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Investigation on the Accident of Loss of Offsite Power of CARR

[+] Author Affiliations
Qing Lu

Xi’an Jiaotong University, Xi’an, Shaanxi; National Key Laboratory of Science and Technology on Reactor System Design Technology, Chengdu, Sichuan, China

Suizheng Qiu, Wenxi Tian, Guanghui Su

Xi’an Jiaotong University, Xi’an, Shaanxi, China

Paper No. ICONE18-29242, pp. 249-255; 7 pages
  • 18th International Conference on Nuclear Engineering
  • 18th International Conference on Nuclear Engineering: Volume 4, Parts A and B
  • Xi’an, China, May 17–21, 2010
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 978-0-7918-4932-3
  • Copyright © 2010 by ASME


A code has been developed with proper models for the thermal-hydraulic simulation of research reactors, and the accident of loss of offsite power of CARR (the China Advanced Research Reactor) has been analyzed. It is found that the transient can be departed into four parts with two peaks, and at last terminated to a natural circulation state. Furthermore, in order to investigate the effect of the height of the in core structures during this accident, several structure changes have been proposed and analyzed. It is demonstrated that the increase of the vertical height of the in core structures not always do help to decreasing the peak temperatures and increasing the natural circulation flow in the transient.

Copyright © 2010 by ASME
Topics: Accidents



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