Application of high-speed digital camera in control rod drive line drop performance experiment

ZHANG Chaozhu; GU Hanyang; LIU Gang; CHEN Yuqing; ZHOU Xiaojia

doi:10.11889/j.0253-3219.2014.hjs.37.090603

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Application of high-speed digital camera in control rod drive line drop performance experiment

更新时间：2021-03-03

- Application of high-speed digital camera in control rod drive line drop performance experiment
- NUCLEAR TECHNIQUES Vol. 37, Issue 9, Article number: 090603(2014)
- 作者机构：
  
  1. 上海交通大学核科学与工程学院,上海,200240
  2. 上海核工程研究设计院,上海,200233
- 作者简介：
- 基金信息：
- DOI：10.11889/j.0253-3219.2014.hjs.37.090603
  CLC：
- Published：09 September 2014
- 稿件说明：
移动端阅览
ZHANG Chaozhu, GU Hanyang, LIU Gang, et al. Application of high-speed digital camera in control rod drive line drop performance experiment[J]. Nuclear techniques, 2014, 37(9): 090603
DOI：

ZHANG Chaozhu, GU Hanyang, LIU Gang, et al. Application of high-speed digital camera in control rod drive line drop performance experiment[J]. Nuclear techniques, 2014, 37(9): 090603 DOI： 10.11889/j.0253-3219.2014.hjs.37.090603.

摘要

控制棒落棒性能分析是驱动线设计验证的重要部分。本文在AP1000控制棒驱动线落棒实验中，应用高速摄像仪拍摄落棒历程，并提出了一种结合数字图像相关和亚像素插值的方法，用于处理拍摄的图像。基于此种方法，获得了精确的控制棒棒位-时间、速度-时间、加速度-时间曲线，有利于验证和改进控制棒驱动线设计。

Abstract

Background: Control rod drop performance is essential for safety analysis of nuclear power plant. Purpose: To validate the design of control rod drive line (CRDL)

a high-speed digital camera is used to record the control rod drop course in AP1000 CRDL drop performance experiment. Methods: The recorded video images are analyzed by a digital image processing method which includes digital image correlation and sub-pixel algorithm. Results: Based on such approach

the relationships of control rod’s position

velocity and acceleration with time are obtained. Conclusion: This approach has high accuracy theoretically and will be useful for validating and improving the design of CRDL. Abstract

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