{"title":"Magnetic Flux Leakage Measurement System for Nondestructive Testing of Water-Cooled Wall","authors":"Hoyong Lee, Choe Eunho, Jinyi Lee, Gyejo Jung","doi":"10.1109/I2MTC.2019.8826829","DOIUrl":null,"url":null,"abstract":"A system that can calculate the abrasive corrosion and wall thinning of water-cooled wall tubes of boiler by measuring magnetic flux change was developed. A magnetizer, which is curved according to the cross-sectional shape of the tube, membrane and weld line, magnetizes a part of the water-cooled wall in the axial direction. At this time, the magnitude of the magnetic flux changes in a region where the thickness becomes thinner. This change in magnetic flux is measured by a magnetic sensor array deflected to one side from the center of the magnetizer.","PeriodicalId":132588,"journal":{"name":"2019 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2019 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/I2MTC.2019.8826829","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
A system that can calculate the abrasive corrosion and wall thinning of water-cooled wall tubes of boiler by measuring magnetic flux change was developed. A magnetizer, which is curved according to the cross-sectional shape of the tube, membrane and weld line, magnetizes a part of the water-cooled wall in the axial direction. At this time, the magnitude of the magnetic flux changes in a region where the thickness becomes thinner. This change in magnetic flux is measured by a magnetic sensor array deflected to one side from the center of the magnetizer.
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