Results 11 to 20 of about 406,343 (328)

Detecting Broken Strands in Transmission Lines Based on Pulsed Eddy Current

Metals, 2022
High-voltage transmission lines are the main facilities for power transmission, and they are mainly composed of aluminum conductor steel-reinforced (ACSR). Over long-term outdoor use, overhead transmission lines will encounter lightning strikes, chemical
Chunhui Liao, Yinghu Yi, Tao Chen, Chen Cai, Zhiyang Deng, Xiaochun Song, Cheng Lv   +6 more
doaj   +2 more sources

Parameter Identification and Transition Process Online Calibration Method of Pulsed Eddy Current Receiving Coil Based on Underdamped Dynamic Response Characteristics [PDF]

Sensors
In order to solve the problem that the system parameters will be offset during the detection process of the pulsed eddy current receiving coil, this paper first analyzes the response signal of the receiving system and the deconvolution process of the ...
Zhiwu Zeng, Jie Wang, Xiaoju Huang, Yun Zuo, Yuan Liu, Xu Tian, Feng Pei, Kui Liu, Fu Chen, Xiaotian Wang, Jingang Wang   +10 more
doaj   +2 more sources

Enhanced Nondestructive Testing Using Pulsed Eddy Current and Electromagnetic Ultrasonic Techniques

Applied Sciences
Owing to the challenging working conditions aboard ships, equipment may develop various defects that traditional nondestructive testing methods cannot fully detect.
Xinyu Zheng, Jing Huang, Ningzhao Luo
doaj   +2 more sources

Emissivity Correction and Thermal Pattern Reconstruction in Eddy Current Pulsed Thermography

Sensors, 2023
Emissivity variations are one of the most critical challenges in thermography technologies; this is due to the temperature calculation strongly depending on emissivity settings for infrared signal extraction and evaluation.
Kongjing Li, Gui Yun Tian, Junaid Ahmed
doaj   +2 more sources

Multi-Modal Joint Pulsed Eddy Current Sensor Signal Denoising Method Integrating Inductive Disturbance Mechanism [PDF]

Sensors
Pulsed eddy current (PEC) testing technology has been widely used in the field of non-destructive testing of metal grounding structures due to its wide-band excitation and response characteristics.
Yun Zuo, Gebiao Hu, Fan Gan, Zhiwu Zeng, Zhichi Lin, Xinxun Wang, Ruiqing Xu, Liang Wen, Shubing Hu, Haihong Le, Runze Wu, Jingang Wang   +11 more
doaj   +2 more sources

Research on geometric parameter quantification of rail rolling contact fatigue crack damage based on 2D optical image [PDF]

Scientific Reports
High-speed railway is a comprehensive carrier of high-technology. As an important infrastructure of high - speed rail tracks, rail breakage and derailment accidents caused by rail rolling contact fatigue crack damage are quite common.
Yu Wang, Bingrong Miao, Ying Zhang, Zhong Huang   +3 more
doaj   +2 more sources

Pulsed eddy currents in ferromagnetic pipes with cladding in nuclear power plants

Energy Reports, 2022
The steam and water piping in a nuclear power plant is generally covered with cladding on the outer wall of the pipes, thereby improving heat transfer efficiency.
Yang Han, Yu-chun Tao, Chun-bing Shao, Hai Yan, Zhi-zhen Peng   +4 more
doaj   +1 more source

СТРУМИ ТА ЕЛЕКТРОМАГНІТНІ ЗУСИЛЛЯ В СИСТЕМАХ МАГНІТНО-ІМПУЛЬСНОЇ ОБРОБКИ З ФЕРОМАГНІТНОЮ ПЛАТФОРМОЮ

Праці Інституту електродинаміки Національної академії наук України, 2022
The action of high-density pulsed currents (109 A/m2) leads to the appearance of the electro-plastic effect in metal products. It is proposed to use magnetic pulse treatment of nonmagnetic plates by electromagnetic inductors with a U-shaped magnetic ...
І.П. Кондратенко, О.М. Карлов, Р.С. Крищук   +2 more
doaj   +1 more source

Research on residual wall thickness inversion of oil and gas pipelinewith cladding based on support vector machine

You-qi chuyun, 2021
The oil and gas pipelines in the oil field are usually equipped with a layer of cladding in certain thickness, and the pulsed eddy current testing technology can be adopted to measure the wall thickness without removing the cladding, which saves a lot of
Xianfeng HAO, Hao GONG, Guojian SUN, Anquan WANG, Yongshou DAI   +4 more
doaj   +1 more source

Circular-arc array for the pulsed eddy current inspection of thermally insulated pipelines

Measurement science and technology, 2023
The inspection of corrosion under insulation (CUI) has been identified as a significant challenge in the petroleum and chemical process industries. As some of the most effective strategies, pulsed eddy current (PEC) techniques have proved effective for ...
Ling Yang, Jingxin Dang, Mengfan Yang, Yixin Dang, Kai Yuan, Yanyin Zhou, Bo Dang   +6 more
semanticscholar   +1 more source