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Selective Detection of Liquid Viscosity Using Acoustic Plate Waves with In-Plane Polarization

Using plates of weak piezoeletcric crystal (quartz) loaded with various liquids, it is shown that along with common modes, whose sensitivity towards different liquid parameters comparable with each other, there are some uncommon modes, whose amplitude responses towards viscosity η are much larger th...

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Autores principales: Anisimkin, Vladimir, Shamsutdinova, Elizaveta, Li, Peng, Wang, Bin, Zhu, Feng, Qian, Zhenghua, Kuznetsova, Iren
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9002693/
https://www.ncbi.nlm.nih.gov/pubmed/35408341
http://dx.doi.org/10.3390/s22072727
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author Anisimkin, Vladimir
Shamsutdinova, Elizaveta
Li, Peng
Wang, Bin
Zhu, Feng
Qian, Zhenghua
Kuznetsova, Iren
author_facet Anisimkin, Vladimir
Shamsutdinova, Elizaveta
Li, Peng
Wang, Bin
Zhu, Feng
Qian, Zhenghua
Kuznetsova, Iren
author_sort Anisimkin, Vladimir
collection PubMed
description Using plates of weak piezoeletcric crystal (quartz) loaded with various liquids, it is shown that along with common modes, whose sensitivity towards different liquid parameters comparable with each other, there are some uncommon modes, whose amplitude responses towards viscosity η are much larger than towards temperature T and electric conductivity σ. The search of the modes with the selective properties is accomplished by varying plate thickness h, crystal orientation, wave length λ, and mode order n. It is found that all modes possessing the property are characterized by small surface-normal displacement, avoiding wave radiation into adjacent liquid, large in-plane displacements, enhancing viscous coupling the modes and liquids, and small electro-mechanical constant, reducing electro-acoustic interaction. Basing on the modes, the sensor prototypes with selective operation are developed and tested for η from 1 to 1500 cP, σ from 0 to 1.2 S/m, and t from 0 to 55 °C. Because of operation at ultrasonic frequency (tens MHz) the prototypes have different sensitivities in various η-ranges: 0.3 dB/cP for 1–20 cP, 0.12 dB/cP for 20–100 cP, and 0.015 dB/cP for 100–1500 cP. Viscosity responses of the prototypes become comparable with their electric outputs only for η < 2 cP. Temperature responses are almost zero in air, but when plate is coated with liquid they increase depending on liquid properties, allowing measurements of the temperature dependence of the liquid viscosity.
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spelling pubmed-90026932022-04-13 Selective Detection of Liquid Viscosity Using Acoustic Plate Waves with In-Plane Polarization Anisimkin, Vladimir Shamsutdinova, Elizaveta Li, Peng Wang, Bin Zhu, Feng Qian, Zhenghua Kuznetsova, Iren Sensors (Basel) Article Using plates of weak piezoeletcric crystal (quartz) loaded with various liquids, it is shown that along with common modes, whose sensitivity towards different liquid parameters comparable with each other, there are some uncommon modes, whose amplitude responses towards viscosity η are much larger than towards temperature T and electric conductivity σ. The search of the modes with the selective properties is accomplished by varying plate thickness h, crystal orientation, wave length λ, and mode order n. It is found that all modes possessing the property are characterized by small surface-normal displacement, avoiding wave radiation into adjacent liquid, large in-plane displacements, enhancing viscous coupling the modes and liquids, and small electro-mechanical constant, reducing electro-acoustic interaction. Basing on the modes, the sensor prototypes with selective operation are developed and tested for η from 1 to 1500 cP, σ from 0 to 1.2 S/m, and t from 0 to 55 °C. Because of operation at ultrasonic frequency (tens MHz) the prototypes have different sensitivities in various η-ranges: 0.3 dB/cP for 1–20 cP, 0.12 dB/cP for 20–100 cP, and 0.015 dB/cP for 100–1500 cP. Viscosity responses of the prototypes become comparable with their electric outputs only for η < 2 cP. Temperature responses are almost zero in air, but when plate is coated with liquid they increase depending on liquid properties, allowing measurements of the temperature dependence of the liquid viscosity. MDPI 2022-04-01 /pmc/articles/PMC9002693/ /pubmed/35408341 http://dx.doi.org/10.3390/s22072727 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/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 (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Anisimkin, Vladimir
Shamsutdinova, Elizaveta
Li, Peng
Wang, Bin
Zhu, Feng
Qian, Zhenghua
Kuznetsova, Iren
Selective Detection of Liquid Viscosity Using Acoustic Plate Waves with In-Plane Polarization
title Selective Detection of Liquid Viscosity Using Acoustic Plate Waves with In-Plane Polarization
title_full Selective Detection of Liquid Viscosity Using Acoustic Plate Waves with In-Plane Polarization
title_fullStr Selective Detection of Liquid Viscosity Using Acoustic Plate Waves with In-Plane Polarization
title_full_unstemmed Selective Detection of Liquid Viscosity Using Acoustic Plate Waves with In-Plane Polarization
title_short Selective Detection of Liquid Viscosity Using Acoustic Plate Waves with In-Plane Polarization
title_sort selective detection of liquid viscosity using acoustic plate waves with in-plane polarization
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9002693/
https://www.ncbi.nlm.nih.gov/pubmed/35408341
http://dx.doi.org/10.3390/s22072727
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