Mechanism model for effect of eccentricity on capacitive control rod position indicators

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-10-09 DOI:10.1016/j.nucengdes.2024.113628

Yanlin Li, Benke Qin, Zijia Chen, Wei Xiong, Hanliang Bo

引用次数: 0

Abstract

The continuous identification technology for position signals based on the capacitive method has a good application potential in the field of the control rods position measurement in nuclear reactors. The main source for error of the Capacitive Control Rod Position Indicators (CCRPIs) comes from the effect of eccentricity. The conformal mapping technique was used in this paper, and the geometry of the CCRPIs could be transformed. A model for revealing the mechanism of the effect of eccentricity was established, and it was tested and verified by the method of numerical calculation. The characteristics of the distribution of the sensitive field was clarified by the model. The results indicate that the maximum error of the model is smaller than 13 %, and the eccentric effect of the indicator can be described by the model.

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偏心对电容式控制杆位置指示器影响的机理模型

基于电容法的位置信号连续识别技术在核反应堆控制棒位置测量领域具有良好的应用潜力。电容式控制棒位置指示器（CCRPI）的主要误差来源于偏心效应。本文采用保角映射技术，对 CCRPI 的几何形状进行了转换。建立了揭示偏心效应机理的模型，并通过数值计算方法进行了测试和验证。模型明确了敏感场分布的特征。结果表明，模型的最大误差小于 13%，指标的偏心效应可以用模型来描述。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.