Criticality Excursion Analysis

Yang Junyun; Xiao Gang; Ying Yangjun

doi:10.13832/j.jnpe.2016.02.0052

Volume 37 Issue 2

Feb. 2025

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Yang Junyun, Xiao Gang, Ying Yangjun. Criticality Excursion Analysis[J]. Nuclear Power Engineering, 2016, 37(2): 52-55. doi: 10.13832/j.jnpe.2016.02.0052

Citation:

Yang Junyun, Xiao Gang, Ying Yangjun. Criticality Excursion Analysis[J]. Nuclear Power Engineering, 2016, 37(2): 52-55. doi: 10.13832/j.jnpe.2016.02.0052

Yang Junyun, Xiao Gang, Ying Yangjun. Criticality Excursion Analysis[J]. Nuclear Power Engineering, 2016, 37(2): 52-55. doi: 10.13832/j.jnpe.2016.02.0052

Citation:

Yang Junyun, Xiao Gang, Ying Yangjun. Criticality Excursion Analysis[J]. Nuclear Power Engineering, 2016, 37(2): 52-55. doi: 10.13832/j.jnpe.2016.02.0052

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Criticality Excursion Analysis

doi: 10.13832/j.jnpe.2016.02.0052

Institute of Applied Physics and Computational Mathematics, Beijing, 100094, China

Received Date: 2015-05-26
Rev Recd Date: 2015-07-20

Available Online: 2025-02-15

Abstract

Abstract

Ramp Feed experiments performed on TRACY are simulated with the code Cri SAA which is used for the criticality excursion analysis. The transient characteristics of open criticality excursions are studied. The predictive results are shown. The statistics characteristics, including time and energy to first peak, power of first peak and the total energy, are obtained by simulations. The effects of the reactivity insertion rate and the uranium concentration on the criticality excursion are analyzed. Fuchs model are improved to be suitable for open criticality excursion in this paper. It is helpful to understand the open excursion.
- Criticality excursion,
- Criticality safety,
- Weak neutron source,
- Fissile solution