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Severe Accident Steady-State Modeling of Advanced Nuclear Power Plant Based on ASTEC Code

[+] Author Affiliations
Wei Song, Jiaxu Zuo, Yan Chen, Chaojun Li, Peng Zheng

Nuclear and Radiation Safety Center, Beijing, China

Paper No. ICONE25-67842, pp. V006T08A117; 12 pages
  • 2017 25th International Conference on Nuclear Engineering
  • Volume 6: Thermal-Hydraulics
  • Shanghai, China, July 2–6, 2017
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 978-0-7918-5784-7
  • Copyright © 2017 by ASME


Severe accident is an attractive topic today for the nuclear power plant (NPP) safety. In the nuclear safety regulatory work, it is planned to build a full scale severe accident model for the advanced nuclear power plant of China to study the new designs of severe accident prevention and mitigation systems and strategies, and to further deploy the application on the level 2 PSA and severe accident management guidance. This paper firstly introduces the modeling tool, ASTEC, and then presents the progress of modeling work, which is mainly on the steady state modeling and regulation including reactor block, primary and secondary cooling systems, regulation systems etc. Last but not least, the work plan for the future is given.

Copyright © 2017 by ASME



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