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Ultrasound measurements in moving multi-phase suspensions
1998 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

In many industrial applications, non-invasive measurements of different flows play an important role. For flows consisting of only one phase, such as water or gas, there are several methods available. Most of these methods, however, are not applicable to multi-phase flows, such as paper fibre suspensions or iron ore slurry. The overall goal of this project is to develop a method for measuring multi-phase flows with ultrasound. In this thesis, as a first step of the project, we use ultrasound to identify some of the physical phenomena occuring in a medium. We have examined the effects of absorption, dispersion, and scattering for different concentrations of solid particles in water. The results indicate that particle concentration as well as other properties, such as temperature and particle size, significantly affect the recieved signal.

Place, publisher, year, edition, pages
Keyword [en]
Technology, ultrasound, multi-phase flows, measurement
Keyword [sv]
URN: urn:nbn:se:ltu:diva-43667ISRN: LTU-EX--98/037--SELocal ID: 18256a67-9429-4ff5-a47b-37214066f28fOAI: diva2:1016907
Subject / course
Student thesis, at least 30 credits
Educational program
Computer Science and Engineering, master's level
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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