Annals of Nuclear Energy· 2026Q1
Numerical study on capacitive metal rod position detector in double-layer medium
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- 2026year
Short summary
A numerical model for capacitive metal rod position detectors in double-layer media reveals that electrode flare angles significantly impact measuring errors, enabling an optimized detector design.
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Key points
- A verified numerical model simulates capacitive detectors for control rod positions in double-layer media.
- The mathematical expression for detector signal as a function of rod position and liquid level is derived.
- Error characteristics of detectors measuring eccentric metal rods are identified.
- An evaluation method for measuring errors in double-layer media is constructed.
- An optimized integrated capacitive metal rod position detector (CMRPD) design is proposed.
AI-generated from the title and abstract; the full text is not read.
Abstract
Position signals of control rods are important parameters that should be measured during the operation of nuclear reactors. The performance of capacitive detectors for measuring control rod positions in a double-layer medium is numerically studied in this paper. According to the experimental results of concave electrodes capacitive detectors, the numerical model is verified. The mathematical expression of the detector signal is derived as a function of rod position and liquid level. The error characteristics of the capacitive detectors for measuring the eccentric metal rod are revealed. The method for evaluating measuring errors of capacitive detectors in double-layer medium is constructed. The relation between flare angles of electrodes and measuring errors is studied, and the optimization method of the flare angles is discussed. The design of the integrated capacitive metal rod position detector (CMRPD) is proposed. Measuring errors and performance of the detector are evaluated.
The authors' abstract, as published at the source. Annals of Nuclear Energy, 2026 · DOI ↗
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Field: Computer Networks and Communications
Computer Networks and CommunicationsComputer Science