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Study on the Difference between ORIGEN-S and ORIGEN_2

机译:ovelen-s和origen_2之间的差异研究

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The ORIGEN-S and ORIGEN_2 codes were described in this paper, which were used to calculate the source term in the reactor core. The differences between ORIGEN-S and ORIGEN_2 codes were compared and analyzed. The most significant difference was the methodology used to prepare and provide the neutron data for the codes, which directly affected the accuracy of calculation results of the ORIGEN_2 code under different values of the parameters. Finally, the radioactivity of the actinide and fission products was calculated by changing the fuel enrichment, burnup and specific power of PWR, which was used to make quantitative analysis of the difference of results calculated by ORIGEN-S and ORIGEN_2 and verify the degree of influence of various parameters on the results.
机译:本文描述了ORIGEN-S和ORIGEN_2代码,用于计算反应器核心中的源极限。比较和分析了ORIGEN-S和ORIGEN_2代码之间的差异。最重要的差异是用于准备和提供代码的中子数据的方法,这直接影响了来自参数的不同值下的ORIGEN_2代码的计算结果的准确性。最后,通过改变PWR的燃料富集,燃烧和特定功率来计算术曲线和裂变产物的放射性,该PWR用于对由ORIGEN-S和ORIGEN_2计算的结果的差异进行定量分析,并验证影响程度结果上的各种参数。

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