DIAGNOSTIC OF THE VVER REACTORS INTERNALS VIBRATIONS

被引：0
|
作者：
Pecinka, L. [1 ]
Svrcek, M. [1 ]
机构：
[1] UJV Rez As, Hlavni 130, Husinec Rez 25068, Czech Republic
来源：
ENGINEERING MECHANICS 2016 | 2016年
关键词：
VVER type reactors; Accelerometers; Pressure pulsation sensors; Ex core ionization chambers; Frequency spectra;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Integrity of the VVER reactors internals is the important requirement of the NPPs long term operation. Two possible methods how to meet these requirements are: non destructive evaluation and diagnostic of the mechanical vibrations. The second one method is in the next analyzed. As the sensors are obviously used accelerometers, pressure pulsation sensors, ex-core ionization chambers and self powered neutron detectors. The significant changes of the frequency spectra are supposed to be symptom of the integrity changes..
引用
收藏
页码：446 / 449
页数：4
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