Abstract
The Strouhal-Reynolds number relationship for the two-dimensional (2-D) vortex shedding of a circular cylinder at low to medium Reynolds numbers (Re, ranging from 45 to 560) is investigated experimentally. Both horizontal and vertical soap film tunnels are used to set up a truly 2-D experiment. It is found that two separate 3-D instabilities of the natural wake at Re ≅ 180 and 260 disappear. The Strouhal-Reynolds number curve is in good agreement with the 2-D computations of Barkley and Henderson [J. Fluid Mech. 322, 215 (1996)]. The 2-D asymptote of 0.2417 of Strouhal number is also approached.
| Original language | English |
|---|---|
| Pages (from-to) | 557-558 |
| Number of pages | 2 |
| Journal | Physics of Fluids |
| Volume | 13 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 1 Mar 2001 |
| Externally published | Yes |
ASJC Scopus subject areas
- Mechanics of Materials
- Computational Mechanics
- General Physics and Astronomy
- Fluid Flow and Transfer Processes
- Condensed Matter Physics
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