| Issue |
EPJ Web Conf.
Volume 213, 2019
EFM18 – Experimental Fluid Mechanics 2018
|
|
|---|---|---|
| Article Number | 02093 | |
| Number of page(s) | 5 | |
| Section | Contributions | |
| DOI | https://doi.org/10.1051/epjconf/201921302093 | |
| Published online | 28 June 2019 | |
https://doi.org/10.1051/epjconf/201921302093
The second frequencies in the wake behind two circular cylinders
1
Czech Technical University in Prague, Department of Fluid Dynamics and Thermodynamics, 16607 Prague, Czech Republic
2
National Defence Academy of Japan, Department of Mechanical Engineering, 1-10-20 Hashirimizu, Yokosuka 239-8686, Japan
* Corresponding author: rut.vitkovicova@fs.cvut.cz
Published online: 28 June 2019
The wake behind the cylinders is often characterized by a dominant frequency and dimensionless Strouhal number. However, the experiments performed using the CTA and visualization method and their analysis revealed that other significant frequencies were present in the wake. With the Proper Orthogonal Decomposition analysis, connections between these frequencies and their own eigenmodes were found.
© The Authors, published by EDP Sciences, 2019
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