首页> 外文期刊>Optoelectronics, Instrumentation and Data Processing >INFORMATION-MEASUREMENT SYSTEMS THREE-DIMENSIONAL NONCONTACT INSPECTION OF GEOMETRIC PARAMETERS OF GRID SPACERS IN NUCLEAR REACTORS
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INFORMATION-MEASUREMENT SYSTEMS THREE-DIMENSIONAL NONCONTACT INSPECTION OF GEOMETRIC PARAMETERS OF GRID SPACERS IN NUCLEAR REACTORS

机译:核反应堆中栅格空间几何参数的三维非接触式信息测量系统

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摘要

Severe requirements are imposed on the geometric parameters of the grid spacers in order to ensure a high reliability of fuel assemblies of nuclear reactors. They specify position of the beam of fuel elements in the transverse and longitudinal directions of the fuel assemblies. This is of extreme importance for preventing their corrosion and maintaining the required heat regime of functioning. A laser measuring machine (LMM) was developed and produced using the multipoint structured illumination method to ensure 100 % 3D inspection of the geometric parameters of grid spacers in Russian VVER-1000 nuclear reactors. A measurement method as well as hardware and software of the LMM are presented. Results of LMM testing in the industrial conditions are presented and discussed.
机译:为了确保核反应堆的燃料组件的高可靠性,对栅格间隔件的几何参数提出了严格的要求。它们规定了燃料元件束在燃料组件的横向和纵向上的位置。这对于防止其腐蚀并维持所需的功能热状态极为重要。使用多点结构照明方法开发并生产了一种激光测量机(LMM),以确保对俄罗斯VVER-1000核反应堆中的栅格间隔物的几何参数进行100%3D检查。介绍了LMM的测量方法以及硬件和软件。提出并讨论了工业条件下LMM测试的结果。

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