Перегляд за автором "Shapoval, I.M."

Сортувати за: Порядок: Результатів:

  • Excitation of oscillations in the vircator with premodulation 
    Melezhik, O.G.; Pashchenko, A.V.; Romanov, S.S.; Shapoval, I.M. (Вопросы атомной науки и техники, 2014)
    The electronics flows dynamic in vircator premodulation diode has been studied. The problem on stationary states and disturbances in the first order approximation of interacting contrary flows-direct and reflected from ...
  • High-frequency generation during the electron flow deceleration and reflection by the electrostatic potential 
    Tarasov, M.I.; Pashchenko, A.V.; Sitnikov, D.A.; Romanov, S.S.; Shapoval, I.M. (Вопросы атомной науки и техники, 2013)
    In this work we present the results of experimental study of generation of the RF-oscillations in a classic flat triode configuration for both presence and absence of the reflected particles flow. The amplitude and frequency ...
  • High-frequency properties of the electron flow slowing down in a planar diode 
    Pashchenko, A.V.; Melezhik, O.G.; Romanov, S.S.; Sitnikov, D.A.; Tarasov, I.K.; Tarasov, M.I.; Shapoval, I.M.; Novikov, V.E; Yatsyshin, V.A. (Вопросы атомной науки и техники, 2011)
    The instability of the electron flow injected into a planar diode and slowed down in it under the action of the external electric field is investigated through the exact solution of the set of inhomogeneous hydrodynamic ...
  • Impact of microwave pulses of ultrashort duration on a personal computer 
    Gadetski, N.P.; Karelin, S.Yu.; Magda, I.I.; Shapoval, I.M.; Soshenko, V.A. (Вопросы атомной науки и техники, 2017)
    Procedure of the tests for electromagnetic compatibility and strength (EMSS) of a personal computer (PC) to microwave ultrashort duration pulse (USP) and analysis of the results are described. 3D simulation of the MW USP ...
  • Modification of the pierce instability of the electron flow in a diode with an external electromagnetic action 
    Melezhik, O.G.; Pashchenko, A.V.; Romanov, S.S.; Shapoval, I.M. (Вопросы атомной науки и техники, 2014)
    The stability of electron fiow passage through the diode with a neutralized space charge has been investigated on the basis of the first-order approximation for hydrodynamic and Maxwell equations. Classification of solutions ...
  • On oscillations in the premodulation diode of the vircator 
    Melezhik, O.G.; Pashchenko, A.V.; Romanov, S.S.; Shapoval, I.M. (Вопросы атомной науки и техники, 2015)
    It is shown, that oscillation generation in premodulation diode of vircator caused by decelerated electron flow and two-flow instabilities.
  • Relations between main QED and background processes at interaction of the photons with the target of the photon polarimeter 
    Burdeinyi, D.D.; Ganenko, V.B.; Peresun’ko, Y.P.; Shapoval, I.M.; Vashchenko, G.A. (Вопросы атомной науки и техники, 2007)
    The simulation of the processes which take place at the photon interaction with matter of the polarimeter target has been carried. The relations between main QED and background processes were studied. It was found that ...
  • Simplified transportation model of thermal neutrons through the matter 
    Buki, A.Yu.; Kalenik, S.A.; Shapoval, I.M. (Вопросы атомной науки и техники, 2011)
    The effective model providing simulation of thermal neutrons transportation through various matters was scrutinized. Calculation of neutron trajectory is carried out by Monte-Carlo method. The model was tested on the tasks ...
  • The impact of impulse electromagnetic fields on personal computer and components 
    Zagvozdkin, B.V.; Karelin, S.Yu.; Magda, I.I.; Mukhin, V.S.; Shapoval, I.M. (Вопросы атомной науки и техники, 2017)
    The features of the test stand for studying an impact of ultra-short impulse electromagnetic fields are described. The tests results of a personal computer and its components are presented and the conditions for functional ...