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Interaction between two spheres placed in tandem arrangement in steady and pulsating flow
KTH, School of Engineering Sciences (SCI), Mechanics.ORCID iD: 0000-0001-9976-8316
2009 (English)In: International Journal of Multiphase Flow, ISSN 0301-9322, E-ISSN 1879-3533, Vol. 35, no 10, 963-969 p.Article in journal (Refereed) Published
Abstract [en]

The interaction among two spheres in tandem formation are studied for a Reynolds number of 300 using both steady and pulsating inflow conditions. The purpose is to further investigate the force characteristics as well as the shedding patterns of the two spheres as the separation distance is changed from 1.5 to 12. sphere diameters. The method used for the simulations is the volume of solid (VOS) method, an approach based on the volume of fluid (VOF) method. Comparisons with other computational methods have shown VOS to accurately resolve the flow field around solid spheres. The results show that the separation distance plays a significant role in changing the flow patterns and shedding frequencies at moderate separation distances, whereas effect on drag is observed even at a separation distance of 12 diameters.

Place, publisher, year, edition, pages
2009. Vol. 35, no 10, 963-969 p.
Keyword [en]
Dual particles, Tandem formation, Interaction, Volume of solid (VOS)
National Category
Fluid Mechanics and Acoustics
Identifiers
URN: urn:nbn:se:kth:diva-32852DOI: 10.1016/j.ijmultiphaseflow.2009.05.001ISI: 000270623700010Scopus ID: 2-s2.0-69249202464OAI: oai:DiVA.org:kth-32852DiVA: diva2:412641
Funder
Swedish Research Council
Note
QC 20110426Available from: 2011-04-26 Created: 2011-04-21 Last updated: 2017-12-11Bibliographically approved

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Prahl, Lisa

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