Comparative Study on Probabilistic and Deterministic Methods for Stress Assessment of Reflector Graphite Bricks in HTR

ZHANG Zhen-sheng; SUN Li-bin; WANG Hai-tao

Volume 32 Issue S1

Mar. 2025

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Article Navigation > Nuclear Power Engineering > 2011 > 32(S1): 57-60

ZHANG Zhen-sheng, SUN Li-bin, WANG Hai-tao. Comparative Study on Probabilistic and Deterministic Methods for Stress Assessment of Reflector Graphite Bricks in HTR[J]. Nuclear Power Engineering, 2011, 32(S1): 57-60.

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ZHANG Zhen-sheng, SUN Li-bin, WANG Hai-tao. Comparative Study on Probabilistic and Deterministic Methods for Stress Assessment of Reflector Graphite Bricks in HTR[J]. Nuclear Power Engineering, 2011, 32(S1): 57-60.

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Comparative Study on Probabilistic and Deterministic Methods for Stress Assessment of Reflector Graphite Bricks in HTR

Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, China

Received Date: 2011-02-28
Rev Recd Date: 2011-04-11

Available Online: 2025-03-08

Abstract

Abstract

Stress assessment of graphite components in high-temperature reactors should be carried out in order to estimate their lifetime.The assessment is affected greatly by dispersion of graphite strength,which can be described by Weibull distribution.The relationship was studied between failure probability of probabilistic method and stress limit of deterministic method,while shape parameter m of 2-parameter Weibull distribution is set as 5,10 and 15 respectively.
- High-temperature gas-cooled reactor,
- Graphite components,
- Probabilistic method,
- Deterministic method,
- Stress assessment

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