Axial power distribution of reactor from fitting of in core detector readings——A method by spline

Jiaju Zhang

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Axial power distribution of reactor from fitting of in core detector readings——A method by spline

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- Axial power distribution of reactor from fitting of in core detector readings——A method by spline
- Nuclear Techniques Vol. 05, Issue 2, (1982)
- 作者机构：
  
  728工程设计院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：28 June 1980，
  
  Published：1982-04
- 稿件说明：
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Jiaju Zhang. Axial power distribution of reactor from fitting of in core detector readings——A method by spline[J]. Nuclear techniques, 1982, 05(2): 26-28.
DOI：

Jiaju Zhang. Axial power distribution of reactor from fitting of in core detector readings——A method by spline[J]. Nuclear techniques, 1982, 05(2): 26-28. DOI：

摘要

在大型反应堆运行过程中，随时监测堆内功率分布是十分重要的。为了做到这一点，一般是在堆内一定位置上安放若干探测器，根据探测器的读数，再进行一些数学处理来确定堆内的功率分布。这种数学处理应当满足三个条件。第一，用这种方法拟合所得的功率分布图象应接近堆内功率分布的真实图象，而不只是某个特定值（比如功率不均匀系数或功率轴向偏移）在容许的误差范围内。第二，计算功率分布的方法要比较简单，以便于在在线计算机上迅速得出结果。第三，方法的数学论证应尽可能完整。

Abstract

For determining axial power distribution in a reactor from in-core detector readings spline fitting method was described. It was assumed that the axial power distribution may be represented by quadratic spline. The results showed that this method was better than Fourier fitting.

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references

M. M. Levine and D. J. Diamond , Nucl. Sci. Eng. , 47 , 415 （ 1972 ）.

W. B. Terney , Transactions on ANS , 22 , 682 （ 1975 ）.

张家驹，用样条函数解两类插值问题，计算数学（待发表）．

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