Post fission time evolution calculation by FIFRELIN coupled with PHITS and DCHAIN
Post fission time evolution calculation by FIFRELIN coupled with PHITS and DCHAIN
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FIFRELIN 结合 PHITS 和 DCHAIN 进行裂变后时间演化计算
DOI:
10.1140/epja/s10050-022-00800-z
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发表时间:
2022
期刊:
影响因子:
--
通讯作者:
Serot Olivier
中科院分区:
文献类型:
--
作者:
Ogawa Tatsuhiko;Litaize Olivier;Mancusi Davide;Chebboubi Abdelhazize;Serot Olivier
Fission reaction Monte–Carlo code FIFRELIN is interfaced to a general-purpose radiation transport simulation code PHITS to calculate the time evolution of observables after fission reactions. By feeding the isotopic fission yield data of FIFRELIN to DCHAIN-PHITS, the burn-up calculation functionality of PHITS based on the activation and decay data libraries and the Bateman equation, the time evolution of decay heat from 0.2 to 10seconds after theU(n,fission) pulse was calculated and compared with literature data. The comparison illustrated that the latest FIFRELIN can accurately predict the time evolution of decay heat, whereas the previous version of FIFRELIN overestimated the decay heat in the first 10 sec. In addition to burn-up calculations, transport simulations of both prompt and delayed radiation can be performed by passing their spectra calculated by FIFRELIN to particle transport functionality of PHITS. This combination helps design detectors, experiments, and shielding based on the accurate fission physics of FIFRELIN. Being interfaced to PHITS, FIFRELIN is a powerful tool for studying the observables of fission reactions.
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