Reducing the Impact of Electroconductivity and the Gap between the Pipe and the Transducer at Measuring Thickness of Electroconductive Pipe Walls using the Eddy-Current Method

Reducing the Impact of Electroconductivity and the Gap between the Pipe and the Transducer at Measuring Thickness of Electroconductive Pipe Walls using the Eddy-Current Method

Бібліографічні деталі
Parent link:MATEC Web of Conferences
Vol. 79 : Information-Measuring Equipment and Technologies (IME&T 2016).— 2016.— [01069, 5 p.]
Автор: Yakimov E. V. Evgeny Valeryevich
Співавтор: Национальный исследовательский Томский политехнический университет (ТПУ) Институт неразрушающего контроля (ИНК) Кафедра физических методов и приборов контроля качества (ФМПК)
Інші автори: Ustyugov D. Daniil
Резюме:Title screen
The paper describes a dual-frequency method for reducing the impact of changes in the gap size between the eddy-current transducer and the pipe, as well as the pipe electrical conductivity on the eddy-current thickness gauge readings. A block-diagram of the dual-frequency eddycurrent thickness gauge is proposed for light-alloy drill pipes. The amplitude and signal phase dependencies on the wall thickness in the range from 6 to 17 mm and the gap in the range from 0 to 13.5 mm were studied, the results are presented. The digital signal processing algorithms based on the piecewise-linear approximation of low-frequency and high-frequency signal phase dependencies on the wall thickness are proposed. It is shown that the proposed correction algorithms can reduce the error caused by variations of electrical conductivity and the gap between the transducer and the pipe.
Мова:Англійська
Опубліковано: 2016
Предмети:
электронный ресурс
труды учёных ТПУ
электропроводность
вихретоковые методы
электрическая проводимость
толщиномеры
бурильные трубы
цифровая обработка
сигналы
Онлайн доступ:http://dx.doi.org/10.1051/matecconf/20167901069
http://earchive.tpu.ru/handle/11683/35271
Формат: Електронний ресурс Частина з книги
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=651562

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