方法对比
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| 临界安全分析× | 中子输运计算× | |
|---|---|---|
| 领域 | 核物理学 | 核物理学 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1938 | 1942 |
| 提出者≠ | Otto Hahn, Fritz Strassmann | Enrico Fermi, Leslie Szilard |
| 类型≠ | safety assessment methodology | computational simulation pipeline |
| 开创性文献≠ | American National Standards Institute (2019). Nuclear Criticality Safety in Operations with Fissionable Material Outside Reactors. ANSI/ANS-8.1-19.40. link ↗ | Duderstadt, J. J., & Hamilton, L. J. (1976). Nuclear Reactor Analysis. John Wiley & Sons. link ↗ |
| 别名 | nuclear safety assessment, chain reaction analysis, fissile material control | neutron diffusion, neutron migration, transport equation solution |
| 相关 | 5 | 5 |
| 摘要≠ | Criticality safety analysis is a systematic evaluation of fissile material systems to ensure nuclear chain reactions remain controlled, originating from Hahn and Strassmann's 1938 discovery of nuclear fission. It determines safe limits on fissile mass, concentration, geometry, and spacing using neutron transport calculations and experimental validation to prevent uncontrolled nuclear excursions in storage, processing, and transportation. | Neutron transport calculation is a computational method for determining the distribution and behavior of neutrons in a nuclear medium, developed during the Manhattan Project in the 1940s. It solves the Boltzmann transport equation to predict neutron flux, energy spectra, and reaction rates essential for reactor design and shielding analysis. |
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