Wuhan University Journal of Natural Sciences

, Volume 24, Issue 1, pp 64–70 | Cite as

Estimation of the Dose Rate of Spent Fuel-Related Components of Lingao Nuclear Power Plant Using ORIGEN2 and MCNP5

  • Mingliang XieEmail author
  • Fei Xie
  • Fuchang Shan
  • Zhengquan Xie
  • Mingrui Li
  • Hao Shi
Engineering Technology


The components from spent fuel are discharged from the core and then stored in the framework of the spent fuel pool for cooling. However, it is of great significance to save the storage space of the spent fuel pool by shrinkage and shearing work to increase the spare fuel lattice number. In order to solve the problem of shrinkage and shearing work of spent fuel involving the problem of radioactive safety, the radioactive source item is calculated by ORIGEN2 program base on Unit 1 II of Lingao Nuclear Power Plant (NPP), and the radiation dose rate of the related component shrinkage operation scene is simulated by the MCNP5 program. In addition, the effectiveness of shielding measures is discussed, and the maximum dose rate is within 0.35 μSv / h at the distance of 2.5 m from component center, and the maximum dose rate is almost 0 at the distance of 3.2 m from the component center. The intensity of the radiation dose produced by the related components is very low and can be neglected, which belong to the green area of NPP. The program calculation system from source term calculation to shielding calculation is established, and an engineering example is referenced, and its application and analysis are carried out. It provides a basis for radioactive safety analysis and evaluation for the shrinkage operation of spent fuel and makes the shrinkage technology of fuel-related components safer and more reliable.

Key words

shrinkage Monte Carlo MCNP5 shielding calculation 

CLC number

TL 77 


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Copyright information

© Wuhan University and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Mingliang Xie
    • 1
    Email author
  • Fei Xie
    • 1
  • Fuchang Shan
    • 1
  • Zhengquan Xie
    • 1
  • Mingrui Li
    • 2
  • Hao Shi
    • 2
  1. 1.China Nuclear Power Operation Technology Corporation, LTDHubei China
  2. 2.Department of Nuclear Energy Science and EngineeringNaval University of EngineeringHubeiChina

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