Перегляд за автором "Romas’ko, V.P."

Сортувати за: Порядок: Результатів:

  • Design and exploitation powerful thyratron swith in modulators accelerators NSC KIPT 
    Beloglazov, V.I.; Chaika, I.A.; Chertishchev, I.A.; Kaplij, D.A.; Kosoi, A.I.; Romas’ko, V.P.; Titov, V.Yu.; Tur, Yu.D.; Tsimbal, V.A.; Zaitsev, I.N.; Zaitsev, E.I. (Вопросы атомной науки и техники, 2016)
    Modulators performed according to linear circuit with PFN depletion via pulse transformer are used in NSC KIPT active electron accelerators. Switch and its components determine the reliability of a plant. Hydrogen ...
  • Electron guns for technological linear accelerators 
    Beloglasov, V.I.; Biller, E.Z.; Vishnýakov, V.A.; Dovbush, L.S.; Zhiglo, V.F.; Zavada, L.M.; Zakutin, V.V.; Kosoy, A.I.; Kushnir, V.A.; Mitrochenko, V.V.; Mýakushko, L.K.; Reshetnýak, N.G.; Romas’ko, V.P.; Stepin, D.L.; Tur, Yu.D.; Khodak, I.V. (Вопросы атомной науки и техники, 1999)
    The modern technologies based on linear electron accelerator require intensive beams with small particle losses during acceleration. The beam quality at an accelerator exit is mainly determined by an injector and, in ...
  • Formation of the electron beamin a secondaryemission magnetron gun its starting by anodulum high-voltage pulse 
    Ayzatsky, N.I.; Dovbnya, A.N.; Mazmanishvili, A.S.; Reshetnyak, N.G.; Romas’ko, V.P.; Chertishchev, I.A. (Вопросы атомной науки и техники, 2018)
    The results of a study on the formation of an electron beam by a magnetron gun with a secondary-emission cathode (cathode diameter 36 mm, an anode 78 mm) in the voltage range 25...90 kV are presented. The secondaryemission ...
  • Forming electron beam pulses of a subnanosecond duration 
    Dovbnya, A.N.; Zakutin, V.V.; Reshetnyak, N.G.; Romas’ko, V.P.; Shenderovitch, A.M.; Semenets, T.A.; Volkolupov, Yu.Ya.; Krasnogolovets, M.A. (Вопросы атомной науки и техники, 2001)
  • High-voltage nanosecond pulse generator for magnetron gun triggering 
    Reshetnyak, N.G.; Romas’ko, V.P.; Chertishchev, I.A. (Вопросы атомной науки и техники, 2018)
    A small-sized nanosecond generator was developed to trigger a magnetron gun. A voltage pulse of amplitude up to 20 kV is applied to anode for gun triggering. Rise and fall fronts of high-voltage pulse are 20 and 70 ns ...
  • Multichannel system for research of secondary emission pulse electron beam generation 
    Ayzatsky, N.I.; Boriskin, V.N.; Gurin, V.A.; Kushnir, V.A.; Mitrochenko, V.V.; Reshetnyak, N.G.; Romas’ko, V.P.; Savchenko, A.N.; Zakutin, V.V. (Вопросы атомной науки и техники, 2004)
    To carry out crossed-field secondary emission electron sources scientific-research developments we have designed and manufactured a 12-channel information measuring system. A hardware complex of the multichannel pulse-signal ...
  • On lengthening the voltage pulse duration of a linear modulator 
    Zakutin, V.V; Reshetnyak, N.K.; Romas’ko, V.P.; Chertishchev, I.A. (Вопросы атомной науки и техники, 2006)
    Experiments were made to investigate the operation of the modulator in combination with the storage capacitor, using the nonlinear properties of the core material of the pulse transformer for the formation of long pulses. ...
  • Parameters of electron beam generated by RF gun with ferroelectric cathode 
    Khodak, I.V.; Kushnir, V.A.; Romas’ko, V.P.; Zakutin, V.V. (Вопросы атомной науки и техники, 2006)
    RF guns with thermoemission and photoemission cathodes generate an electron beam pulse current and current pulse duration of 10⁻¹…10³ A and 10⁻⁶…10⁻¹² s, respectively. It is proposed to apply a ferroelectric cathode in ...
  • Procedure of nanodimensional amorphous-microcrystalline structure formation by radiation in single crystal silicon 
    Dovbnya, A.N.; Yefimov, V.P.; Abyzov, A.S.; Rybka, A.V.; Zakutin, V.V.; Reshetnyak, N.G.; Blinkin, A.A.; Romas’ko, V.P. (Вопросы атомной науки и техники, 2009)
    Quantum structures with enhanced electric conductivity have been formed in a single-crystal silicon matrix. An array of quantum filaments improves the collection of low-mobility charge carriers in the emitter structure ...
  • Stabilization of nano-sized structures in the volume of single-crystalline silicon for photoconverters 
    Dovbnya, A.N.; Yefimov, V.P.; Abyzov, A.S.; Rybka, A.V.; Bereznyak, E.P.; Zakutin, V.V.; Reshetnyak, N.G.; Blinkin, A.A.; Romas’ko, V.P.; Gabelkov, S.V.; Tarasov, R.V. (Вопросы атомной науки и техники, 2009)
    The paper considers the possibilities of stabilization of microstructures created in the latent tracks in single-crystalline silicon by multicharged ions from the nuclear fragments formed as a result of heavy element ...
  • Studies on formation of the radially-directed electron beam generated by the magnetron gun with a secondary emission cathode 
    Ayzatsky, M.I.; Dovbnya, A.N.; Mazmanishvili, A.S.; Reshetnyak, N.G.; Romas’ko, V.P.; Chertishchev, I.A. (Вопросы атомной науки и техники, 2016)
    Results are reported from the experimental and model investigations of the formation of a radially-directed electron beam, which is generated by a secondary-emission cathode magnetron gun in the electron energy range ...
  • The electron accelerator for technological purposes with a secondary-emission electron source as the basis 
    Dovbnya, A.N.; Zakutin, V.V.; Reshetnyak, N.G.; Romas’ko, V.P.; Chertishchev, I.A.; Dovbnya, N.A.; Lavrinenko, S.D. (Вопросы атомной науки и техники, 2007)
    Results are reported from the studies on the electron beam parameters of the accelerator based on a secondary emission source. The accelerator forms the electron beam with an electron energy of up to 100 keV, a current up ...
  • The magnetic field effect on electron beam generation in magnetron injection guns with secondary-emission cathodes 
    Dovbnya, A.N.; Zakutin, V.V.; Reshetnyak, N.G.; Romas’ko, V.P.; Bovda, A.M.; Utva, O.M.; Pokas, V.F.; Jeran, L.V.; Krasnogolovets, M.A.; Volkolupov, Yu.Ya. (Вопросы атомной науки и техники, 1999)
    Magnetron guns with secondary-emission cathodes appear promising for the use as electron sources in high-power microwave devices [1, 2]. For stable beam generation, the magnetic field in the gun is calculated to be between ...
  • Voltage pulse formation for energizing the magnetron gun with a secondary-emission cathode 
    Chertishchev, I.A.; Reshetnyak, N.G.; Romas’ko, V.P.; Zakutin, V.V. (Вопросы атомной науки и техники, 2014)
    Various techniques have been investigated for forming a high-voltage pulse to energize magnetron guns with secondary-emission cathodes. To generate a powerful beam, it was necessary that the storage element in the modulator ...