Наукова електронна бібліотека
періодичних видань НАН України

Перегляд Problems of Atomic Science and Technology, 2019, № 1 за датою випуску

Репозиторій DSpace/Manakin

Перегляд Problems of Atomic Science and Technology, 2019, № 1 за датою випуску

Сортувати за: Порядок: Результатів:

  • Anti-corrosion ceramic coatings on the surface of Nd-Fe-B repelling magnets 
    Taran, A.V.; Garkusha, I.E.; Taran, V.S.; Timoshenko, O.I.; Misiruk, I.O.; Skoblo, T.S.; Romaniuk, S.P.; Starikov, V.V.; Baturin, A.A.; Nikolaychuk, G.P.; Pyvovar, N.V.; Gnidenko, Yu.P. (Вопросы атомной науки и техники, 2019)
    The results of vacuum-arc deposition of thin ZrO₂ coatings to protect the surface of Nd-Fe-B permanent magnets used as repelling devices in orthodontics are presented. The structure, phase composition and mechanical ...
  • Dynamics of macroparticle in a weakly collisional plasma 
    Romashchenko, E.V.; Bizyukov, A.A.; Girka, I.О. (Вопросы атомной науки и техники, 2019)
    The transport of a macroparticle (MP) in an expanding cathodic vacuum arc plasma, which interacts with a background gas, is investigated. The influence of ion-neutral collisions on MP is studied in the framework of ...
  • Kinetics of processes in air plasma discharges at atmospheric pressure in the transverse flow of gas 
    Chernyak, V.Ya.; Tsymbaliuk, O.M.; Levko, D.S.; Martysh, E.V.; Iukhymenko, V.V.; Kolomiets, O.V.; Khomijak, V.O.; Chernysh, D.O.; Fentisova, O.I. (Вопросы атомной науки и техники, 2019)
    The paper is devoted to the consideration of some features of the kinetics of the formation of nitrogen oxides and the population of the vibrational levels of the basic electronic states of nitrogen and oxygen molecules ...
  • Development of plasma and ion beam technology for material engineering at NCBJ 
    Nowakowska-Langier, K. (Вопросы атомной науки и техники, 2019)
    The Plasma/Ion Beam Technology Division is one of several laboratories forming the Material Physics Department at the NCBJ in Świerk, Poland. Scientific activity of the Division concerns different aspects of research related ...
  • Optimal resonant asymptotics of wakefield excitation in plasma by non-resonant sequence of electron bunches 
    Maslov, V.I.; Bilokon, E.O.; Bilokon, V.O.; Levchuk, I.P.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2019)
    Resonant asymptotics of wakefield excitation in plasma by non-resonant sequence of relativistic electron bunch-es has been numerically simulated. It has been shown that in resonant asymptotics at optimal parameters the ...
  • Dispersion properties of the dielectric wavеguide for acceleration electrons by the wakefield of laser pulse 
    Balakirev, V.A.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2019)
    Dispersion properties of several dielectric waveguides are considered to provide for wakefield acceleration not only superluminal group velocity of exciting laser pulse but also high relativistic Lorentz factor of laser ...
  • Spectroscopic studies of tungsten samples exposed to intense deuterium and argon plasma streams 
    Marchenko, A.; Makhlai, V.; Skladnik-Sadowska, E.; Nowakowska-Langier, K.; Zaloga, D.; Sadowski, M.J. (Вопросы атомной науки и техники, 2019)
    The use of tungsten (W) as the main plasma facing component (PFC) was proposed for fusion reactors many years ago. Our recent experiments have been focused on spectroscopic studies of tungsten properties under its irradiation ...
  • Cherenkov radiation of the electron bunch in dielectric media with frequency dispersion 
    Balakirev, V.A.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2019)
    Excitation of the Cherenkov electromagnetic radiation by a relativistic electron bunch in a dielectric waveguide is considered taking into account the frequency dispersion of the dielectric permittivity. Electric polarization ...
  • Pulsed electromagnetic gas valves for high-current plasma accelerators 
    Staltsov, V.V.; Chebotarev, V.V.; Herashchenko, S.S.; Kulik, N.V. (Вопросы атомной науки и техники, 2019)
    The paper describes the design features of a gas valve for the axial (parallel to the axis of the accelerator) working gas supply into the accelerator channel. The results of gas-dynamic studies of the injectors are ...
  • Structural-phase changes in thin films and surface layers of Ti41.5Zr41.5Ni17 alloy, stimulated by radiation-thermal impact of hydrogen plasma 
    Malykhin, S.V.; Makhlai, V.A.; Surovitskiy, S.V.; Borisova, S.S.; Herashchenko, S.S.; Kondratenko, V.V.; Kopylets, I.A.; Baturin, A.A.; Terentyev, D. (Вопросы атомной науки и техники, 2019)
