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STUDY ON THE FALLBACK TIME ANALYSIS METHOD FOR LOSS OF ULTIMATE HEAT SINK UNDER NORMAL POWER OPERATION OF NUCLEAR POWER UNIT

  • Xi'an Jiaotong University
  • Ltd.
  • South China University of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

For the beyond design basis accident, loss of ultimate heat sink under normal power operation of CPR1000 nuclear power unit, an analytical model is proposed to evaluate the process during which the component cooling system is cooled by the Refueling Water Storage Tank, which is very important for the accident treatment. The results of the analytical model agree well with that provided by EDF. Based on the according strategies of State-oriented Procedure, a fallback time analysis method is carried out, the result is in accordance with the simulation time on the full-scope simulator. These indicate that the analytical model for the cooling process and the fallback time analysis method are correct.

Original languageEnglish
Title of host publicationMitigation Strategies for Beyond Design Basis Events
PublisherAmerican Society of Mechanical Engineers (ASME)
ISBN (Print)9784888982566
DOIs
StatePublished - 2022
Event2022 29th International Conference on Nuclear Engineering, ICONE 2022 - Virtual, Online
Duration: 8 Aug 202212 Aug 2022

Publication series

NameInternational Conference on Nuclear Engineering, Proceedings, ICONE
Volume11

Conference

Conference2022 29th International Conference on Nuclear Engineering, ICONE 2022
CityVirtual, Online
Period8/08/2212/08/22

Keywords

  • Refueling Water Storage Tank
  • component cooling
  • fallback time
  • ultimate heat sink

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