Investigation of Interface Oil Insufficiency in a Strain Gauge Type Pressure Sensor

Kamran Soltani; Ghader Rezazadeh; Manus Henry; Oleg Bushuev

doi:10.1007/s11220-021-00376-w

Investigation of Interface Oil Insufficiency in a Strain Gauge Type Pressure Sensor

Kamran Soltani, Ghader Rezazadeh, Manus Henry, Oleg Bushuev

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

3 Downloads (Pure)

Abstract

Strain gauge type pressure sensors are widely used in different branches of industry to measure pressure from very low to very high (1400 Mpa) values. This article investigates a strain gauge type pressure sensor that uses silicon oil within its housing to transmit working pressure from the external environment to a sensing plate. An important failure mode arises from loss/leakage of the silicon oil, whereby a portion of the internal volume is replaced by gas, usually air. Coupled nonlinear governing equations have been derived and solved in both static and dynamical states to describe the behavior of the external membrane, the interface oil including pockets of gas, and the sensing plate. Nonlinear behavior arises from the plate and membrane midplane stretching, and of course the behavior of the gas. The resulting model describes how oil loss affects the sensor performance and changes the sensor output and pressure measurable range.

Original language	English
Article number	7
Journal	Sensing and Imaging
Volume	23
Issue number	1
DOIs	https://doi.org/10.1007/s11220-021-00376-w
Publication status	Published - 13 Jan 2022
Externally published	Yes

Bibliographical note

Copyright © and Moral Rights are retained by the author(s) and/ or other copyright owners. A copy can be downloaded for personal non-commercial research or study, without prior permission or charge. This item cannot be reproduced or quoted extensively from without first obtaining permission in writing from the copyright holder(s). The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the copyright holders.

This document is the author’s post-print version, incorporating any revisions agreed during the peer-review process. Some differences between the published version and this version may remain and you are advised to consult the published version if you wish to cite from it.

Keywords

Non-linear behavior
Oil insufficiency
Oil leakage
Pressure senor
Strain gauge

ASJC Scopus subject areas

Instrumentation
Electrical and Electronic Engineering

Access to Document

10.1007/s11220-021-00376-w

Post-PrintAccepted author manuscript, 4.87 MB

Cite this

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abstract = "Strain gauge type pressure sensors are widely used in different branches of industry to measure pressure from very low to very high (1400 Mpa) values. This article investigates a strain gauge type pressure sensor that uses silicon oil within its housing to transmit working pressure from the external environment to a sensing plate. An important failure mode arises from loss/leakage of the silicon oil, whereby a portion of the internal volume is replaced by gas, usually air. Coupled nonlinear governing equations have been derived and solved in both static and dynamical states to describe the behavior of the external membrane, the interface oil including pockets of gas, and the sensing plate. Nonlinear behavior arises from the plate and membrane midplane stretching, and of course the behavior of the gas. The resulting model describes how oil loss affects the sensor performance and changes the sensor output and pressure measurable range.",

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Investigation of Interface Oil Insufficiency in a Strain Gauge Type Pressure Sensor

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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