Fission blanket benchmark experiment on spherical assembly of uranium and PE with PE reflector

Calibrated miniature pulse fission chambers (MPFCs) can be used for absolute measurement of the fission reaction rate in neutronic experiments. Absolute measurements require the effective number of fissionable atoms (ENFAs) in the coating of the chambers. An elimination method was proposed to calibrate the MPFCs embodying highly enriched and depleted uranium, using 14.75 MeV fast neutrons from the D–T reaction. The ENFAs of 235U in enriched uranium MPFC and 238U in depleted uranium MPFC are 8.39 × 1018 and 9.55 × 1018, with the uncertainties of 5.27% and 4.76%, respectively.

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Fission blanket benchmark experiment on spherical assembly of uranium and PE with PE reflector

Cited by 3 publications

References 5 publications

Neutronic experiment and analyses of a hybrid tritium breeding blanket mockup for CFETR

Neutronic experiment and analyses of a hybrid tritium breeding blanket mockup for CFETR

Benchmark experiment on analytical mock-ups with graphite to simulate the fission blanket of hybrid reactor

Note: Calibration of majority isotopes for enriched and depleted uranium fission chambers by using the elimination method with fast neutrons

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