Stepping movement analysis of control rod drive mechanism

XU Yantao ZU Hongbiao

doi:10.11889/j.0253-3219.2013.hjs.36.040666

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Stepping movement analysis of control rod drive mechanism

更新时间：2021-06-03

- Stepping movement analysis of control rod drive mechanism
- NUCLEAR TECHNIQUES Vol. 36, Issue 4, Article number: 040666(2013)
- 作者机构：
  
  国家核电技术公司上海核工程研究设计院工程设备所
- 作者简介：
- 基金信息：
- DOI：10.11889/j.0253-3219.2013.hjs.36.040666
  CLC： TL351.5
- Published：2013
- 稿件说明：
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[1]许艳涛,祖洪彪.控制棒驱动机构步跃动作运动分析[J].核技术,2013,36(04):347-351.

XU Yantao ZU Hongbiao. Stepping movement analysis of control rod drive mechanism[J]. Nuclear techniques, 2013, 36(4): 040666
[1]许艳涛,祖洪彪.控制棒驱动机构步跃动作运动分析[J].核技术,2013,36(04):347-351. DOI： 10.11889/j.0253-3219.2013.hjs.36.040666.

XU Yantao ZU Hongbiao. Stepping movement analysis of control rod drive mechanism[J]. Nuclear techniques, 2013, 36(4): 040666 DOI： 10.11889/j.0253-3219.2013.hjs.36.040666.

摘要

控制棒驱动机构是核电厂中的重要安全设备。其步跃动作的运行参数包括提升负荷、步距、步速等都是其核心设计指标。本文考虑重力、电磁力、水阻力和弹簧力载荷

建立了步跃运动方程。分别使用有限元方法和解析方法对步跃动作进行了动态模拟分析

获得了包括提升力、速度等时程变化曲线在内的结果

同时讨论了这些结果对设备设计的积极意义。

Abstract

Background: Control rod drive mechanism（CRDM） is one of the important safety-related equipment for nuclear power plants.Purpose: The operating parameters of stepping movement

including lifting loads

step distance and step velocity

are all critical design targets.Methods: FEA and numerical simulation are used to analyze stepping movement separately.Results: The motion equations of the movable magnet in stepping movement are established by load analysis.Gravitation

magnetic force

fluid resistance and spring force are all in consideration in the load analysis.The operating parameters of stepping movement are given.Conclusions: The results

including time history curves of force

speed and etc

can positively used in the design of CRDM.

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Related Institution

Shanghai Institute of Applied Physics, Chinese Academy of Sciences

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