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反应堆中子通量测量系统指套管微振磨损长度的测量

李庆顺, 王小刚, 尹基林, 陈小亮

李庆顺, 王小刚, 尹基林, 陈小亮. 反应堆中子通量测量系统指套管微振磨损长度的测量[J]. 无损检测, 2018, 40(11): 25-28. DOI: 10.11973/wsjc201811007
引用本文: 李庆顺, 王小刚, 尹基林, 陈小亮. 反应堆中子通量测量系统指套管微振磨损长度的测量[J]. 无损检测, 2018, 40(11): 25-28. DOI: 10.11973/wsjc201811007
LI Qingshun, WANG Xiaogang, YIN Jilin, CHEN Xiaoliang. Measurement of Thimble Tube Fretting Wear Length of Nuclear Reactor Neutron Flux Measuring System[J]. Nondestructive Testing, 2018, 40(11): 25-28. DOI: 10.11973/wsjc201811007
Citation: LI Qingshun, WANG Xiaogang, YIN Jilin, CHEN Xiaoliang. Measurement of Thimble Tube Fretting Wear Length of Nuclear Reactor Neutron Flux Measuring System[J]. Nondestructive Testing, 2018, 40(11): 25-28. DOI: 10.11973/wsjc201811007

反应堆中子通量测量系统指套管微振磨损长度的测量

详细信息
    作者简介:

    李庆顺(1987-),男,助理工程师,主要从事核电站无损检测工作

    通讯作者:

    李庆顺, E-mail:citecxlier@163.com

  • 中图分类号: TG115.28

Measurement of Thimble Tube Fretting Wear Length of Nuclear Reactor Neutron Flux Measuring System

  • 摘要: 简述了CPR1000型核电站堆芯中子通量测量指套管的微振磨损机理,针对支撑处常见的微振磨损,使用涡流方法对其磨损长度进行了精确测量。对主要影响测量结果的线圈响应范围进行了分析和计算,结果表明:精确的外壁磨损长度测量结果为电站对指套管的设计和后期跟踪维护提供了重要参考。
    Abstract: In this paper, the fretting wear mechanism of the thimble tube of neutron flux measurement in the core of the CPR1000 nuclear power plant is briefly described. For the common fretting wear at the support, an accurate measurement of the wear length using the eddy current method is investigated. The coil response range that mainly affects the measurement results is analyzed and calculated. Accurate outer wall wear length measurement results provide an important reference for the design of the casing and the follow-up maintenance.
  • [1] 柳正钧.堆芯指套管磨损、堵塞机理与预防性维修策略[J].核动力工程,2004(4):264-269.
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出版历程
  • 收稿日期:  2018-07-04
  • 刊出日期:  2018-11-09

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