Ultrasonic particle sizing in aqueous suspensions of solid particles of unknown density

Al-Lashi, RS ORCID: https://orcid.org/0000-0002-7775-8181 and Challis, RE, 2015. Ultrasonic particle sizing in aqueous suspensions of solid particles of unknown density. The Journal of the Acoustical Society of America, 138 (2), pp. 1023-1029. ISSN 0001-4966

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Abstract

Estimates of particle size distributions (PSDs) in solid-in-liquid suspensions can be made on the basis of measurements of ultrasonic wave attenuation combined with a mathematical propagation model, which typically requires seven physical parameters to describe each phase of the mixture. The estimation process is insensitive to all of these except the density of the solid particles, which may not be known or difficult to measure. This paper proposes that an unknown density value is incorporated into the sizing computation as a free variable. It is shown that this leads to an accurate estimate of PSD, as well as the unknown density.

Item Type:	Journal article
Publication Title:	The Journal of the Acoustical Society of America
Creators:	Al-Lashi, R.S. and Challis, R.E.
Publisher:	AIP Publishing
Date:	2015
Volume:	138
Number:	2
ISSN:	0001-4966
Identifiers:	Number Type 10.1121/1.4927694 DOI
Divisions:	Schools > School of Science and Technology
Record created by:	Jonathan Gallacher
Date Added:	14 Mar 2018 13:49
Last Modified:	14 Mar 2018 13:49
URI:	https://irep.ntu.ac.uk/id/eprint/32978

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