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8 486 (0,151s) •

Result

Comparison of various hours living fission products for absolute power density determination in VVER-1000 mock up in LR-0 reactor

method. The gamma-ray spectroscopy of fission products induced within reactorMeasuring power level of zero power reactor is a quite difficult task. Due on the proportionality between fission product buildup and re...

JF - Jaderná energetika

  • 2015
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  • Jx
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  • Link
Result

Nuclear fuel burn-up determination in low power reactor

fission products generated in the fuel. From these activities, the number of 235U fissions necessary for generation of these fission products in the examined parts of the fuelcan be determined and using the known dependenc...

JF - Jaderná energetika

  • 2008
    • •
  • D
Result

Production of Mo-99 in LVR-15 reactor in 2014

The report summarizes the production of Mo-99 in the LVR-15 reactor during the year 2014. The Mo-99 radioisotope is generated by fission of highly enriched uranium, which is irradiated in the central part of the reactor. An...

JF - Jaderná energetika

  • 2015
    • •
  • Vsouhrn
Result

80 years since the first controlled fission chain reaction

A brief summary of the history of atomic fission. From model atom to nuclear reactors.

Nuclear related engineering; (nuclear physics to be 1.3);

  • 2022
    • •
  • Jost
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  • Link
Result

Study od Nuclear Fuel Burn-up in a Low Power Reactor

and experimentally determine the burn-up of the fuel in a low power reactor by gamma spectrometry selected fission products generated in the fuel. From these activities, the number of 235U fissions necessary for generation...

JF - Jaderná energetika

  • 2008
    • •
  • D
Result

The application and comparison of 97Zr and 92Sr in the absolute determination of the contribution of power density and cladding activation in a VVER-1000 Mock-Up on the LR-0 Research Reactor

97Zr is a relatively high-yield fission product that can be used for zero reactor power determination. The technique is not widely used because in the case of reactors that use zirconium metal in the fuel cladding, it is no...

JF - Jaderná energetika

  • 2014
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  • Jx
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  • Link
Result

Complex neutronic analyses of reactor core for LVR-15 reactor operation design

parameters. The evaluation of neutron flux, fission density and heat power density, burn-up,and concentration of specific fission products and actinides for LVR-15 reactor operation....

BG - Jaderná, atomová a molekulová fyzika, urychlovače

  • 2010
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  • NmetC
Result

Preliminary analysis of the precious gas source term

Determination of the amount of gaseous fission products which may be present reactor demonstrator ALLEGRO requires as one of the steps calculation of gaseous fission products release from the fuel matrix. For this purpose, ...

Nuclear related engineering; (nuclear physics to be 1.3);

  • 2014
    • •
  • O
Result

Absolute determination of power density in the VVER-1000 mock-up on the LR-0 research reactor

The work presents a detailed comparison of calculated and experimentally determined net peak areas of selected fission products gamma lines. The fission products were induced during a 2.5 h irradiation on the power level of 9.5 W in...

JF - Jaderná energetika

  • 2013
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  • Jx
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  • Link
Result

Measurement of the High Energy Gamma Spectrum Up to 13 MeV in the Special Core of the LR-0 Reactor

reactions on fuel, water and structural reactor materials and continuous prompt fissionThe reactor gamma spectrum is formed by superposition of various emission by fission gammas. It means, that above 10 MeV the ...

Nuclear related engineering; (nuclear physics to be 1.3);

  • 2024
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  • D
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  • Link
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