INTERPRETATION OF CONTROL ROD INTERACTION EFFECT ON THE BASIS OF MODAL APPROACH

被引：6

作者：

HASHIMOTO, K ^{[1
]}

TATEMATSU, A ^{[1
]}

NISHINA, K ^{[1
]}

SHIBATA, T ^{[1
]}

机构：

[1] NAGOYA UNIV,DEPT NUCL ENGN,CHIKUSA KU,NAGOYA 46401,JAPAN

来源：

ANNALS OF NUCLEAR ENERGY | 1992年 / 19卷 / 04期

关键词：

D O I：

10.1016/0306-4549(92)90062-G

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

A theoretical expression of reactivity interaction between control rods is developed on the basis of the explicit higher-order perturbation method. The expression shows that the magnitude of the interaction is inversely proportional to the lambda-mode eigenvalue separation and dependence on the rod patterns is governed by the higher-harmonic eigenfunctions and the adjoint ones. Application of the formula is illustrated by numerical calculations carried out for a 1-D model of a large fast reactor core. The results indicate that the first harmonics dominantly contribute to the interaction, consequently the first-harmonic eigenvalue separation can be employed as a quantitative indication of interaction effect.

引用

页码：237 / 241

页数：5

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