首页> 外文会议>Symposium on Nuclear Data; 20031127-20031128; Jaeri; JP >Analysis of RMWR (Reduced-Moderation Water Reactor) Mockup Experiments in FCA using JENDL-3.2 and JENDL-3.3
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Analysis of RMWR (Reduced-Moderation Water Reactor) Mockup Experiments in FCA using JENDL-3.2 and JENDL-3.3

机译:使用JENDL-3.2和JENDL-3.3的FCA中的RMWR(减水反应堆)模型实验分析

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The critical experiments have been carried out at the FCA to estimate the accuracy of prediction of the core characteristics in the design study of RMWR. A part of the experiments was analyzed by two different conventional deterministic methods: the SRAC code system and a standard calculation code system for a fast reactor, and a probabilistic method, MVP. The C/E values were compared between the JENDL-3.2 and JENDL-3.3 libraries. The calculation overestimates the criticality. The C/E values of the central fission rate ratios become larger in the order, F49/F25, F37/F25, F28/F25. For C28/F25 the calculation agrees with the measured one within twice of the experimental error. For the moderator void effect the calculation underestimates the measurement. When the C/E values are compared between JENDL-3.2 and JENDL-3.3, there is no large C/E discrepancy between JENDL-3.2 and JENDL-3.3 except for the criticality. For the criticality JENDL-3.3 gives larger C/E value than JENDL-3.2.
机译:在FCA进行了关键实验,以估计RMWR设计研究中预测核心特征的准确性。通过两种不同的常规确定性方法对一部分实验进行了分析:用于快速反应堆的SRAC代码系统和标准计算代码系统,以及概率方法MVP。在JENDL-3.2和JENDL-3.3库之间比较了C / E值。该计算高估了关键程度。中心裂变率比的C / E值按F49 / F25,F37 / F25,F28 / F25的顺序变大。对于C28 / F25,计算结果与实验误差两倍之内的测量值一致。对于主持人无效效应,计算会低估测量值。当在JENDL-3.2和JENDL-3.3之间比较C / E值时,除了临界度之外,JENDL-3.2和JENDL-3.3之间没有大的C / E差异。对于临界,JENDL-3.3的C / E值大于JENDL-3.2。

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