This study investigates the triggering of vortex shedding by transverse and in-line forced oscillation of a circular cylinder placed in a uniform stream below the critical Reynolds number 47. The effect of Reynolds number, frequency and amplitude of cylinder oscillation is investigated numerically. The effect of Reynolds number, amplitude of oscillation, and frequency of oscillation is investigated. Time-mean and rms values of lift, drag, base pressure, and torque coefficients, as well as mechanical energy transfer, are plotted against Reynolds number and amplitude of oscillation. Periodic vortex shedding is more easily triggered for a cylinder oscillated transversely than for in-line oscillation. Lower Reynolds number, amplitude of oscillation, and time is needed to reach periodic vortex shedding for the transversely oscillated cylinder.
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ASME 2009 Pressure Vessels and Piping Conference
July 26–30, 2009
Prague, Czech Republic
Conference Sponsors:
- Pressure Vessels and Piping
ISBN:
978-0-7918-4367-3
PROCEEDINGS PAPER
Triggering of Vortex Shedding by Cylinder Oscillation for Reynolds Number Under 47 Available to Purchase
La´szlo´ Baranyi
La´szlo´ Baranyi
University of Miskolc, Miskolc, Hungary
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La´szlo´ Baranyi
University of Miskolc, Miskolc, Hungary
Paper No:
PVP2009-77611, pp. 317-324; 8 pages
Published Online:
July 9, 2010
Citation
Baranyi, L. "Triggering of Vortex Shedding by Cylinder Oscillation for Reynolds Number Under 47." Proceedings of the ASME 2009 Pressure Vessels and Piping Conference. Volume 4: Fluid-Structure Interaction. Prague, Czech Republic. July 26–30, 2009. pp. 317-324. ASME. https://doi.org/10.1115/PVP2009-77611
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