Research on Verification Methodology of Applicability of Integral Effect Test Data Based on Dimensionless Criterion Numbers

Zhang Xueyan; Deng Chengcheng; Zhu Donglai; Chen Wei; Ding Shuhua; Yang Jun

doi:10.13832/j.jnpe.2022.01.0064

Volume 43 Issue 1

Feb. 2022

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Zhang Xueyan, Deng Chengcheng, Zhu Donglai, Chen Wei, Ding Shuhua, Yang Jun. Research on Verification Methodology of Applicability of Integral Effect Test Data Based on Dimensionless Criterion Numbers[J]. Nuclear Power Engineering, 2022, 43(1): 64-71. doi: 10.13832/j.jnpe.2022.01.0064

Citation:

Zhang Xueyan, Deng Chengcheng, Zhu Donglai, Chen Wei, Ding Shuhua, Yang Jun. Research on Verification Methodology of Applicability of Integral Effect Test Data Based on Dimensionless Criterion Numbers[J]. Nuclear Power Engineering, 2022, 43(1): 64-71. doi: 10.13832/j.jnpe.2022.01.0064

Citation:

Zhang Xueyan, Deng Chengcheng, Zhu Donglai, Chen Wei, Ding Shuhua, Yang Jun. Research on Verification Methodology of Applicability of Integral Effect Test Data Based on Dimensionless Criterion Numbers[J]. Nuclear Power Engineering, 2022, 43(1): 64-71. doi: 10.13832/j.jnpe.2022.01.0064

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Research on Verification Methodology of Applicability of Integral Effect Test Data Based on Dimensionless Criterion Numbers

doi: 10.13832/j.jnpe.2022.01.0064

1.
Department of Nuclear Engeneering and Technology, Science and Technology of Huazhong University , Wuhan, 430074, China
2.
Nuclear Power Institute of China, Chengdu, 610213, China
3.
Research Institute of Nuclear Power Operation, Wuhan, 430073, China

Received Date: 2020-12-04
Rev Recd Date: 2021-08-09
Publish Date: 2022-02-01

Abstract

Abstract

In the process of evaluating the safety of nuclear reactors and nuclear power plants, it is generally necessary to establish integral effect test or separate effect test bench based on the similar scaling laws to provide data support for safety performance verification and evaluation. As important parameters to measure the degree of similarity of scaling, dimensionless criterion numbers can characterize specific physical phenomena independent of the bench characteristics and the device size. Therefore, they can be used to verify the rationality of scaling design and evaluate the applicability of experimental data. The cross-bench application of dimensionless numbers can not only avoid excessive repetitive experiments, but also assist in the evaluation of a physical phenomenon that can not be accurately reproduced by a single bench. In order to explore the application methods and principles of dimensionless numbers in scaling analysis and applicability evaluation of experimental data, in this paper, aiming at SBLOCA of the traditional PWR, based on the numerical simulation results of RELAP5, the top-down scaling analysis method is used to calculate the dimensionless parameters and compare the data of the integral effect test bench LOFT and LOBI. The analysis results show that the dimensionless numbers related to important phenomena and parameters such as break mass outflow, core decay heat and primary circuit pressure are in good agreement with the bench; the dimensionless number ratios related to loop friction resistance and loop buoyancy have great distortion. The dimensionless analysis method used in this paper is expected to be used for mutual verification of experimental data on the same type of test bench, and to provide a reference for the development and verification of new reactor types.
- Dimensionless analysis,
- PWR,
- LOFT,
- LOBI,
- SBLOCA,
- RELAP5

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References(21)

References

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