    X-ray diffraction and SEM microscopy were used to study structural and phase changes in the surface layers of a Ti41.5Zr41.5Ni17 alloy bulk sample (target) and a thin film (deposited by magnetron sputtering of the target) ...
  • Influence of movable B₄C-limiter on characteristics of RF discharge plasma in the Uragan-2M torsatron 
    Glazunov, G.P.; Lozin, A.V.; Konotopskiy, A.L.; Baron, D.I.; Beletskii, A.A.; Bondarenko, M.N.; Chechkin, V.V.; Dreval, M.B.; Grigor’eva, L.I.; Kozulya, M.M.; Maznichenko, S.M.; Moiseenko, V.E.; Mironov, Yu.K.; Pavlichenko, R.O.; Romanov, V.S.; Shapoval, A.N. (Вопросы атомной науки и техники, 2019)
    A variant of the B₄C movable biased pumped limiter for the Uragan-2M torsatron is described. Some results of experiments with the limiter moved from the vacuum chamber wall to the central region of the plasma column in the ...
  • Characterization of macroscopic erosion of castellated and flat tungsten surfaces under ITER-like transient plasma loads 
    Myroshnyk, M.O.; Herashchenko, S.S.; Makhlai, V.A.; Garkusha, I.E.; Aksenov, N.N.; Byrka, O.V.; Chebotarev, V.V.; Kulik, N.V.; Lebedev, S.I.; Shevchuk, P.B.; Staltsov, V.V. (Вопросы атомной науки и техники, 2019)
    The damages of tungsten targets with different geometries under repetitive transient hydrogen plasma loads have been studied with a quasi-stationary plasma accelerator QSPA Kh-50. The results of the experiments on target ...
  • Slow wave propagation in plasma with non-uniformity not perpendicular to the magnetic field 
    Moiseenko, V.E. (Вопросы атомной науки и техники, 2019)
    Slow wave propagation in 1D non-uniform plasma with tilted magnetic field with respect of direction of non-uniformity is considered. The second order differential equation describing the slow wave is derived from the ...
  • Group analysis of motion equation of charged particle placed in crossed fields 
    Yeliseyev, Yu.N. (Вопросы атомной науки и техники, 2019)
    The transformation of motion equation of a charged particle placed in crossed longitudinal magnetic field and radial electric one is considered under transition from the laboratory frame of reference to a uniformly rotating ...
  • Particle subensembles in random field with finite correlation time 
    Cherniak, O.M.; Zasenko, V.I. (Вопросы атомной науки и техники, 2019)
    Particle transport in a random electric field across constant magnetic field is studied by numerical simulation and analytical approach. We consider the effects of finite Larmor radius and finite correlation time on evolution ...
  • Veloсity dispersion of dust particles confined in a sheath 
    Zasenko, V.I. (Вопросы атомной науки и техники, 2019)
    Velocity distribution of dust particles localized in a plasma sheath near an electrode was found in a number of experiments. Velocity dispersion indicated that the kinetic temperature of dust grains significantly exceeds ...
  • Fully relativistic approach to the theory of slow and plasma ECRF waves 
    Pavlov, S.S.; Castejon, F. (Вопросы атомной науки и техники, 2019)
    The new exact integral form for the fully relativistic plasma dielectric tensor in the ECRF range is presented. This form is suitable for numerical applications for arbitrary wave numbers.
  • Tritium breeding calculation in a stellarator blanket 
    Chernitskiy, S.V.; Moiseenko, V.E. (Вопросы атомной науки и техники, 2019)
    In current blanket projects, tritium breeding ratio (TBR), the ratio of tritium production rate to the neutron production rate, is low (1.1…1.2). The MCNPX Monte-Carlo code has been used to model the neutron kinetics and ...
  • On relativistic effects on electron transport in the banana regime in tokamaks 
    Marushchenko, I.; Azarenkov, N.A. (Вопросы атомной науки и техники, 2019)
    In the present work, the neoclassical transport theory in tokamaks is re-considered with the relativistic effects for electrons taken into account. Since such effects are important only in high-temperature plasmas, only ...
  • Effects of water impact on optical properties of metallic mirror samples 
    Konovalov, V.G.; Solodovchenko, S.I.; Voitsenya, V.S.; Ryzhkov, I.V.; Shtan’, A.F.; Makhov, M.N. (Вопросы атомной науки и техники, 2019)
    The effects of exposure in water or water steam on optical properties of mirror samples fabricated of different metals were studied. Materials of samples were: tungsten, beryllium, molybdenum, stainless steel, nickel, ...

Пошук


Розширений пошук

Перегляд

Мій обліковий запис