external magnetic field directed at an angle to a plasma plane. A simplified model of a helicon ...
  • Probe formation in proton beam writing facility at IAP NASU 
    Lapin, O.S.; Ponomarev, A.G. (Вопросы атомной науки и техники, 2015)
    The principles of a proton beam writing facility were described. Particular attention was paid to the problem of probe-forming system design. It was shown that using of separate systems and parts of the scanning nuclear ...
  • Pulsed injector of the working substance for magnetoplasma compressor 
    Staltsov, V.V. (Вопросы атомной науки и техники, 2015)
    Technical description of the high-speed pulsed injector of working substance with a radial gas supply for magnetoplasma compressor is given. The results of studies on the main gas-dynamic and electrotechnical characteristics ...
  • Pulse electrothermal plasma accelerators and its application in scientific researches 
    Kolyada, Yu.E.; Fedun, V.I. (Вопросы атомной науки и техники, 2015)
    This paper presents the pulse electrothermal plasma accelerator erosion type. Formation of dense plasma bunches occurs under atmospheric pressure through the development of high-current arc discharge in a cylindrical channel ...
  • Pulse electrothermal plasma accelerators and its application in the technologies 
    Kolyada, Yu.E.; Bizyukov, A.A.; Bulanchuk, O.N.; Fedun, V.I. (Вопросы атомной науки и техники, 2015)
    The possibility of the pulsed electrothermal plasma accelerator application was shown for some technological problems. In particularly it was demonstrated the possibility to produce colloidal solutions contained metallic ...
  • Quasi-stationary streamer propagation 
    Bolotov, O.; Kadolin, B.; Mankovskyi, S.; Ostroushko, V.; Pashchenko, I.; Taran, G.; Zavada, L. (Вопросы атомной науки и техники, 2015)
    The numerical simulations are carried out for the quasi-stationary stage of the axially symmetric streamer propagation and for the linear stage of its azimuthal perturbation development. The dependences of the streamer ...

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