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Measuring Liquid-Level Utilizing Wedge Wave

A new technique for measuring liquid-level utilizing wedge wave is presented and demonstrated through FEM simulation and a corresponding experiment. The velocities of wedge waves in the air and the water, and the sensitivities for the measurement, are compared with the simulation and the results obt...

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Autores principales: Matsuya, Iwao, Honma, Yudai, Mori, Masayuki, Ihara, Ikuo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5795904/
https://www.ncbi.nlm.nih.gov/pubmed/29267232
http://dx.doi.org/10.3390/s18010002
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author Matsuya, Iwao
Honma, Yudai
Mori, Masayuki
Ihara, Ikuo
author_facet Matsuya, Iwao
Honma, Yudai
Mori, Masayuki
Ihara, Ikuo
author_sort Matsuya, Iwao
collection PubMed
description A new technique for measuring liquid-level utilizing wedge wave is presented and demonstrated through FEM simulation and a corresponding experiment. The velocities of wedge waves in the air and the water, and the sensitivities for the measurement, are compared with the simulation and the results obtained in the experiments. Combining the simulation and the measurement theory, it is verified that the foundation framework for the methods is available. The liquid-level sensing is carried out using the aluminum waveguide with a 30° wedge in the water. The liquid-level is proportional to the traveling time of the mode 1 wedge wave. The standard deviations and the uncertainties of the measurement are 0.65 mm and 0.21 mm using interface echo, and 0.39 mm and 0.12 mm utilized by end echo, which are smaller than the industry standard of 1.5 mm. The measurement resolutions are 7.68 μm using the interface echo, which is the smallest among all the guided acoustic wave-based liquid-level sensing.
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spelling pubmed-57959042018-02-13 Measuring Liquid-Level Utilizing Wedge Wave Matsuya, Iwao Honma, Yudai Mori, Masayuki Ihara, Ikuo Sensors (Basel) Article A new technique for measuring liquid-level utilizing wedge wave is presented and demonstrated through FEM simulation and a corresponding experiment. The velocities of wedge waves in the air and the water, and the sensitivities for the measurement, are compared with the simulation and the results obtained in the experiments. Combining the simulation and the measurement theory, it is verified that the foundation framework for the methods is available. The liquid-level sensing is carried out using the aluminum waveguide with a 30° wedge in the water. The liquid-level is proportional to the traveling time of the mode 1 wedge wave. The standard deviations and the uncertainties of the measurement are 0.65 mm and 0.21 mm using interface echo, and 0.39 mm and 0.12 mm utilized by end echo, which are smaller than the industry standard of 1.5 mm. The measurement resolutions are 7.68 μm using the interface echo, which is the smallest among all the guided acoustic wave-based liquid-level sensing. MDPI 2017-12-21 /pmc/articles/PMC5795904/ /pubmed/29267232 http://dx.doi.org/10.3390/s18010002 Text en © 2017 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Matsuya, Iwao
Honma, Yudai
Mori, Masayuki
Ihara, Ikuo
Measuring Liquid-Level Utilizing Wedge Wave
title Measuring Liquid-Level Utilizing Wedge Wave
title_full Measuring Liquid-Level Utilizing Wedge Wave
title_fullStr Measuring Liquid-Level Utilizing Wedge Wave
title_full_unstemmed Measuring Liquid-Level Utilizing Wedge Wave
title_short Measuring Liquid-Level Utilizing Wedge Wave
title_sort measuring liquid-level utilizing wedge wave
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5795904/
https://www.ncbi.nlm.nih.gov/pubmed/29267232
http://dx.doi.org/10.3390/s18010002
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