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Experimental observations of instabilities in rotating plane Couette flow
KTH, School of Engineering Sciences (SCI), Mechanics, Fluid Physics.ORCID iD: 0000-0002-1146-3241
KTH, School of Engineering Sciences (SCI), Mechanics.
2007 (English)In: Physics of fluids, ISSN 1070-6631, E-ISSN 1089-7666, Vol. 19, no 4Article in journal (Refereed) Published
Abstract [en]

The transition from the two-dimensional (2D) longitudinal roll cell state to 3D flows in the rotating plane Couette system, predicted by the theoretical investigation [M. Nagata, J. Fluid Mech. 358, 357 (1998)], is examined experimentally. The streamwise and spanwise wave numbers of observed steady 3D flows seem to agree with those predicted by the theory when the rotation rate is relatively large. However, we observe unsteady 3D states in the region where the theory predicts stable steady 3D flows when the rotation rate is small.

Place, publisher, year, edition, pages
2007. Vol. 19, no 4
URN: urn:nbn:se:kth:diva-16592DOI: 10.1063/1.2716767ISI: 000246072700034ScopusID: 2-s2.0-34248176298OAI: diva2:334634
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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