Measurement stability of oil filled flexural ultrasonic transducers across sequential in-situ pressurization cycles

A Feeney, WE Somerset, S Adams… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
Recently, flexural ultrasonic transducers (FUTs) for ultrasound measurement toward 200 bar
were demonstrated, overcoming the major limitation of commercial variants associated with …

Oil filled flexural ultrasonic transducers for resilience in environments of elevated pressure

WE Somerset, A Feeney, L Kang, Z Li… - 2021 IEEE …, 2021 - ieeexplore.ieee.org
In recent years, flexural ultrasonic transducers (FUTs) have gained popularity in a wider
scope of applications, due to their robust design and efficient coupling to different fluids …

Design and dynamics of oil filled flexural ultrasonic transducers for elevated pressures

WE Somerset, A Feeney, L Kang, Z Li… - IEEE Sensors …, 2022 - ieeexplore.ieee.org
The flexural ultrasonic transducer has traditionally been limited to proximity measurement
applications, such as car-parking systems and industrial metrology. Principally, their …

Venting in the comparative study of flexural ultrasonic transducers to improve resilience at elevated environmental pressure levels

A Feeney, L Kang, WE Somerset… - IEEE Sensors …, 2020 - ieeexplore.ieee.org
The classical form of a flexural ultrasonic transducer is a piezoelectric ceramic disc bonded
to a circular metallic membrane. This ceramic induces vibration modes of the membrane for …

The influence of air pressure on the dynamics of flexural ultrasonic transducers

A Feeney, L Kang, WE Somerset, S Dixon - Sensors, 2019 - mdpi.com
The flexural ultrasonic transducer comprises a piezoelectric ceramic disc bonded to a
membrane. The vibrations of the piezoelectric ceramic disc induce flexural modes in the …

Flexural Ultrasonic Transducers with Nonmetallic Membranes

S Adams, AH Chibli, WE Somerset… - 2023 IEEE …, 2023 - ieeexplore.ieee.org
The flexural ultrasonic transducer is a sensor primarily composed of a circular metallic
membrane, to which a piezoelectric ceramic disc is bonded. The vibrations generated from …

Higher order modal dynamics of the flexural ultrasonic transducer

A Feeney, L Kang, S Dixon - Journal of Physics D: Applied …, 2021 - iopscience.iop.org
The flexural ultrasonic transducer (FUT) consists of a piezoelectric ceramic bonded to an
edge-clamped elastic plate, for both generation and detection of ultrasound waves. It is …

[PDF][PDF] Mass Fraction Measurements in Controlled Oil-Water Flows Using Noninvasive Ultrasonic Sensors

E Pereyra, C Webb, ME Gonzalez - academia.edu
Controlled flow rate tests using mixtures of crude oil and water at different mass fractions
were carried out in a flow loop at the University of Tulsa. A noninvasive acoustic method …

High temperature flexible ultrasonic transducers for structural health monitoring and NDT

JL Shih, M Kobayashi, CK Jen, J Tatibouet, N Mrad - 2009 - osti.gov
Ultrasonic techniques are often used for non-destructive testing (NDT) and structural health
monitoring (SHM) of pipes in nuclear and fossil fuel power plants, petrochemical plants and …

The dynamic performance of flexural ultrasonic transducers

A Feeney, L Kang, G Rowlands, S Dixon - Sensors, 2018 - mdpi.com
Flexural ultrasonic transducers are principally used as proximity sensors and for industrial
metrology. Their operation relies on a piezoelectric ceramic to generate a flexing of a …