Перегляд за автором "Hrechko, Ya.O."

Сортувати за: Порядок: Результатів:

  • Anisotropy of radiation from dense plasma of multiply ionized atoms 
    Hrechko, Ya.O.; Azarenkov, N.A.; Babenko, Ie.V.; Raybchikov, D.L.; Vusyk, N.N.; Tseluyko, A.F. (Вопросы атомной науки и техники, 2015)
    It has been study the formation of anisotropic extreme ultraviolet radiation from the plasma of multiply ionized atoms. The mean free path of quantum in dense plasma has been estimated. The critical current for formatting ...
  • Dynamics of EUV-radiation from the partially contracted plasma diode 
    Hrechko, Ya.O.; Azarenkov, N.A.; Dimitrova, V.D.; Borgun, Ie.V.; Ryabchikov, D.L.; Sereda, I.N.; Hryhorenko, A.V.; Tseluyko, A.F. (Вопросы атомной науки и техники, 2015)
    The possibility of forming the directional plasma extreme ultraviolet (EUV) radiation under the partial contraction of the current channel by the dielectric insert in a high-current plasma diode is studied. The discharge ...
  • Effect of the external magnetic field on the dynamics and power of the self-sustained plasma-beam discharge 
    Hrechko, Ya.O.; Azarenkov, N.A.; Babenko, Ie.V.; Ryabchikov, D.L.; Sereda, I.N.; Boloto, D.A.; Tseluyko, A.F. (Вопросы атомной науки и техники, 2018)
    The paper is related to the studying the effect of the external constant magnetic field on the dynamics and power of the self-sustained plasma-beam discharge. It is shown that a relatively small (up to 1 kG) magnetic field ...
  • Electromagnetic filter for H⁻ separation from pig with metal hydride cathode 
    Sereda, I.N.; Tseluyko, A.F.; Ryabchikov, D.L.; Hrechko, Ya.O.; Krupka, A. (Вопросы атомной науки и техники, 2018)
    The paper proposes a design and method for calculating an electromagnetic filter for separation of negative hydrogen ions extracted in the longitudinal direction from the Penning discharge with a metal hydride cathode. ...
  • Features of electron beam evaporation under surface electron beam formation 
    Mysiura, I.N.; Girka, I.A.; Azarenkov, N.A.; Borgun, Ie.V.; Hrechko, Ya.O.; Hryhorenko, A.V.; Dimitrova, V.D.; Ryabchikov, D.L.; Sereda, I.N.; Tseluyko, A.F. (Вопросы атомной науки и техники, 2014)
    In this paper, the features of the dense plasma generation under the thermal substance evaporation by an electron beam, formed directly at the crucible surface, have been investigated. Peculiarities of the research are the ...
  • Hydrogen injector based on penning discharge with metal hydride cathode 
    Sereda, I.N.; Hrechko, Ya.O.; Tseluyko, A.F.; Ryabchikov, D.L. (Вопросы атомной науки и техники, 2018)
    The paper presents the results of the investigation of a neutral-hydrogen pulse injector based on Penning discharge with a metal hydride hollow cathode. The source of chemically pure hydrogen is a getter alloy Zr₅₀V₅₀ ...
  • Longitudinal extraction of H⁻ ions from Penning discharge with metal-hydride cathode 
    Sereda, I.N.; Tseluyko, A.F.; Ryabchikov, D.L.; Babenko, I.V.; Hrechko, Ya.O.; Hetman, V.A. (Вопросы атомной науки и техники, 2017)
    In the paper the emitting ability of negative hydrogen ions H⁻ in longitudinal direction from Penning discharge with metal-hydride cathode is investigated. This effect is possible due to mutual influence of activated ...
  • Method of increasing the longitudnal current of Н⁻ ions from pig with a metal-hydride cathode 
    Sereda, I.N.; Tseluyko, A.F.; Ryabchikov, D.L.; Hrechko, Ya.O.; Krupka, A.A. (Вопросы атомной науки и техники, 2019)
    The possibility of increasing the current of negative hydrogen ions extracted in the longitudinal direction from Penning discharge with a metal-hydride cathode by changing potentials at the discharge cathodes is investigated. ...
  • Methods for control the self-sustained plasma-beam discharge at high energy density 
    Hrechko, Ya.O.; Azarenkov, N.A.; Tseluyko, A.F.; Ryabchikov, D.L.; Sereda, I.N. (Вопросы атомной науки и техники, 2019)
    Three methods for control the self-sustained plasma-beam discharge at high energy density are presented in this paper. Using a particular method, it is possible to set the location of the double layers formation in the ...
  • Optimization of the collecting mirror location in the plasma source of extreme ultraviolet radiation 
    Borgun, Ie.V.; Hrechko, Ya.O.; Azarenkov, N.A.; Dimitrova, V.D.; Ryabchikov, D.L.; Sereda, I.N.; Hryhorenko, A.V.; Tseluyko, A.F. (Вопросы атомной науки и техники, 2015)
    The paper is devoted to searching the optimal location of first collecting mirror in the extreme ultraviolet radiation plasma sources. It is shown that the system efficiency can be increased by 1.5…2.5 times in the case ...
  • 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 ...
  • The capacitive component of double layer current in plasma 
    Hrechko, Ya.O.; Azarenkov, N.A.; Babenko, Ie.V.; Ryabchikov, D.L.; Sereda, I.N.; Shovkun, M.A.; Tseluyko, A.F. (Вопросы атомной науки и техники, 2017)
    The features of nonstationary double layers in the high-current pulsed discharges have been theoretically and experimentally investigated in this paper. The expression for the capacity of strong double layer in quasi-MHD ...
  • Еlectrodes dimensions effect on the self-sustained plasma-beam discharge power 
    Hrechko, Ya.O.; Azarenkov, N.A.; Babenko, Ie.V.; Ryabchikov, D.L.; Sereda, I.N.; Boloto, D.A.; Tseluyko, A.F. (Вопросы атомной науки и техники, 2018)
    The possibility of increasing the active power inputted into the discharge is shown by reducing the working surface area of the high-voltage electrode in high-current pulsed plasma diode of low-pressure. Under conditions ...