| 数值拟合方法评价燃料芯块制造参数对燃料棒性能的影响 |
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| 引用本文： | 王 坤,张 坤,邢 硕,何 梁,殷明阳.数值拟合方法评价燃料芯块制造参数对燃料棒性能的影响[J].核动力工程,2021,42(3):80-85. |
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| 作者姓名： | 王 坤 张 坤 邢 硕 何 梁 殷明阳 |
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| 摘 要： | 从理论计算模型出发，分析出与燃料棒性能相关的芯块制造参数，并采用自主研发的FUPAC燃料棒性能分析软件，逐一针对这些参数进行敏感性分析，筛选影响燃料棒性能的关键参数。基于大量敏感性分析计算数据，采用数值拟合的方法获得了关键参数与燃料棒性能间的变化关系函数，实现了对芯块制造参数所致燃料棒性能影响的快速、准确评价。对数值拟合方法与专业软件分析的结果进行对比验证，结果表明:数值拟合方法可以高效地分析燃料芯块制造参数对燃料棒性能的影响。
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| 关 键 词： | 燃料芯块 制造参数 数值拟合 燃料棒性能 FUPAC |
Evaluation of Effect of Fuel Pellet Manufacturing Parameters on Fuel Rod Performance by Numerical Fitting Method |
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| Abstract: | Based on the theoretical calculation model, the manufacturing parameters related to the performance of fuel rods are obtained. With the help of FUPAC fuel rod performance analysis software, the sensitivity analysis of the parameters is carried out one by one, and the key parameters affecting the performance of fuel rods are selected. Based on a large number of calculation data of sensitivity analysis, the relationship function between the key parameters and the fuel rod performance is obtained by numerical fitting method, and the rapid and accurate evaluation of the effect of the manufacturing parameters of the pellet on the fuel rod performance is realized. The conclusion is that the numerical fitting method can effectively analyze the effect of fuel pellet manufacturing parameters on fuel rod performance through comparing the results of numerical fitting method and professional software analysis. |
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