| Issue |
EPJ Web Conf.
Volume 213, 2019
EFM18 – Experimental Fluid Mechanics 2018
|
|
|---|---|---|
| Article Number | 02088 | |
| Number of page(s) | 6 | |
| Section | Contributions | |
| DOI | https://doi.org/10.1051/epjconf/201921302088 | |
| Published online | 28 June 2019 | |
https://doi.org/10.1051/epjconf/201921302088
On the boundary layer structure on suction side of an airfoil
1
Institute of Thermomechanics, ASCR, v.v.i., Dolejškova 5, Praha 8, CR
2
UWB, FME, Department of Power System Engineering, Universitní 8, Plzeň, CR
* Corresponding author: uruba@it.cas.cz
Published online: 28 June 2019
The structure of boundary layer on an airfoil suction side was studied using stereo time resolved PIV technique experimentally in low Reynolds number, about 33 thousands. The mean velocity field is close to the 2D case, however the instantaneous structure is highly dynamical and 3D. Dynamics of the vortices in the boundary layer has been analysed using POD method. The results show lag of coherence in the streamwise direction, oblique patterns are detected instead.
© The Authors, published by EDP Sciences, 2019
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