Vortex forces on an oscillating cylinder

J. Carberry; J. Sheridan; D. Rockwell

doi:10.1115/IMECE2002-32169

Vortex forces on an oscillating cylinder

J. Carberry, J. Sheridan, D. Rockwell

Mechanical & Aerospace Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference Paper › Other

1 Citation (Scopus)

Abstract

The characteristic wake states of a cylinder undergoing forced sinusoidal oscillations transverse to the free-stream are studied by simultaneously measuring the structure of the near wake and the forces on the cylinder. The wake exhibits two distinctly different wake states. The transition between these states corresponds to a large discontinuous change in the phase of both the total and vortex forces on the cylinder, as well as the mode and phase of vortex shedding. Over the range of flow and oscillation parameters studied the vortex lift and drag phases collapse towards values that depend primarily on wake state. This is in contrast with the phase of the total lift force, which varied significantly with both A/D and Re.

Original language	English
Title of host publication	5th International Symposium on Fluid Structure Interaction, Aeroelasticity, and Flow Induced Vibration and Noise
Publisher	American Society of Mechanical Engineers (ASME)
Pages	275-281
Number of pages	7
ISBN (Print)	0791836592, 9780791836590
DOIs	https://doi.org/10.1115/IMECE2002-32169
Publication status	Published - 1 Jan 2002

Publication series

Name	ASME International Mechanical Engineering Congress and Exposition, Proceedings

Keywords

Cylinder
Drag phase
Experimental
Forced oscillations
Vortex forces

Access to Document

10.1115/IMECE2002-32169

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Carberry, J., Sheridan, J., & Rockwell, D. (2002). Vortex forces on an oscillating cylinder. In 5th International Symposium on Fluid Structure Interaction, Aeroelasticity, and Flow Induced Vibration and Noise (pp. 275-281). (ASME International Mechanical Engineering Congress and Exposition, Proceedings). American Society of Mechanical Engineers (ASME). https://doi.org/10.1115/IMECE2002-32169

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Carberry, J , Sheridan, J & Rockwell, D 2002, Vortex forces on an oscillating cylinder. in 5th International Symposium on Fluid Structure Interaction, Aeroelasticity, and Flow Induced Vibration and Noise. ASME International Mechanical Engineering Congress and Exposition, Proceedings, American Society of Mechanical Engineers (ASME), pp. 275-281. https://doi.org/10.1115/IMECE2002-32169

Vortex forces on an oscillating cylinder. / Carberry, J.; Sheridan, J.; Rockwell, D.
5th International Symposium on Fluid Structure Interaction, Aeroelasticity, and Flow Induced Vibration and Noise. American Society of Mechanical Engineers (ASME), 2002. p. 275-281 (ASME International Mechanical Engineering Congress and Exposition, Proceedings).

Research output: Chapter in Book/Report/Conference proceeding › Conference Paper › Other

TY - GEN

T1 - Vortex forces on an oscillating cylinder

AU - Carberry, J.

AU - Sheridan, J.

AU - Rockwell, D.

PY - 2002/1/1

Y1 - 2002/1/1

N2 - The characteristic wake states of a cylinder undergoing forced sinusoidal oscillations transverse to the free-stream are studied by simultaneously measuring the structure of the near wake and the forces on the cylinder. The wake exhibits two distinctly different wake states. The transition between these states corresponds to a large discontinuous change in the phase of both the total and vortex forces on the cylinder, as well as the mode and phase of vortex shedding. Over the range of flow and oscillation parameters studied the vortex lift and drag phases collapse towards values that depend primarily on wake state. This is in contrast with the phase of the total lift force, which varied significantly with both A/D and Re.

AB - The characteristic wake states of a cylinder undergoing forced sinusoidal oscillations transverse to the free-stream are studied by simultaneously measuring the structure of the near wake and the forces on the cylinder. The wake exhibits two distinctly different wake states. The transition between these states corresponds to a large discontinuous change in the phase of both the total and vortex forces on the cylinder, as well as the mode and phase of vortex shedding. Over the range of flow and oscillation parameters studied the vortex lift and drag phases collapse towards values that depend primarily on wake state. This is in contrast with the phase of the total lift force, which varied significantly with both A/D and Re.

KW - Cylinder

KW - Drag phase

KW - Experimental

KW - Forced oscillations

KW - Vortex forces

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DO - 10.1115/IMECE2002-32169

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SN - 0791836592

SN - 9780791836590

T3 - ASME International Mechanical Engineering Congress and Exposition, Proceedings

SP - 275

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BT - 5th International Symposium on Fluid Structure Interaction, Aeroelasticity, and Flow Induced Vibration and Noise

PB - American Society of Mechanical Engineers (ASME)

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Carberry J , Sheridan J, Rockwell D. Vortex forces on an oscillating cylinder. In 5th International Symposium on Fluid Structure Interaction, Aeroelasticity, and Flow Induced Vibration and Noise. American Society of Mechanical Engineers (ASME). 2002. p. 275-281. (ASME International Mechanical Engineering Congress and Exposition, Proceedings). doi: 10.1115/IMECE2002-32169

Vortex forces on an oscillating cylinder

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