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Перегляд Problems of Atomic Science and Technology, 2020, № 6 за назвою

Репозиторій DSpace/Manakin

Перегляд Problems of Atomic Science and Technology, 2020, № 6 за назвою

Сортувати за: Порядок: Результатів:

  • An attempt for increasing the efficiency of penning source of Н ⁻ ions with a metal hydride cathode 
    Sereda, I.; Ryabchikov, D.; Hrechko, Ya.; Babenko, Ie. (Вопросы атомной науки и техники, 2020)
    The possibility of increasing the current of negative hydrogen ions extracted in the longitudinal direction from a Penning discharge with a metal hydride cathode by reducing the anode-cathode distance is shown. The features ...
  • Anomalous transport of transversely accelerated ions in lower hybrid cavities 
    Azarenkov, N.A.; Chibisov, A.D.; Chibisov, D.V. (Вопросы атомной науки и техники, 2020)
    The transport of particles and heat for transversely accelerated ions in lower hybrid cavities due to drift turbulence is investigated. The transport equations for the conditions of lower hybrid cavities are obtained. It ...
  • Application of dielectric barrier discharge and plasma-chemical reactor for water purification from NH₄OH 
    Taran, V.S.; Garkusha, I.E.; Krasnyj, V.V.; Taran, A.V.; Lozina, A.S.; Chechelnitskyi, O.G.; Boldyriev, I.M.; Romaniuk, S.P. (Вопросы атомной науки и техники, 2020)
    Water purification from ammonium hydroxide was carried out by using two methods of processing: treatment with ozone generated by a dielectric barrier discharge (DBD) as well as processing in plasma-chemical reactor equipped ...
  • Braginskii equations for hot relativistic plasmas: mixed approach 
    Marushchenko, I.; Azarenkov, N.A. (Вопросы атомной науки и техники, 2020)
    In the paper, the Braginskii equations for relativistic electrons in hot plasmas with slow macroscopic fluxes are derived. This consideration is suitable for description of the typical fusion plasma with the temperatures ...
  • Burning modes of a bipolar pulsed discharge in CO₂ 
    Lisovskiy, V.A.; Dudin, S.V.; Vusyk, M.M.; Yegorenkov, V.D. (Вопросы атомной науки и техники, 2020)
    We have studied the burning modes of the bipolar pulsed discharge in CO₂ within the frequency range between 20 and 300 kHz and the duty cycle of 11…97%. The current and voltage waveforms within the pressure range between ...
  • Comparison of spark channel expansion in hydrogen, oxygen and nitrogen 
    Korytchenko, K.V.; Kashanskyi, Yu.V.; Cherkashyn, O.V.; Belyuchenko, D.Yu.; Maksimov, A.V.; Nikorchuk, A.I.; Chernenko, P.V. (Вопросы атомной науки и техники, 2020)
    The results of the spark channel expansion simulation in various gases such as hydrogen, oxygen and nitrogen have been presented. Difference in thermodynamic properties of the various gases has been taken into account. ...
  • Damaging of pure tungsten with different microstructure under sequential QSPA and LHD plasma loads 
    Herashchenko, S.S.; Byrka, O.V.; Makhlaj, V.A.; Wirtz, M.; Aksenov, N.N.; Garkusha, I.E.; Petrov, Yu.V.; Malykhin, S.V.; Surovitskiy, S.V.; Masuzaki, S.; Tokitani, M.; Lebedev, S.I.; Shevchuk, P.B. (Вопросы атомной науки и техники, 2020)
    The cracking thresholds were evaluated for tungsten samples with different microstructure in the course of QSPA Kh – 50 repetitive plasma loads. No damage has been observed on the exposed surfaces under 0.1 MJ/m². Nevertheless, ...
  • DC gas breakdown and townsend discharge in CO₂ 
    Lisovskiy, V.A.; Dudin, S.V.; Platonov, P.P.; Yegorenkov, V.D. (Вопросы атомной науки и техники, 2020)
    We report the breakdown curves and current-voltage characteristics (CVC) of the Townsend mode DC discharge we have measured in carbon dioxide. We compare the breakdown curves measured with two different techniques. With ...
  • Dependences of helium retention in tungsten and tantalum coatings irradiated with He⁺ ions on fluence and temperature 
    Bobkov, V.V.; Tishchenko, L.P.; Kovtunenko, Yu.I.; Skrypnyk, A.O.; Gamayunova, L.O. (Вопросы атомной науки и техники, 2020)
    The processes of helium accumulation and thermal desorption for tungsten and tantalum coatings deposited on a stainless-steel substrate with an intermediate titanium layer were studied at various temperatures of the samples ...
  • Discharge characteristics of combined low energy ion source – magnetron sputtering system 
    Zykov, A.; Yefymenko, N.; Dudin, S.; Yakovin, S. (Вопросы атомной науки и техники, 2020)
    The discharge characteristics of a new combined low energy magnetron-ion-source sputtering system are presented. The ignition curves, current-voltage characteristics of the system in dependence on gas pressure, magnitude ...
