Перегляд за автором "Kramarenko, K.Yu."

Сортувати за: Порядок: Результатів:

  • Accelerating section for technological electron linac 
    Ayzatsky, M.I.; Biller, E.Z.; Dovbnya, A.N.; Kramarenko, K.Yu.; Khodak, І.V.; Kushnir, V.A.; Mytrochenko, V.V.; Nikitina, T.Ph.; Opanasenko, A.M.; Perezhogin, S.A.; Stepin, D.L.; Selivanov, L.I.; Zhiglo, V.Ph. (Вопросы атомной науки и техники, 2016)
    The construction parameters and electrodynamic characteristics of the accelerating section with phase advance of 120° at the operating frequency of 2856 MHz are presented. This section is designed to upgrade the electron ...
  • Application of Krylov-Bogolyubov averaging method to the problem of periodic perturbations in the layered medium 
    Kramarenko, K.Yu.; Khizhnyak, N.A. (Вопросы атомной науки и техники, 2001)
    Influence of small periodic perturbation in periodic dielectric medium on propagation of ТМ-polarized waves is investigated by the Krylov-Bogolyubov averaging method. As a result of periodic perturbation inside the allowed ...
  • Beam transient dynamics simulation on the basis of coupled resonators model in injector sections of high current LINACS 
    Aizatskyi, M.I.; Kushnir, V.A.; Kramarenko, K.Yu.; Mitrochenko, V.V. (Вопросы атомной науки и техники, 2013)
    Code on the basis of coupled resonators model was developed for beam transient dynamics simulation in linac injector sections. This code gives possibility to study electron multiflow movement that arises after stopping of ...
  • Biperiodical bunching system based on the evanescent waves 
    Ayzatsky, M.I.; Kramarenko, K.Yu.; Perezhogin, S.A. (Вопросы атомной науки и техники, 2001)
    To improve the beam bunching at the initial stage of acceleration it is necessary to create an increasing field distribution. Such distribution can be created in a biperiodic disk-loaded waveguide. It is well known that ...
  • Bunching system based on the evanescent waves 
    Ayzatsky, M.I.; Kramarenko, K.Yu.; Perezhogin, S.A. (Вопросы атомной науки и техники, 2001)
    To improve the beam bunching at the initial stage of acceleration it is necessary to create an increasing field distribution. Such distribution can be created in the ordinary disk-loaded waveguide in its stopbands. Generally, ...
  • Characteristics of inhomogeneous accelerating structures 
    Ayzatsky, M.I.; Kramarenko, K.Yu. (Вопросы атомной науки и техники, 2004)
    We present the results of investigations of accelerating structures consisting of a segment of an inhomogeneous disk-loaded waveguide, input and output couplers. The sizes of the apertures inside the waveguide take random ...
  • Cooling systems for the LU-10 accelerating section 
    Zhiglo, V.F.; Kushnir, V.A.; Mytrochenko, V.V.; Kramarenko, K.Yu. (Вопросы атомной науки и техники, 2015)
    Parameters and design of the cooling system of the accelerating section for industrial high power linac are given. It is shown that the heating of the outer surface of the accelerating section constitutes 1°C at average ...
  • Dielectric RF resonators with open boundaries for studying radiation effect on electrodynamic characteristics of solid dielectrics 
    Kushnir, V.A.; Kramarenko, K.Yu.; Mytrochenko, V.V.; Nikitina, O.D.; Perezhogin, S.A.; Selivanov, L.I. (Вопросы атомной науки и техники, 2020)
    The use of dielectric materials in the charged particles accelerators requires investigation of changes in the electrodynamic properties of these materials under the influence of ionizing radiation. First of all it is ...
