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Перегляд Problems of Atomic Science and Technology, 2022 за назвою

Репозиторій DSpace/Manakin

Перегляд Problems of Atomic Science and Technology, 2022 за назвою

Сортувати за: Порядок: Результатів:

  • Quadrupole lenses with permanent magnets 
    Bovda, V.A.; Bovda, A.M.; Guk, I.S.; Lyashchenko, V.N.; Mytsykov, A.O.; Onischenko, L.V. (Problems of Atomic Science and Technology, 2022)
    The paper presents an overview of up-to-date design and conception of permanent magnet quadrupole lense. The overview covers two classes of magnetic systems that used in the beam transport facilities of accelerators as ...
  • Radiation friction of relativistic charged particles moving in a periodic field 
    Ognivenko, V.V. (Вопросы атомной науки и техники, 2022)
    The motion of relativistic charged particles beam in an external periodic field is considered, taking into account the influence of incoherent fields produced by particles on this motion. On the basis of the dynamics of ...
  • Radiation hardness of polysiloxane-based scintillators 
    Zhmurin, P.М.; Yelisieiev, D.A.; Alekseev, V.D.; Yelisieieva, O.V.; Нurkalenko, Yu.О.; Popov, V.Ph. (Вопросы атомной науки и техники, 2022)
    Polysiloxane-based scintillators with different contant of aromatic chromophore groups have been obtained. 2,5-diphenyloxazole and its alkyl derivative were used as activators. The optical and scintillation properties of ...
  • Radiation hardness of polysiloxane-based scintillators 
    Zhmurin, P.М.; Yelisieiev, D.A.; Alekseev, V.D.; Yelisieieva, O.V.; Нurkalenko, Yu.О.; Popov, V.Ph. (Вопросы атомной науки и техники, 2022)
    Polysiloxane-based scintillators with different contant of aromatic chromophore groups have been obtained. 2,5-diphenyloxazole and its alkyl derivative were used as activators. The optical and scintillation properties of ...
  • Registration of conversion electrons in a wide energy range by the detecting system “Si planar detector - metal Gd converter” 
    Bochek, G.L.; Kapliy, А.A.; Kiprich, S.K.; Kovalenko, G.D.; Maslov, N.I.; Ovchinnik, V.D.; Potin, S.M.; Semisalov, I.L.; Shlyahov, I.N.; Shulika, M.Yu.; Vasiliev, G.P.; Yalovenko, V.I. (Problems of Atomic Science and Technology, 2022)
    The possibility of conversion electrons registration in a wide energy range by the detecting system “planar uncooled silicon detector – metal gadolinium converter” is studied. Research samples of detecting modules have ...
  • Relative length as a classification parameter of the crystallization mode of amorphous films 
    Bagmut, A.G. (Вопросы атомной науки и техники, 2022)
    The possibility of using of the relative length δ₀ as a parameter, determining the polymorphous crystallization mode of amorphous films, was considered. Following polymorphous crystallization modes have been identified ...
  • Relativistic kinetics and hydrodynamics of hot collisional plasmas 
    Marushchenko, I.; Azarenkov, N.A. (Problems of Atomic Science and Technology, 2022)
    In the paper, relativistic equations of local hydrodynamics for the laboratory fusion plasmas are obtained. Relativistic effects in the physics of electron transport appear primarily because of macroscopic features of ...
  • Research by direct methods of the base metal of main circulation pipeline of the power unit 3 of the south ukraine NPP after 200 thousand hours of operation 
    Vasilenko, R.L.; Gozhenko, S.V.; Krainyuk, Y.A.; Rudenko, O.G. (Вопросы атомной науки и техники, 2022)
    The base metal (BM) of the main circulation pipeline (MCP) of the unit 3 of the South Ukraine NPP, which has been in operation for 200 thousand hours, was investigated by direct methods. It is shown that the mechanical ...
  • Resistance of titanium alloys to cavitation wear 
    Klimenko, І.О.; Marinin, V.G.; Ovcharenko, V.D.; Kovalenko, V.I.; Kuprin, A.S.; Reshetnyak, O.M.; Belous, V.A.; Rostova, H.Yu. (Вопросы атомной науки и техники, 2022)
    The wear rate of titanium alloys VT1-0, TC5, VT6, VT14, OT4 under the action of microshocks due to cavitation, which is created in distilled water under the surface of the ultrasonic wave emitter, were determined. It was ...
  • RF modulated thermionic electron gun 
    Mytrochenko, V.V.; Zhyglo, V.F.; Kushnir, V.A. (Problems of Atomic Science and Technology, 2022)
    We present design and simulation results on the electron source for S-band technological electron linac. This device is a combination of an RF gun and a DC diode gun. The gun consists of a thermionic cathode, which is ...
  • Risk-informed method for predicting the operation life extension period of active safety systems at nuclear power plants 