  • Discharge parameters of magnetoplasma compressor: effect of external axial magnetic field 
    Solyakov, D.G.; Volkova, Yu.Ye.; Marchenko, A.K.; Ladygina, M.S.; Staltsov, V.V.; Petrov, Yu.V.; Chebotarev, V.V.; Merenkova, T.M.; Makhlaj, V.A.; Yeliseyev, D.V. (Вопросы атомной науки и техники, 2020)
    This paper reports the findings of our recent experiments on the evaluation of the external axial magnetic field effect on the discharge parameters of a magnetoplasma compressor (MPC). The discharge-voltage characteristics ...
  • Effect of deposition parameters on microstructure and tribological properties of hard CA-PVD multi-component TiAlCrN and TiAlCrCN coatings 
    Misiruk, I.O.; Tymoshenko, A.I.; Taran, V.S.; Taran, A.V.; Romaniuk, S.P.; Skoblo, T.S.; Maltsev, T.V.; Plutargaev, A.V.; Deryabkina, E.S. (Вопросы атомной науки и техники, 2020)
    Multicomponent TiAlCrN and TiAlCrCN coatings were deposited using vacuum arc evaporation technique on AISI 430 stainless steel. The influence of working gas pressure, C ⁄ N ratio, bias voltage on the structure and ...
  • Effect of electron emission processes on macroparticle charging in plasma systems with electron beam 
    Romashchenko, E.V.; Girka, I.О.; Bizyukov, A.A.; Chibisov, A.D. (Вопросы атомной науки и техники, 2020)
    The effect of different electron emission processes on macropraticle (MP) charging in a plasma at the presence of electron beam is investigated. A complete model of the MP charging in the beam-plasma systems, which includes ...
  • Effects of argon atoms in excited states on properties of argon-acetylene dusty plasma 
    Denysenko, I.B.; Ivko, S.; Azarenkov, N.A.; Burmaka, G. (Вопросы атомной науки и техники, 2020)
    It is studied how dissociation and ionization of acetylene molecules in their collisions with argon atoms in excited states Ar* may affect properties of argon-acetylene plasma with growing inside of plasma volume dust ...
  • Emission characteristics of gas discharge plasma on mixtures of cadmium diodide vapor, helium and xenon 
    Malinina, A.A.; Malinіn, A.N. (Вопросы атомной науки и техники, 2020)
    The results of studying the spectral, integral, and resource characteristics of gas-discharge plasma radiation on multicomponent mixtures (cadmium diiodide with helium and xenon atoms) are presented. The creation of a ...
  • Emission spectra and current characteristics of negative corona discharge in an electrode system with liquid anode 
    Bolotov, O.V.; Golota, V.I.; Taran, G.V. (Вопросы атомной науки и техники, 2020)
    Experimental study of emission spectra and current characteristics of negative corona discharge over the surface of aqueous salt solutions have been carried out. The radiation spectra from the active zone of the discharge ...
  • Excitation temperatures in plasma of underwater disharges between iron granules 
    Murmantsev, A.; Veklich, A.; Boretskij, V. (Вопросы атомной науки и техники, 2020)
    This paper deals with development of optical emission spectroscopy techniques for diagnostic of underwater discharge plasma between iron granules. The difficulties in selection of iron spectral lines, as well as the ...
  • Forwand backward electron yield ratio for α-particle induced emission from different materials 
    Zhurenko, V.P.; Kononenko, S.I.; Kalantaryan, O.V.; Avotin, S.S.; Rokhmanov, N.Ya. (Вопросы атомной науки и техники, 2020)
    TIn this work, the ratio of forward and backward electron yields for emission induced by the isotropic flux of α-particles from zinc was measured. On the basis of the measured values and experimental data obtained in earlier ...
  • Functional protective ZrN coatings on implants for trauma surgery 
    Taran, V.S.; Garkusha, I.E.; Taran, A.V.; Muratov, R.M.; Vorontsov, P.M.; Gnidenko, Yu.P.; Herasimov, H.M.; Starikov, V.V.; Baturin, A.A.; Romaniuk, S.P. (Вопросы атомной науки и техники, 2020)
    The nano-crystalline films of zirconium nitride have been synthesized on implants for trauma surgery made of AISI 316 L stainles steel by using vacuum-arc deposition under RF-biasing mode in “Bulat” type device. Structure ...
  • Gas discharge in plasma-metal waveguide with varying radius of metal enclosure partially filled by radially non-uniform magnetized plasma 
    Azarenkov, N.A.; Olefir, V.P.; Sporov, A.E. (Вопросы атомной науки и техники, 2020)
    The article presents the results of theoretical study of phase and attenuation characteristics of the symmetric electromagnetic wave in long waveguide structure that partially filled by radially non-uniform plasma immersed ...

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