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Derivation of a segregation-mixing equation for particles in a fluid medium
KTH, School of Computer Science and Communication (CSC), Numerical Analysis and Computer Science, NADA.
2009 (English)In: Applied mathematics and mechanics, ISSN 0253-4827, E-ISSN 1573-2754, Vol. 30, no 6, 765-770 p.Article in journal (Refereed) Published
Abstract [en]

The main purpose of this work is to show that the gravity term of the segregation-mixing equation of fine mono-disperse particles in a fluid can be derived from first-principles (i.e., elementary physics). Our derivation of the gravity-driven flux of particles leads to the simplest case of the Richardson and Zaki correlation. Stokes velocity also naturally appears from the physical parameters of the particles and fluid by means of derivation only. This derivation from first-principle physics has never been presented before. It is applicable in small concentrations of fine particles.

Place, publisher, year, edition, pages
2009. Vol. 30, no 6, 765-770 p.
National Category
Mathematics
Identifiers
URN: urn:nbn:se:kth:diva-32121DOI: 10.1007/s10483-009-0610-6ISI: 000266779700010Scopus ID: 2-s2.0-67649996407OAI: oai:DiVA.org:kth-32121DiVA: diva2:409076
Note
QC 20110407Available from: 2011-04-07 Created: 2011-04-07 Last updated: 2017-12-11Bibliographically approved

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