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Analysis of laminar vortex shedding behind a circular cylinder by computer-aided flow visualization

Published online by Cambridge University Press:  21 April 2006

B. E. Eaton
B. E. Eaton
Affiliation:
Thermophysics Division, National Bureau of Standards, Boulder, CO 80303, USA Present address: National Center for Atmospheric Research, P.O. Box 3000, Boulder, CO 80307, USA.
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Abstract

Streamline, streakline, and material-line flow-visualization techniques have been numerically simulated in the vortex-shedding flow field from a finite-element simulation of the two-dimensional Navier-Stokes equations at a Reynolds number of 110. The results have been used (i) to characterize the wake in terms of its critical-point trajectories, and (ii) to verify that the two-dimensional Navier-Stokes model predicts the mechanism of vortex shedding experimentally observed by Gerrard (1978). A technique for determining vorticity balances in the flow field is also presented.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 180 , July 1987 , pp. 117 - 145
Copyright
© 1987 Cambridge University Press

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