    Skalozubov, V.I.; Vierinov, A.M.; Kosenko, S.I.; Alali, M.; Kochnyeva, V.Yu. (Вопросы атомной науки и техники, 2022)
    An original method has been developed for predicting the operation life extension period of thermal mechanical equipment of safety systems based on the assessment of the residual resource by the number of thermohydrodynamic ...
  • Second-order phase transitions in crystalline media under the temperature effects 
    Borts, B.V.; Skoromnaya, S.F.; Tkachenko, V.I. (Вопросы атомной науки и техники, 2022)
    Various approaches to describe phase transitions in crystalline media are considered: Landau phenomenological approach of second-order phase transitions as well as Kolmogorov’s, Avrami’s and Christian’s theories of ...
  • SIMS study of the TiFe alloy interaction with oxygen 
    Litvinov, V.A.; Okseniuk, I.I.; Shevchenko, D.I.; Bobkov, V.V. (Вопросы атомной науки и техники, 2022)
    Secondary ion mass spectrometry (SIMS) analysis is used to investigate the composition of surface monolayers of the hydride forming intermetallic TiFe alloy during its interaction with oxygen. Oxygen, which is chemisorbed ...
  • Simulation of plasma wakefield focusing and self-focusing of a short sequence of electron bunches depending on the bunch length, shape and distance between bunches 
    Bondar, D.S.; Maslov, V.I.; Onishchenko, I.N. (Problems of Atomic Science and Technology, 2022)
    By using two-dimensional numerical simulation, the ratio between the effects of wakefield focusing and self-focusing during the propagation of a short sequence of electron bunches in plasma has been simulated. Cases of ...
  • Small size “DI-2” accelerator with the plasma current switch and inductive energy accum ulator as a material irradiation test rig 
    Yuferov, V.B.; Skibenko, E.I.; Buravilov, I.V.; Svichkar, А.S.; Ponamoriev, А.N.; Katrechko, V.V.; Nikulshina, V.V. (Вопросы атомной науки и техники, 2022)
    This scientific paper delves into the basic characteristics of the updated “DI-2” accelerator, i.e., currents, voltages and pulse duration as a function of a delay time between the pulses generated by the major pulse current ...
  • Some results of research of chemical processes in a supercritic convectional water loop under electron exposure 
    Azarov, A.I.; Bakai, A.S.; Boriskin, V.N.; Bocharov, V.A.; Gorenko, Yu.V.; Dolzhek, M.A.; Momot, V.A.; Solodovnikov, V.I.; Titov, V.Yu.; Zebenko, G.N.; Churikov, V.V.; Shelepko, S.V. (Вопросы атомной науки и техники, 2022)
    The specific heat of water at the critical point increases abruptly and therefore supercritical water (SCW) can effectively cool a nuclear reactor, it would be promising to use SCW in nuclear energy. However, at high ...
  • Spectra of low-energy secondary electrons in the interaction of relativistic electrons with aluminum foil 
    Vit’ko, V.; Kovalenko, G.; Karpus, S.; Semisalov, I.; Shopen, O. (Problems of Atomic Science and Technology, 2022)
    The integral yields of secondary low-energy electrons (with energies up to 50 eV) in the interaction of primary electrons 10…30 MeV with 50 μm aluminum foil have been studied. It is shown that the proposed method for ...
  • Spectrometric registration of x-ray and gamma radiation by detecting modules “silicon planar detector - scintillator” 
    Bochek, G.L.; Kapliy, А.A.; Kiprich, S.K.; Kovalenko, G.D.; Maslov, N.I.; Ovchinnik, V.D.; Semisalov, I.L.; Shirokopetlev, F.O.; Shlyahov, I.N.; Shulika, M.Yu.; Vasiliev, G.P.; Yalovenko, V.I. (Problems of Atomic Science and Technology, 2022)
    The use of detection modules based on a silicon planar uncooled detector and a scintillator in combination with readout electronics makes it possible to create detection complexes for spectrometric detection of X-ray and ...
  • Stability of thin quasi-crystalline Ti-Zr-Ni films and related crystalline phases under low-energy transient plasma irradiation 
    Malykhin, S.V.; Kondratenko, V.V.; Makhlai, V.A.; Garkusha, I.E.; Kopylets, I.A.; Borisov, Yu.S.; Herashchenko, S.S.; Surovitskiy, S.V.; Borisova, S.S. (Problems of Atomic Science and Technology, 2022)
    The properties of Ti41Zr38.3Ni20.7 thin films under radiation-thermal action of hydrogen plasma with a surface heat load of 0.2 MJ/m² was studied at the QSPA Kh-50 quasi-stationary plasma accelerator (NSC KIPT). The phase ...
  • Structural features of doped silicon single crystals 
    Azarenkov, N.A.; Semenenko, V.E.; Stervoyedov, N.G. (Вопросы атомной науки и техники, 2022)
    The nature of the change in the Fermi level of silicon under the influence of dopants, point defects, and dislocations has been determined. The parameters of the diffusion of impurities, the conditions for their appearance ...

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