Staff View: Measurement of Thinned Water-Cooled Wall in a Circulating Fluidized Bed Boiler Using Ultrasonic and Magnetic Methods

Measurement of Thinned Water-Cooled Wall in a Circulating Fluidized Bed Boiler Using Ultrasonic and Magnetic Methods

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Bibliographic Details
Main Author:	Jinyi Lee
Other Authors:	Eunho Choe
Format:	Article
Language:	English
Published:	Applied Sciences 2021
Subjects:	circulating fluidized bed combustion boiler water-cooled wall tube magnetic sensor array
Online Access:	https://www.mdpi.com/2076-3417/11/6/2498 https://dlib.phenikaa-uni.edu.vn/handle/PNK/1944 https://doi.org/10.3390/app11062498
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spelling	oai:localhost:PNK-19442022-08-17T05:54:43Z Measurement of Thinned Water-Cooled Wall in a Circulating Fluidized Bed Boiler Using Ultrasonic and Magnetic Methods Jinyi Lee Eunho Choe Cong-Thuong Pham Minhhuy Le circulating fluidized bed combustion boiler water-cooled wall tube water-cooled wall tube magnetic sensor array Q1 In this paper, a nondestructive inspection system is proposed to detect and quantitatively evaluate the size of the near- and far-side damages on the tube, membrane, and weld of the water-cooled wall in the fluidized bed boiler. The shape and size of the surface damages can be evaluated from the magnetic flux density distribution measured by the magnetic sensor array on one side from the center of the magnetizer. The magnetic sensors were arrayed on a curved shape probe according to the tube’s cross-sectional shape, membrane, and weld. On the other hand, the couplant was doped to the water-cooled wall, and a thin film was formed thereon by polyethylene terephthalate. Then, the measured signal of the flexible ultrasonic probe was used to detect and evaluate the depth of the damages. The combination of the magnetic and ultrasonic methods helps to detect and evaluate both near and far-side damages. Near-side damages with a minimum depth of 0.3 mm were detected, and the depth from the surface of the far-side damage was evaluated with a standard deviation of 0.089 mm. 2021-07-05T09:09:28Z 2021-07-05T09:09:28Z 2021 Article https://www.mdpi.com/2076-3417/11/6/2498 https://dlib.phenikaa-uni.edu.vn/handle/PNK/1944 https://doi.org/10.3390/app11062498 en application/pdf Applied Sciences
institution	Digital Phenikaa
collection	Digital Phenikaa
language	English
topic	circulating fluidized bed combustion boiler water-cooled wall tube water-cooled wall tube magnetic sensor array
spellingShingle	circulating fluidized bed combustion boiler water-cooled wall tube water-cooled wall tube magnetic sensor array Jinyi Lee Measurement of Thinned Water-Cooled Wall in a Circulating Fluidized Bed Boiler Using Ultrasonic and Magnetic Methods
description	Q1
author2	Eunho Choe
author_facet	Eunho Choe Jinyi Lee
format	Article
author	Jinyi Lee
author_sort	Jinyi Lee
title	Measurement of Thinned Water-Cooled Wall in a Circulating Fluidized Bed Boiler Using Ultrasonic and Magnetic Methods
title_short	Measurement of Thinned Water-Cooled Wall in a Circulating Fluidized Bed Boiler Using Ultrasonic and Magnetic Methods
title_full	Measurement of Thinned Water-Cooled Wall in a Circulating Fluidized Bed Boiler Using Ultrasonic and Magnetic Methods
title_fullStr	Measurement of Thinned Water-Cooled Wall in a Circulating Fluidized Bed Boiler Using Ultrasonic and Magnetic Methods
title_full_unstemmed	Measurement of Thinned Water-Cooled Wall in a Circulating Fluidized Bed Boiler Using Ultrasonic and Magnetic Methods
title_sort	measurement of thinned water-cooled wall in a circulating fluidized bed boiler using ultrasonic and magnetic methods
publisher	Applied Sciences
publishDate	2021
url	https://www.mdpi.com/2076-3417/11/6/2498 https://dlib.phenikaa-uni.edu.vn/handle/PNK/1944 https://doi.org/10.3390/app11062498
_version_	1751856255845007360
score	8.887836

Measurement of Thinned Water-Cooled Wall in a Circulating Fluidized Bed Boiler Using Ultrasonic and Magnetic Methods

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