Research on Improvement of DRM Methodology Based on Nonparametric Statistical Method

Chen Wei

doi:10.13832/j.jnpe.2015.S2.0112

Volume 36 Issue S2

Feb. 2025

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Chen Wei. Research on Improvement of DRM Methodology Based on Nonparametric Statistical Method[J]. Nuclear Power Engineering, 2015, 36(S2): 112-115. doi: 10.13832/j.jnpe.2015.S2.0112

Citation:

Chen Wei. Research on Improvement of DRM Methodology Based on Nonparametric Statistical Method[J]. Nuclear Power Engineering, 2015, 36(S2): 112-115. doi: 10.13832/j.jnpe.2015.S2.0112

Chen Wei. Research on Improvement of DRM Methodology Based on Nonparametric Statistical Method[J]. Nuclear Power Engineering, 2015, 36(S2): 112-115. doi: 10.13832/j.jnpe.2015.S2.0112

Citation:

Chen Wei. Research on Improvement of DRM Methodology Based on Nonparametric Statistical Method[J]. Nuclear Power Engineering, 2015, 36(S2): 112-115. doi: 10.13832/j.jnpe.2015.S2.0112

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Research on Improvement of DRM Methodology Based on Nonparametric Statistical Method

doi: 10.13832/j.jnpe.2015.S2.0112

Chen Wei

Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China, Chengdu, 610041, China

Received Date: 2015-10-10
Rev Recd Date: 2015-10-20

Available Online: 2025-02-15

Abstract

Abstract

The DRM methodology uses the response surface method for uncertainty analysis, and introduces a penalization mode that covers the overall calculation uncertainty, which enables estimation of PCT with a confidence level greater than 95%. In this paper, taking the PCT as the target parameter, the nonparametric statistical method was used instead of the response surface method to perform uncertainty analysis in LB-LOCA accident. It was found that, the PCT of 95%/95% level based on nonparametric statistical method was enveloped by that based on DRM methodology.
- LB-LOCA,
- Nonparametric statistical method,
- Uncertainty analysis,
- DRM