Nuclear data adjustment based on the interpretation of post-irradiation experiments with the DARWIN2.3 package

被引:4
|
作者
Rizzo, Axel [1 ]
Vaglio-Gaudard, Claire [2 ]
Noguere, Gilles [1 ]
Martin, Julie-Fiona [3 ]
Vallet, Vanessa [1 ]
Eschbach, Romain [1 ]
机构
[1] CEA, DEN, DER, SPRC, F-13108 St Paul Les Durance, France
[2] CEA, DEN, DER, SESI, F-13108 St Paul Les Durance, France
[3] AREVA NC, BU Recyclage, Paris, France
来源
关键词
D O I
10.1051/epjn/2018033
中图分类号
TL [原子能技术]; O571 [原子核物理学];
学科分类号
0827 ; 082701 ;
摘要
DARWIN2.3 is the French reference package dedicated to fuel cycle applications, computing fuel inventory as well as decay heat, neutron emissions, alpha, beta and gamma spectra. The DARWIN2.3 package fuel inventory calculation was experimentally validated with Post-Irradiation Experiments (PIEs), mainly consisting in irradiated fuel pellets analysis. This paper presents a method to assimilate these integral trends for improving nuclear data. In this study, the method is applied to Cs-137/U-238 concentration ratio. Results suggest an increase of the JEFF-3.1.1 U-235 cumulated thermal fission yield in Cs-137 by (+ 3.8 +/- 2.1)%, from 6.221E-02 to 6.460E-02 +/- 2.1%.
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页数:7
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