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A simple scattering model for measuring particle mass fractions in multiphase flows
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.ORCID iD: 0000-0002-6216-6132
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
2002 (English)In: Ultrasonics, ISSN 0041-624X, E-ISSN 1874-9968, Vol. 39, no 8, 585-590 p.Article in journal (Refereed) Published
Abstract [en]

In this paper we present a simple theoretical model of how pulsed ultrasound is attenuated by the particles in a solid/liquid flow. The theoretical model is then used to predict the attenuation of sound, given the mass fraction, the density, and the size distribution of the solid particles. The model is verified experimentally for suspensions of 0–10% (by mass) Dolomite ((Ca,Mg)CO3) particles and water. The experimental results show that the attenuation of sound due to particles varies linearly with mass fraction, and that the proposed theoretical model can be used to predict this attenuation. In all experiments the transmitter and receiver array were clamped onto the pipe wall, thus providing a completely non-invasive and non-intrusive measurement technique.

Place, publisher, year, edition, pages
2002. Vol. 39, no 8, 585-590 p.
National Category
Signal Processing
Research subject
Signal Processing
Identifiers
URN: urn:nbn:se:ltu:diva-3932DOI: 10.1016/S0041-624X(02)00263-9Local ID: 1c76d380-5483-11db-9592-000ea68e967bOAI: oai:DiVA.org:ltu-3932DiVA: diva2:976794
Note
Validerad; 2002; 20061005 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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