Estimating particle concentration using passive ultrasonic measurement of impact vibrations

G. Carson; A.J. Mulholland; A. Nordon; M. Tramontana; A. Gachagan; G. Hayward

doi:10.1109/TUFFC.2009.1043

Estimating particle concentration using passive ultrasonic measurement of impact vibrations

G. Carson, A.J. Mulholland, A. Nordon, M. Tramontana, A. Gachagan, G. Hayward

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Abstract

A method of obtaining particle size and concentration information, from ultrasonic transducer measurements of particle-wall interactions in a particle laden fluid, is presented. A mathematical model of the flexural vibrations of the vessel wall due to the particle impact is constructed. The key component of this model is the derivation of an analytic expression for the impact force amplitude. An analytic expression for the power spectrum is then obtained that shows its explicit dependency on the system parameters. This spectrum is then integrated over a specific frequency range and a comparison with experimental results is reported.

Original language	English
Pages (from-to)	345-352
Number of pages	8
Journal	IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
Volume	56
Issue number	2
DOIs	https://doi.org/10.1109/TUFFC.2009.1043
Publication status	Published - Feb 2009

Keywords

ultrasonic transducers
ultrasonic measurement
vibration measurement

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10.1109/TUFFC.2009.1043

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AU - Gachagan, A.

AU - Hayward, G.

PY - 2009/2

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N2 - A method of obtaining particle size and concentration information, from ultrasonic transducer measurements of particle-wall interactions in a particle laden fluid, is presented. A mathematical model of the flexural vibrations of the vessel wall due to the particle impact is constructed. The key component of this model is the derivation of an analytic expression for the impact force amplitude. An analytic expression for the power spectrum is then obtained that shows its explicit dependency on the system parameters. This spectrum is then integrated over a specific frequency range and a comparison with experimental results is reported.

AB - A method of obtaining particle size and concentration information, from ultrasonic transducer measurements of particle-wall interactions in a particle laden fluid, is presented. A mathematical model of the flexural vibrations of the vessel wall due to the particle impact is constructed. The key component of this model is the derivation of an analytic expression for the impact force amplitude. An analytic expression for the power spectrum is then obtained that shows its explicit dependency on the system parameters. This spectrum is then integrated over a specific frequency range and a comparison with experimental results is reported.

KW - ultrasonic transducers

KW - ultrasonic measurement

KW - vibration measurement

U2 - 10.1109/TUFFC.2009.1043

DO - 10.1109/TUFFC.2009.1043

M3 - Article

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JO - IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control

JF - IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control

IS - 2

ER -

Estimating particle concentration using passive ultrasonic measurement of impact vibrations

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