Перегляд за автором "Nikiforov, V.I."

Сортувати за: Порядок: Результатів:

  • 99Mo and 67Cu isotope yields under production conditions of NSC KIPT electron accelerator KUT-30 
    Aizatsky, N.I.; Diky, N.P.; Dovbnya, A.N.; Ehst, D.; Lyashko, Yu.V.; Nikiforov, V.I.; Tenishev, A.Eh.; Torgovkin, A.V.; Uvarov, V.L.; Shevchenko, V.A.; Shramenko, B.I. (2010)
    Computer simulation has been used to determine the 99Mo and 67Cu isotope yields, as well as the radiation power absorbed in technological natural Mo- and Zn-based targets of different mass and geometry, and also, the power ...
  • A method for analysis and optimization of electron accelerator exit devices under bremsstrahlung generation mode 
    Nikiforov, V.I.; Uvarov, V.L. (Вопросы атомной науки и техники, 2012)
    The method of the analysis of a mixed е,X-radiation field along a path of the output target devices of the electron accelerator is proposed. The concept of stopping length of a path and representation of a real path as ...
  • Analysis and optimization of a mode of industrial product processing at an electron accelerator 
    Nikiforov, V.I.; Pomatsalyuk, R.I.; Rogov, Yu.V.; Tenishev, A.Eh.; Uvarov, V.L.; Zakharchenko, A.A. (Вопросы атомной науки и техники, 2015)
    By means of computer simulation, the factors determinating non-uniformity of the volume distribution of the absorbed dose at product processing by scanned electron beam, namely, the energy spectrum and scanning mode, product ...
  • Analytical method for estimation isotope yield under photonuclear production 
    Nikiforov, V.I.; Uvarov, V.L. (2010)
    The heuristic model for description space-energy characteristics of the high-energy bremsstrahlung has been developed. On its basis the method for analytical estimation photonuclear yield of isotopes in wide range of atomic ...
  • Application of PENELOPE system to support the radiation technologies based on LU-10 linac 
    Karasyov, S.P.; Nikiforov, V.I.; Tenishev, A.Eh.; Uvarov, V.L. (Вопросы атомной науки и техники, 2004)
    A new code based on the PENELOPE system has been worked out for simulation and optimization of product processing modes on LU-10 technological accelerator (8...18 MeV, 12 kW) with scanned electron beam. The results of ...
  • Calibration of CVD-diamond based dosimeter in high-power electron and X-ray radiation fields 
    Kutny, V.E.; Nikiforov, V.I.; Opalev, O.A.; Rogov, Yu.V.; Rybka, A.V.; Shevchenko, V.A.; Shlyakhov, I.N.; Strelnitsky, V.E.; Tenishev, A.Eh.; Uvarov, V.L. (Вопросы атомной науки и техники, 2014)
    Results of a study of dosimetry characteristics of a prototype of the detector based on a polycrystalline diamond film (CVD-diamond) produced in NSC KIPT are summarized. The techniques of the detector calibration against ...
  • Development and validation of software for simulation of product processing regimes at an electron accelerator 
    Nikiforov, V.I.; Pelichatyi, N.M.; Pomatsalyuk, R.I.; Rogov, Yu.V.; Shevchenko, V.A.; Tenishev, A.Eh.; Uvarov, V.L. (Вопросы атомной науки и техники, 2013)
    On the basis of the PENELOPE-2008 transport code, the three fundamental SW complexes for the modelling of processes in objects of various geometry and materials exposed to the scanned electron beam have been developed. For ...
  • Distributed converter for high-brightneess bremsstrahlung generation 
    Biller, E.Z.; Nikiforov, V.I.; Tenishev, A.Eh.; Torgovkin, A.V.; Uvarov, V.L.; Shevchenko, V.A.; Shlyakhov, I.N.; Shramenko, B.I.; Zhiglo, V.F. (2010)
    The novel type of the converter to transform a high-density electron beam into bremsstrahlung has been developed and investigated. To increase the thermal stability of the converter by means of a growth of the heat-exchange ...
