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Study on Seismic Fragility of Air Heat Exchanger for CEFR

[+] Author Affiliations
Zhiwei Fu, Chunming Zhang, Jiaxu Zuo, Yan Chen, Wei Song, Zhe Wang

Nuclear and Radiation Safety Center of MEP, Beijing, China

Donghui Zhang, Tianyi Zhang

China Institute of Atomic Energy, Beijing, China

Paper No. ICONE21-16138, pp. V002T05A041; 5 pages
doi:10.1115/ICONE21-16138
From:
  • 2013 21st International Conference on Nuclear Engineering
  • Volume 2: Plant Systems, Construction, Structures and Components; Next Generation Reactors and Advanced Reactors
  • Chengdu, China, July 29–August 2, 2013
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 978-0-7918-5579-9
  • Copyright © 2013 by ASME

abstract

Seismic Fragility Analysis is studied, then the basic fragility analysis variables and their quantification methods which are used to analyze and calculate the seismic fragility of the air heat exchanger of passive accident heat removal system for China Experiment Fast Rector (CEFR) are introduced. Next, the median response spectrum in NUREG0098 is used to calculate median response factors of both structure and equipment, and finite element analysis is used to determine the capacity factor for the equipment. Finally, the results show that the median seismic capacity of the air heat exchanger is 3.53g which has the inherent randomness about the median and the uncertainty in the median value, respectively, 0.36 and 0.47, and the high confidence low probabilistic failure (HCLPF) capacity is 0.9g, so the air heat exchanger has a better seismic capacity.

Copyright © 2013 by ASME
Topics: Heat exchangers

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