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Electron and Beta Dose Rates of UO2 Pellet and Fuel Rod

[+] Author Affiliations
Guoqing Zhang, Xuexin Wang, Jiangang Zhang, Dajie Zhuang

China Institute for Radiation Protection, Taiyuan, Shanxi, China

Chaoduan Li, Fan Gao

China Jianzhong Nuclear Fuel Co., Ltd., Yibin, Sichuan, China

Paper No. ICONE21-15219, pp. V001T04A008; 5 pages
doi:10.1115/ICONE21-15219
From:
  • 2013 21st International Conference on Nuclear Engineering
  • Volume 1: Plant Operations, Maintenance, Engineering, Modifications, Life Cycle and Balance of Plant; Nuclear Fuel and Materials; Radiation Protection and Nuclear Technology Applications
  • Chengdu, China, July 29–August 2, 2013
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 978-0-7918-5578-2
  • Copyright © 2013 by ASME

abstract

The isotopes of uranium and their daughter nuclides inside the UO2 pellet emit mono-energetic electrons and beta rays, which generate rather high dose rate near the UO2 pellet and could cause exposure to workers. In this work calculations of electron dose rates have been carried out with Monte Carlo codes, MCNPX and Geant4, for a UO2 pellet and a fuel rod. Comparisons between calculations and measurements have been carried out to verify the calculation results. The results could be used to estimate the dose produced by electrons and beta rays, which could be used to make optimization for radiation protection purpose.

Copyright © 2013 by ASME
Topics: Electrons , Fuel rods

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