Characteristics of the Received Signal of an Ultrasonic Sensor Installed in a Chamber with Micro-Leakage

<p>As fossil fuel depletion and environmental pollution problems are becoming increasingly more serious, interest in the efficient use of natural resources and alternative energy is rapidly growing. In particular, interest in fuels stored as high-pressure gases such as natural gas and hydrogen...

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Autores principales:	W. Seo, S. Im, G. Lee
Formato:	article
Lenguaje:	EN
Publicado:	Copernicus Publications 2021
Materias:	Materials of engineering and construction. Mechanics of materials TA401-492
Acceso en línea:	https://doaj.org/article/7b5f37e194024affb8bfb15beaefaba1
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spelling	oai:doaj.org-article:7b5f37e194024affb8bfb15beaefaba12021-11-24T11:43:14ZCharacteristics of the Received Signal of an Ultrasonic Sensor Installed in a Chamber with Micro-Leakage10.5194/ms-12-1051-20212191-91512191-916Xhttps://doaj.org/article/7b5f37e194024affb8bfb15beaefaba12021-11-01T00:00:00Zhttps://ms.copernicus.org/articles/12/1051/2021/ms-12-1051-2021.pdfhttps://doaj.org/toc/2191-9151https://doaj.org/toc/2191-916X<p>As fossil fuel depletion and environmental pollution problems are becoming increasingly more serious, interest in the efficient use of natural resources and alternative energy is rapidly growing. In particular, interest in fuels stored as high-pressure gases such as natural gas and hydrogen is also rising. Ultrasonic waves show various received signals according to characteristics such as density of the medium and acoustic impedance. An experimental study on the detection of the micro-leakage of fuel stored as high-pressure gas was conducted based on the characteristics of ultrasonic waves. First, an ultrasonic sensor was manufactured by selecting the matching layer with consideration of the acoustic impedance. In the experiment, a mass flow controller (MFC) was attached to a perforated hole in the fabricated chamber to generate micro-leakage, and the signal from the receiving ultrasonic sensor was then collected. The envelope signal of the received ultrasonic sensor signal was analyzed through the Gaussian distribution method. The temperature inside the chamber and the received voltage decreased according to a similar trend and showed a nonlinear result. However, the phase of the received ultrasonic sensor signal showed a relatively linear result according to the internal pressure change. Micro-leakage could not be detected with only the received voltage seen by the ultrasonic sensor. Therefore, the phase shift of the receiving ultrasonic sensor can be used to detect micro-leakage in a high-pressure gas tank.</p>W. SeoS. ImG. LeeCopernicus PublicationsarticleMaterials of engineering and construction. Mechanics of materialsTA401-492ENMechanical Sciences, Vol 12, Pp 1051-1060 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Materials of engineering and construction. Mechanics of materials TA401-492
spellingShingle	Materials of engineering and construction. Mechanics of materials TA401-492 W. Seo S. Im G. Lee Characteristics of the Received Signal of an Ultrasonic Sensor Installed in a Chamber with Micro-Leakage
description	<p>As fossil fuel depletion and environmental pollution problems are becoming increasingly more serious, interest in the efficient use of natural resources and alternative energy is rapidly growing. In particular, interest in fuels stored as high-pressure gases such as natural gas and hydrogen is also rising. Ultrasonic waves show various received signals according to characteristics such as density of the medium and acoustic impedance. An experimental study on the detection of the micro-leakage of fuel stored as high-pressure gas was conducted based on the characteristics of ultrasonic waves. First, an ultrasonic sensor was manufactured by selecting the matching layer with consideration of the acoustic impedance. In the experiment, a mass flow controller (MFC) was attached to a perforated hole in the fabricated chamber to generate micro-leakage, and the signal from the receiving ultrasonic sensor was then collected. The envelope signal of the received ultrasonic sensor signal was analyzed through the Gaussian distribution method. The temperature inside the chamber and the received voltage decreased according to a similar trend and showed a nonlinear result. However, the phase of the received ultrasonic sensor signal showed a relatively linear result according to the internal pressure change. Micro-leakage could not be detected with only the received voltage seen by the ultrasonic sensor. Therefore, the phase shift of the receiving ultrasonic sensor can be used to detect micro-leakage in a high-pressure gas tank.</p>
format	article
author	W. Seo S. Im G. Lee
author_facet	W. Seo S. Im G. Lee
author_sort	W. Seo
title	Characteristics of the Received Signal of an Ultrasonic Sensor Installed in a Chamber with Micro-Leakage
title_short	Characteristics of the Received Signal of an Ultrasonic Sensor Installed in a Chamber with Micro-Leakage
title_full	Characteristics of the Received Signal of an Ultrasonic Sensor Installed in a Chamber with Micro-Leakage
title_fullStr	Characteristics of the Received Signal of an Ultrasonic Sensor Installed in a Chamber with Micro-Leakage
title_full_unstemmed	Characteristics of the Received Signal of an Ultrasonic Sensor Installed in a Chamber with Micro-Leakage
title_sort	characteristics of the received signal of an ultrasonic sensor installed in a chamber with micro-leakage
publisher	Copernicus Publications
publishDate	2021
url	https://doaj.org/article/7b5f37e194024affb8bfb15beaefaba1
work_keys_str_mv	AT wseo characteristicsofthereceivedsignalofanultrasonicsensorinstalledinachamberwithmicroleakage AT sim characteristicsofthereceivedsignalofanultrasonicsensorinstalledinachamberwithmicroleakage AT glee characteristicsofthereceivedsignalofanultrasonicsensorinstalledinachamberwithmicroleakage
_version_	1718415055602581504

Characteristics of the Received Signal of an Ultrasonic Sensor Installed in a Chamber with Micro-Leakage

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