  • Electron injector based on resonance system with evanescent oscillations 
    Ayzatsky, M.I.; Biller, E.Z.; Golovko, N.G.; Kramarenko, K.Yu.; Kushnir, V.A.; Mitrochenko, V.V.; Perezhogin, S.A.; Zhiglo, V.Ph. (Вопросы атомной науки и техники, 2004)
    The article presents the design and simulated performances of an electron gun and a bunching system of the Sband injector based on a coupled cavity chain. Amplitude of the on-axis field varies substantially from the cell ...
  • Estimation of BBU threshold current in an inhomogeneous accelerating section 
    Ayzatsky, M.I.; Kramarenko, K.Yu.; Mytrochenko, V.V. (Вопросы атомной науки и техники, 2020)
    In this work we describe the procedure of estimation of regenerative beam blowup threshold current in an inhomogeneous accelerating section. The self-consistent problem of transverse motion of particles in the field of ...
  • Mathematical model of inhomogeneous cavity chain 
    Ayzatskiy, M.I.; Kramarenko, K.Yu. (Вопросы атомной науки и техники, 2004)
    Mathematical model of inhomogeneous chain of cylindrical cavities is developed. Coupling coefficients in the inhomogeneous cavity chain can be calculated with definite accuracy for the structure with arbitrary ...
  • On a method of tuning of couplers for electron LINACS based on disk loaded waveguides 
    Aizatskyi, N.I.; Kramarenko, K.Yu.; Khodak, I.V.; Kushnir, V.A.; Mytrochenko, V.V.; Opanasenko, A.M.; Perezhogin, S.A.; Selivanov, L.I.; Zhiglo, V.F. (Вопросы атомной науки и техники, 2015)
    The article presents an adjustment procedure for an input and output couplers of a traveling wave accelerating section based on cylindrical disk loaded waveguide (CDLW). The procedure consists in bead pull measurement of ...
  • State and prospects of the linac of nuclear-physics complex with energy of electrons up to 100 MeV 
    Aizatskyi, M.I.; Beloglasov, V.I.; Boriskin, V.N.; Vereschaka, V.M.; Vodin, A.M.; Dronov, R.M.; Dovbnya, A.N.; Zhiglo, V.F.; Zaitsev, I.M.; Kramarenko, K.Yu.; Kushnir, V.A.; Mitrochenko, V.V.; Opanasenko, A.M.; Oleinik, S.M.; Perezhogin, S.A.; Ranyuk, Yu.M.; Repikhov, O.O.; Reprintsev, L.V.; Stepin, D.L.; Tatanov, V.I.; Uvarov, V.L.; Khodak, I.V.; Tsymbal, V.O.; Shramenko, B.I. (Вопросы атомной науки и техники, 2014)
    The paper describes the results of the work on improvement of electron linac LUE-40. This linac has been designed for nuclear physics research in the electron energy range 40…100 MeV. The main purpose is to reduce the ...
  • Wide range electron energy adjustment at two-section RF linac 
    Kramarenko, K.Yu.; Kushnir, V.A.; Mytrochenko, V.V.; Opanasenko, A.M.; Perezhogin, S.O. (Вопросы атомной науки и техники, 2009)
    The results of numerical electron energy adjustment simulation at the exit of two-section RF linac in a wide range are presented. It is shown that energy of particles can be varied at the range of 15...94 MeV . Other beam ...
  • Аnalysis of short electron bunches shaping in a linac 
    Ayzatsky, M.І.; Kramarenko, K.Yu.; Kushnir, V.A.; Mytrochenko, V.V.; Opanasenko, A.M.; Perezhogin, S.O. (Вопросы атомной науки и техники, 2018)
    The features of short electron bunche shaping via velocity bunching are explored. The basic possibility to obtain bunches with duration less than 1 ps at the LUE-40 linac is shown.
  • Аnalysis of the non-stationary model of coupled oscillators with inductive coupling 
    Ayzatsky, M.I.; Kramarenko, K.Yu. (Вопросы атомной науки и техники, 2018)
    The model of coupled oscillators plays an important role in modern physics. It is used for description of various processes: from oscillations of atoms in solid states to electromagnetic oscillations in slow-wave structures. ...