Computing neutron detector response to power reactor mechanical structure vibrations

被引：1

作者：

Dobrea, D ^{[1
]}

Dumitrache, I ^{[1
]}

Gugiu, D ^{[1
]}

Constantin, M ^{[1
]}

Aioanei, L ^{[1
]}

机构：

[1] Inst Nucl Res, Pitesti 0300, Romania

来源：

ANNALS OF NUCLEAR ENERGY | 2004年 / 31卷 / 08期

关键词：

D O I：

10.1016/j.anucene.2003.11.009

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：

Neutron detector response to power reactor mechanical structure vibrations is computed in order to obtain a quantitative reference for noise analysis. For a space-dependent approach in large cores, Cohn's method of reducing time-dependent neutron balance equations to statics equations was considered. In order to produce detector response matrices, depending on many vibrating sources' and frequencies, a dedicated 3-D code was developed. Simulations indicated that response matrices could be used to locate vibrating sources for low local to global noise ratios and to obtain their vibration amplitudes. (C) 2003 Elsevier Ltd. All rights reserved.

引用

页码：891 / 909

页数：19

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