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Results of Experiments under the Physical Start-Up Program of the IVG.1M Reactor

Author

Listed:
  • Radmila Sabitova

    (School of Nuclear Science and Engineering, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia
    Institute of Atomic Energy, National Nuclear Center, Kurchatov 071100, Kazakhstan)

  • Yuri Popov

    (School of Nuclear Science and Engineering, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia)

  • Ruslan Irkimbekov

    (School of Nuclear Science and Engineering, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia)

  • Irina Prozorova

    (School of Nuclear Science and Engineering, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia
    Institute of Atomic Energy, National Nuclear Center, Kurchatov 071100, Kazakhstan)

  • Ildar Derbyshev

    (School of Nuclear Science and Engineering, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia)

  • Erlan Nurzhanov

    (School of Nuclear Science and Engineering, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia)

  • Artur Surayev

    (School of Nuclear Science and Engineering, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia)

  • Vyacheslav Gnyrya

    (School of Nuclear Science and Engineering, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia)

  • Almas Azimkhanov

    (School of Nuclear Science and Engineering, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia)

Abstract

In 2022, the physical start-up stage of the IVG.1M research reactor was successfully completed, initiated by reducing the fuel enrichment of 235 U. This phase included the loading of nuclear fuel into the reactor core and conducting experiments to determine the neutron-physical characteristics of the reactor. Prior to the physical start-up, preliminary calculations were performed using the computational code MCNP6 and a full-scale model of the IVG.1M reactor with low-enriched uranium fuel (LEU). During the start-up series, the reactivity worth curves of the reactor control and protection system’s operating and compensating elements were determined. Additionally, experiments were performed to measure the reactivity effects of technological channel draining and to obtain activation reaction rates in the central experimental channel using nickel and gold activation indicators. The results of determining the neutron-physical characteristics of the IVG.1M reactor have confirmed the operability of the reactor core with LEU fuel.

Suggested Citation

  • Radmila Sabitova & Yuri Popov & Ruslan Irkimbekov & Irina Prozorova & Ildar Derbyshev & Erlan Nurzhanov & Artur Surayev & Vyacheslav Gnyrya & Almas Azimkhanov, 2023. "Results of Experiments under the Physical Start-Up Program of the IVG.1M Reactor," Energies, MDPI, vol. 16(17), pages 1-12, August.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:17:p:6263-:d:1227447
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    References listed on IDEAS

    as
    1. Min Jae Lee & Jong-Hyuck Won & Jiwon Choe & Jae-Yong Lim, 2022. "Investigation of the Effect of Rod Worth Uncertainty on the Reactivity Measurements of CEFR Start-Up Tests via McCARD Monte Carlo Calculations," Energies, MDPI, vol. 15(21), pages 1-17, November.
    2. Mikołaj Oettingen, 2022. "The Application of Radiochemical Measurements of PWR Spent Fuel for the Validation of Burnup Codes," Energies, MDPI, vol. 15(9), pages 1-15, April.
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