partA calculating section 43 for calculating the difference between the oscillation frequencies measured by the measuring section 41 andA conversion section 44 for converting the difference calculated in the calculating section 43 into eddy current of the object to be detected is provided.Diagram大隅...
Eddy current sensor displacement measurement experiment diagram as shown below: The electric displacement characteristics of eddy current principle diagram According to the basic principle of the eddy current sensor, the sensor and the measured distance between the sensor to transform the Q value, the ...
Eddy current sensor displacement measurement experiment diagram as shown below: The electric displacement characteristics of eddy current principle diagram According to the basic principle of the eddy current sensor, the sensor and the measured distance between the sensor to transform the Q value, the ...
关键词: eddy-current sensor tensile stress measurement steel of reinforced concrete elements parameter optimisation stress-strain diagram 会议名称: International Conference on Force, Mass, Torque, Hardness and Civil Engineering Metrology in the age globalization ...
An eddy current flaw detection sensor is provided which can detect a circumferential crack occurring at the deformed portion or peripheral portion thereof of a heat transfer tube wi
The essence of the invention lies in the fact that the eddy-current converter contains a high-frequency generator, an eddy-current sensor, an alternating voltage converter of the circuit and a level-shaping amplifier, a source of a high-stable constant voltage, a high-resistance impedance, an ...
关键词: eddy current sensor impedance diagram magnetic conductive plate short-circuit plate skin effect DOI: 10.3379/jmsjmag.21.653 年份: 1997 收藏 引用 批量引用 报错 分享 全部来源 求助全文 dx.doi.org ResearchGate jstage.jst.go.jp 相似文献 参考文献...
Delta][X]/[omega] = [Delta] [L] being assigned a product [omega][sigma] in accordance with the associated measurement frequency [omega] and the known conductivity [sigma] of the calibration body, and said value pairs are used to plot an [omega][sigma] locus curve in a Nyquist diagram...
Eddy Current- In Brief Electromagnetic Testing Eddy Current in Brief 2014-December My ASNT Level III Pre-Exam Preparatory Self Study Notes 外围学习中 Charlie Chong/ Fion Zhang
2.The sensor for detecting surface defects of a metal tube of claim 1, wherein the plurality of coils are divided into an exciting coil for generating an eddy current and a sensing coil provided on the outside of the exciting coil and detecting the change in the impedance of the coils, ...