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Flow and turbulence in the boundary layer wind tunnel controlled using various hardware devices
- 1.0460470 - ÚTAM 2017 RIV US eng C - Conference Paper (international conference)
Kuznetsov, Sergeii - Ribičić, M. - Pospíšil, Stanislav - Plut, M. - Trush, Arsenii - Kozmar, H.
Flow and turbulence in the boundary layer wind tunnel controlled using various hardware devices.
8th International Colloquium on Bluff Body Aerodynamics and Applications. Boston: Northeastern University, 2016, č. článku 157..
[International Colloquium on Bluff Body Aerodynamics and Applications /8./. Boston (US), 07.06.2016-11.06.2016]
R&D Projects: GA MŠMT(CZ) LO1219; GA ČR(CZ) GA14-12892S
Keywords : atmospheric boundary layer * wind-tunnel simulation * separate influences of various hardware devices
Subject RIV: JM - Building Engineering
Extensive measurements are carried out in the boundary layer wind tunnel to distinguish between separate influences of various hardware devices on flow and turbulence characteristics, as well as on the simulated atmospheric boundary layer. The velocity is measured using hot-wire at various positions in the wind-tunnel test section. Experimental results are reported as vertical profiles of mean flow velocity, turbulence intensity and length scales of turbulence. The barrier is observed to cause a decrease in flow velocity and an increase in turbulence close to surface. Vortex generators enhance turbulence throughout the entire height range under scope. Increased turbulence and decreased flow velocity are particularly exhibited close to surface due to surface roughness. Influence of each of the hardware devices is quantified in a dimensionless form.
Permanent Link: http://hdl.handle.net/11104/0260539
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