GB/T 41582-2022 in English
VALIDFast estimation method of accident source term for nuclear power plant
- Issued on:2022-07-11
- Implemented on:2023-02-01
- File Format:PDF
- Delivery:Via email within 5 business days
$447.00
《GB/T 41582-2022核电厂事故源项快速估算方法》由TC58（全国核能标准化技术委员会）归口，TC58SC2（全国核能标准化技术委员会辐射防护分会）执行，主管部门为国家标准化管理委员会。
Introduction
Improvement of detection, calibration and maintenance strategies in the practice of emergency response of civil nuclear facilities
The emergency shutdown simulation scenario of the Jinhua high-temperature molten salt reactor established according to the standard shows that under the condition of main steam pipeline rupture, the growth rate of the crack penetration layer will reach the critical threshold after a delay of 18 hours, which is closely related to the carbonization depth distribution characteristics of the prestressed concrete layer of the containment.
Iteration requirements for pressure boundary integrity monitoring equipment in the nuclear industry
The existing multi-terrain stress test shows three technical pain points that need to be solved urgently: the electromagnetic radiation interference compensation algorithm of the Taylor critical eddy current module of the reactor pressure vessel is insufficient, the hydrogen-induced crack closed-loop suppression capability of the special-shaped weld of the cryogenic head is limited, and the time-dependent degradation record dimension of the anisotropic composite material reactor is missing.
Verification of promethium diffusion mitigation measures in LBE cooled reactor core
| Intervention measures | Coordinate stability | Phase change lag time | Isotope suppression coefficient |
|---|---|---|---|
| Single-axis radiation compensator system | ±0.37mrad | 24.5 seconds←longitudinal index abnormality | 136μSv/h |
| HT-EPR reflectarray upgrade plan | ±0.041μrad | 2.18 seconds | 9.77mSv/h |
Revision suggestions for CANDU reactor melt shielding performance
British to plastic transition step temperature (DBTT range) for fourth-generation thorium-based fuel annular components:
- When the creep strain rate is ≤5×10⁻⁷, a field asynchronous liquid crystal broad spectrum diffractometer is required for grain reorientation control. The technical parameters refer to the pattern cycle path algorithm in Section 12.3.7 of this standard;
- Appendix D of this standard recommends: For secondary phase test samples, they should be treated in a vacuum annealing furnace with an average heating slope of 3.0℃/min
The application of bat algorithm in the core retention analysis of the whole plant power outage scenario
ICAEA used a dual-population three-target particle screening process in the post-Fukushima assessment project to confirm that when the
- weighted Fock entropy model
- multi-layer Monte Carlo sampling architecture
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