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Estimation of particle size distributions in solid/liquid suspensions based on wide-band ultrasound attenuation measurements
Luleå tekniska universitet, Institutionen för system- och rymdteknik, Signaler och system.ORCID-id: 0000-0002-6216-6132
2010 (Engelska)Ingår i: IEEE International Ultrasonics Symposium, IUS 2010: San Diego, CA; 11 October 2010 through 14 October 2010, Piscatawary, NJ: IEEE Communications Society, 2010, s. 707-710Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

This paper demonstrates a strategy for rapid estimation of particle size distributions based on wide-band ultrasound attenuation measurement in solid/liquid suspensions. The excess attenuation due to the presence of particle is first measured as a function of frequency, in a suspension of known particle mass fraction. A model of this attenuation that incorporates the dependency of ultrasound frequency, particle mass fraction, and particle size distribution is then required. An algorithm is then presented that estimates the parameters of the underlying model, thus obtaining an estimate of the particle size distribution. The algorithm is evaluated with numerical simulations as well as measurement on suspensions of Dolomite particles. The results show that the estimated particle size distribution agrees with what is to be expected from the mechanical sieving used in preparation of the samples.

Ort, förlag, år, upplaga, sidor
Piscatawary, NJ: IEEE Communications Society, 2010. s. 707-710
Serie
I E E E International Ultrasonics Symposium. Proceedings, ISSN 1051-0117
Nationell ämneskategori
Signalbehandling
Forskningsämne
Signalbehandling
Identifikatorer
URN: urn:nbn:se:ltu:diva-27829DOI: 10.1109/ULTSYM.2010.5935554Scopus ID: 80054064583Lokalt ID: 16208c10-59a2-11df-b6eb-000ea68e967bISBN: 978-1-4577-0382-9 (tryckt)OAI: oai:DiVA.org:ltu-27829DiVA, id: diva2:1001020
Konferens
IEEE International Ultrasonics Symposium : 11/10/2010 - 14/10/2010
Anmärkning
Validerad; 2011; 20110823 (andbra)Tillgänglig från: 2016-09-30 Skapad: 2016-09-30 Senast uppdaterad: 2017-11-25Bibliografiskt granskad

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Carlson, Johan E.

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