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Перегляд Bопросы атомной науки и техники, 2018 за назвою

Репозиторій DSpace/Manakin

Перегляд Bопросы атомной науки и техники, 2018 за назвою

Сортувати за: Порядок: Результатів:

  • The influence of X-ray irradiation on elastic, dynamical and structural characteristics of strained LiF crystals 
    Petchenko, О.M.; Petchenko, G.О.; Boiko, S.M. (Вопросы атомной науки и техники, 2018)
    The influence of a preliminary deformation ε = 0.4% and X-ray irradiation to exposure doses of 400 and 800 R on the frequency dependence of the sound velocity v(f) in LiF crystals in the frequency interval 37.5…172.5 ...
  • The microrelief studies of stainless steel mirrors sputtered with Ar⁺ ions of different energy 
    Bondarenko, V.N.; Konovalov, V.G.; Solodovchenko, S.I.; Shtan′, A.F.; Ryzhkov, I.V.; Voitsenya, V.S.; Lytvyn, P.M.; Byrka, O.V.; Skorik, O.A. (Вопросы атомной науки и техники, 2018)
    Four stainless steel mirror specimens were sputtered to an identical mean thickness of the eroded layer 2 μm with Ar⁺ ions. Each specimen was exposed to ions with one kinetic energy from the followings: 300, 600, 1000, ...
  • The model of microwave phase inverter controlled by a neon plasma source 
    Zaleskyi, D.Yu.; Krivonosov, G.A.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2018)
    In the wakefield accelerator for a separation of a long train of bunches to drive and accelerated ones, it is proposed to use a phase inverter of electromagnetic waves of the microwave frequency range. A change in the phase ...
  • The study of the radial location of quasi-coherent modes by heavy ion beam probe in the TJ-II stellarator 
    Khabanov, Ph.O.; Eliseev, L.G.; Khartchev, N.K.; Hidalgo, C.; Kozachek, A.S.; Krupnik, L.I.; Lysenko, S.E.; Melnikov, A.V.; Chmyga, A.A.; Deshko, G.N.; Khrebtov, S.M.; Komarov, A.D.; Molinero, A.; J.L. de Pablos; TJ-II team (Вопросы атомной науки и техники, 2018)
    Recent experiments in low magnetic shear flexible heliac TJ-II have shown that steady frequency and chirping Alfvén Eigenmodes take place with 100 kHz< fAE <300 kHz at both pure NBI and combined ECR and NBI heated ...
  • 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 ...
  • The use of plasma-based deposition with ion implantation technology to produce superhard molybdenum-based coatings in a mixed (C₂H₂+N₂) atmosphere 
    Sobol’, O.V.; Andreev, A.A.; Mygushchenko, R.P.; Beresnev, V.M.; Meylekhov, A.A.; Postelnyk, A.A.; Kravchenko, S.A.; Tabaza, Taha A.; Safwan M. Al-Qawabah; Ubeidulla F. Al-Qawabeha; Stolbovoy, V.A.; Serdyuk, I.V.; Kolesnikov, D.A.; Kovaleva, M.G. (Вопросы атомной науки и техники, 2018)
    The influence of the pressure of a mixed gaseous atmosphere (80%C₂H₂+20%N₂) and the supply of a high-voltage negative potential in a pulsed form on the elemental and phase composition, structure and physico-mechanical ...
  • The verification of constant preparation methodology for IMCORE code 
    Galchenko, V.V.; Shlapak, I.I.; Gulik, V.I.; Budik, D.V. (Вопросы атомной науки и техники, 2018)
    For fuel loading maintenance at Ukrainian nuclear power units, as well as to ensure the reactor unit economical and safe operation, it is necessary to have accurate and timely information on the energy release fields, ...
  • Torsatron U-2M magnetic surfaces with enhanced mirror ratio 
    Kotenko, V.G.; Moiseenko, V.E.; Sorokovoy, E.L. (Вопросы атомной науки и техники, 2018)
    Existence of closed magnetic surfaces with enhanced mirror ratio value and mirror region longitudinal size in a model of the combined magnetic system is shown by numerical calculations. The calculation model contains the ...
  • Transport and matching of the injecting beam 
    Belikov, А.G.; Bondarenko, L.А.; Vdovin, S.А.; Gussev, Ye.V.; Manuilenko, O.V.; Shulika, N.G. (Вопросы атомной науки и техники, 2018)
    The properties of multi-element axially symmetric electrostatic lenses as a possible matching device of linear accelerator injector are considered. The electrostatic lenses are more effective at small (up to 150 keV) ...
  • Upgrade of network infrastructure of the KIPT computing facility for CMS data processing 
    Kurov, A.A. (Вопросы атомной науки и техники, 2018)
    Based on the analysis of the network infrastructure of the NSC KIPT specialized computer complex for processing of data obtained in the CMS experiment at the Large Hadron Collider, the internal communication channels of ...
  • 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 ...
  • Velocity field based method for data processing in radionuclide studies 
    Kotina, E.D.; Ovsyannikov, D.A. (Вопросы атомной науки и техники, 2018)
    In this paper, we consider a method of construction of a velocity field based on an optimization approach. A general formulation of the problem is given. It is shown how, under the appropriate assumption, it reduces to ...
  • W7-X plasma diagnostics for impurity transport studies 
    Kubkowska, M.; Buttenschön, B.; Langenberg, A.; W7-X team (Вопросы атомной науки и техники, 2018)
    The Wendelstein 7-X (W7-X) stellarator which is located in Greifswald, Germany is an experimental device for demonstration of steady-state plasma operation. It was commissioned at the end of 2015 and at the beginning, it ...
  • 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 ...
  • Wake wave excited by the sequence of relativistic electron bunches: initial stage 
    Vynnyk, O.K.; Anisimov, I.O. (Вопросы атомной науки и техники, 2018)
    This report is devoted to the study of initial stage of the wake wave excited by the sequence of the short relativistic electron bunches. We used the modernized simulation package described in and based on the particle-incell ...
  • Wall conditioning discharges driven by Т-shaped antenna in Uragan-2M 
    Lozin, A.V.; Kozulia, M.M.; Korovin, V.B.; Beletskii, A.A.; Glazunov, G.P.; Konotopskiy, A.L.; Baron, D.I.; Moiseenko, V.E.; Grigor’eva, L.I.; Chechkin, V.V.; Shapoval, A.N.; Makhov, M.M.; Konovalov, V.G. (Вопросы атомной науки и техники, 2018)
    New VHF antenna was introduced at Uragan-2M for VHF vacuum chamber wall conditioning without and with weak magnetic field. It was made as a T-shaped ¼ wavelength double rod. The T-shaped antenna is capable for slow waves ...
  • Wave propagation in stratified medium: new matrix form of the wave difference equation 
    Ayzatsky, M.I. (Вопросы атомной науки и техники, 2018)
    Results of research of possibility of transformation of a wave difference equation into a system of the first-order difference equations are presented. In contrast to the method used previously, an unknown grid function ...
  • 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 ...

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