Controlled oscillations of a cylinder: A new wake state

J. Carberry, J. Sheridan, D. Rockwell

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The wake states resulting from the controlled oscillation of a cylinder transverse to the free stream are presented. A new wake state is revealed by instantaneous measurements of the total and vortex lift phases, and the phase-referenced, quantitative wake structure. This "intermediate wake state" occurs at oscillation frequencies between the previously observed low- and high-frequency states. It cannot be deduced from classical, time-averaged representations of the loading on the cylinder.

Original languageEnglish
Pages (from-to)337-343
Number of pages7
JournalJournal of Fluids and Structures
Issue number2
Publication statusPublished - 1 Feb 2003

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