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Fluid Density Sensing Using PMUTs

Roy, K and Gupta, H and Shastri, V and Dangi, A and Pratap, R (2018) Fluid Density Sensing Using PMUTs. In: 17th IEEE SENSORS Conference, SENSORS 2018, 28-31 october 2018, New Delhi.

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Official URL: https://doi.org/10.1109/ICSENS.2018.8589662


We present a novel method of monitoring liquid condition by tracking density which may find application in various micro as well as macro systems. It is based on transmission of ultrasound waves through liquids and employs Piezoelectric Micromachined Ultrasound Transducers (PMUTs) for actuation and reception. The PMUT-Fluid-PMUT (P-F-P) arrangement forms the entire system whose ability can be customized depending on the targeted application. In this article we discuss various aspects of making P-F-P system and experimentally show that P-F-P can be one of the most effective liquid condition monitoring systems in the near future.

Item Type: Conference Paper
Publication: Proceedings of IEEE Sensors
Publisher: Institute of Electrical and Electronics Engineers Inc.
Additional Information: The copyright for this article belongs to the Institute of Electrical and Electronics Engineers Inc.
Keywords: Liquids; Ultrasonic transducers, Added mass; Entire system; Fluid densities; Liquid condition monitoring; Macro systems; Micromachined ultrasound transducers; PMUT; Ultrasound waves, Condition monitoring
Department/Centre: Division of Interdisciplinary Sciences > Centre for Nano Science and Engineering
Date Deposited: 29 Jul 2022 09:48
Last Modified: 29 Jul 2022 09:48
URI: https://eprints.iisc.ac.in/id/eprint/75044

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