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首页> 外文期刊>Annals of nuclear energy >Cross section evaluation for a LWR pin lattices with thorium applications
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Cross section evaluation for a LWR pin lattices with thorium applications

机译:具有th应用的LWR引脚晶格的横截面评估

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This work describes a cross section analysis using a KRITZ experiment modeled with the MCNP code for different ENDLs. The first goal is to validate the processing cross section at work temperature using the KRITZ benchmark for all the evaluated nuclear data libraries available, ENDF-VII.1, JEFF-3.1, JEFF-3.2, TENDL-2014, TENDL-2015, JENDL-4.0, RUSFOND and CENDL-3 at DEN/UFMG. The second goal is to use the same experiment (geometry, parameters, etc) at KRITZ benchmark and use it for thorium application. The new fuel based on thorium were spiked with different fissile nuclides such as (233)u, (235)u, Pu-239 and Pu-241 at 4% each fuel to increase the initial fission chain until it is self-sustained. The purpose is to compare the cross sections from the different ENDLs and find the most suitable ones. The results show that in the case of any application, the difference between ENDF/B, JEFF, JENDL and RUSFOND libraries are in a reliable interval. (C) 2017 Elsevier Ltd. All rights reserved.
机译:这项工作描述了使用KRITZ实验进行横截面分析的方法,该实验以MCNP代码为不同的ENDL建模。第一个目标是使用KRITZ基准来验证所有可用的评估核数据库(ENDF-VII.1,JEFF-3.1,JEFF-3.2,TENDL-2014,TENDL-2015和JENDL-)在工作温度下的加工横截面。 DEN / UFMG的4.0,RUSFOND和CENDL-3。第二个目标是在KRITZ基准测试中使用相同的实验(几何形状,参数等)并将其用于th应用。将基于based的新燃料掺入不同的易裂变核素,例如(233)u,(235)u,Pu-239和Pu-241,每种燃料的含量为4%,以增加初始裂变链,直至其自我维持。目的是比较来自不同ENDL的横截面,并找到最合适的横截面。结果表明,在任何应用程序中,ENDF / B,JEFF,JENDL和RUSFOND库之间的差异都处于可靠的区间内。 (C)2017 Elsevier Ltd.保留所有权利。

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