  • Estimation of medical radionuclide yields in photonuclear production 
    Dikiy, N.P.; Dovbnya, A.N.; Nikiforov, V.I.; Uvarov, V.L. (Вопросы атомной науки и техники, 2006)
    The present paper reports the results from computer simulation of the processes of radionuclide production, namely, Sc-47, Co-57, Cu-67, Mo-99, Pd-103, In-111, W-181 and Ir-192. Consideration was given to a simplified ...
  • Excitation of isomeric low-lying level of nucleus ¹⁸¹Ta by relativistic electrons 
    Dikiy, N.P.; Dovbnya, A.N.; Lyashko, Yu.V.; Nikiforov, V.I.; Uvarov, V.L.; Fedorets, I.D. (Вопросы атомной науки и техники, 2013)
    Influence on efficiency of exciting of the E1-level ¹⁸¹Ta with energy 6.24 keV of neutron-capture reaction and photonuclear processes by means of the processes caused by passage of powerful electron beam through tantalum ...
  • Methods of bremsstrahlung monitoring for photonuclear technologies 
    Karasyov, S.P.; Nikiforov, V.I.; Uvarov, V.L.; Shevchenko, V.A.; Shlyakhov, I.N. (Вопросы атомной науки и техники, 2006)
    The paper describes the methods and devices proposed for measuring the main parameters of high-power highenergy bremsstrahlung sources. It has been suggested that space-energy characteristics of radiation should be ...
  • On a possibility of nondisturbing monitoring of electron-radiation absorbed dose in radiation-technological processes 
    Karasyov, S.P.; Nikiforov, V.I.; Pomatsalyuk, R.I.; Tenishev, A.Eh.; Uvarov, V.L.; Shevchenko, V.A.; Shlyakhov, I.N.; Malets, E.B. (Вопросы атомной науки и техники, 2006)
    Great deals of present-day radiation technologies that use electron accelerators involve the procedure of transporting the products under treatment across the irradiation zone normally to the beam scanning plane. The main ...
  • Optimization of a Compton direct-charge detector for monitoring high-energy bremsstrahlung radiation 
    Nikiforov, V.I.; Shlyakhov, I.N.; Shevchenko, V.A.; Tenishev, A.Eh.; Uvarov, V.L. (Вопросы атомной науки и техники, 2019)
    The conditions of application of a Compton direct-charge detector (DCD) for monitoring of intensity of the highenergy bremsstrahlung (X-ray) radiation are studied. A method is described for calculation of characteristics ...
  • Real-time system for processing regime diagnostic on accelerator 
    Yeran, L.V.; Karasyov, S.P.; Nikiforov, V.I.; Pomatsalyuk, R.I.; Tenishev, A.Eh.; Uvarov, V.L.; Shevchenko, V.A.; Shlyakhov, I.N. (Вопросы атомной науки и техники, 2004)
    A continuous mode of product transportation into the radiation zone of the electron accelerator with a scanned beam is attained by means of a remote loading of the conveyor. To keep an assigned distribution of the ...
  • The control system for radiation sterilization of health-care products at the accelerator LU-10 
    Boriskin, V.N.; Dovbnya, A.N.; Karasyov, S. P.; Nikiforov, V.I.; Pomatsalyuk, R.I.; Tenishev, A.Eh.; Uvarov, V.L.; Shevchenko, V.A.; Shlyakhov, I.N. (Вопросы атомной науки и техники, 2006)
    The regulatory documents for the technological process of sterilization (DSTU ISO 11 137:2003 and others) set requirements on monitoring, maintaining and archiving the basic parameters of the process. To meet the ...
  • The method for analysis and optimization of the e,X-beam path of electron linac-based radiation installations 
    Dovbnya, A.N.; Dovbnya, N.A.; Nikiforov, V.I.; Uvarov, V.L. (Вопросы атомной науки и техники, 2006)
    A method is proposed for numerical analysis of radiation characteristics of output devices of the electron linac. The method enables an optimum arrangement of the objects irradiated in the field of electron radiation ...