APPLICABILITY OF EXISTING CRITICAL EXPERIMENTS WITH BERYLLIUM REFLECTORS TO CODE VALIDATION FOR THE NASA FISSION SURFACE POWER REACTOR

机译：现有的带有铍反射器的关键实验在美国国家航空航天局裂变表面功率反应堆代码验证中的适用性

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The National Aeronautics and Space Administration is pursuing the design of a fission power system for surface applications. The applicability of existing criticality safety benchmarks with beryllium reflectors to neutronics code validation was investigated. The similarity of the benchmarks to the current reactor design was assessed using the TSUNAMI-3D sequence in the SCALE5.1 code package. Based on the integral similarity parameters obtained from the analysis, several of the metal-fueled beryllium-reflected benchmarks, all with relatively simple geometry, were found to be remarkably good analogues for the much more complicated UOrfueled NaK-cooled reactor design.

机译：美国国家航空航天局正在寻求一种用于地面应用的裂变动力系统的设计。研究了具有铍反射器的现有临界安全性基准对中子学代码验证的适用性。使用SCALE5.1代码包中的TSUNAMI-3D序列评估了基准与当前反应堆设计的相似性。根据从分析中获得的整体相似性参数，发现一些金属燃料反射的铍基准物，都具有相对简单的几何形状，对于更复杂的由UOr燃料冷却的NaK冷却的反应堆设计，它们是非常好的模拟物。

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《3rd topical meeting on nuclear and emerging technologies for space 2009》|2009年|122-128|共7页
会议地点 Atlanta GA(US);Atlanta GA(US)
作者
G A. Harms; A. D. Barber;
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Sandia National Laboratories P. O. Box 5800 Albuquerque, NM 87185-1146;

rnSandia National Laboratories P. O. Box 5800 Albuquerque, NM 87185-1146;

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正文语种 eng
中图分类核能工业;
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APPLICABILITY OF EXISTING CRITICAL EXPERIMENTS WITH BERYLLIUM REFLECTORS TO CODE VALIDATION FOR THE NASA FISSION SURFACE POWER REACTOR

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