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Experimental and numerical investigation of separation controlled flow over hump

DOI: 10.1615/ICHMT.2012.ProcSevIntSympTurbHeatTransfPal.880
pages 821-827

T. Hyhlik
Faculty of Mechanical Engineering, Czech Technical University in Prague, Technická 4, 166 07 Prague 6, Czech Republic

Milan Matejka
Czech Technical University in Prague, Faculty of Mechanical Engineering, Czech Republic; Instytute of Fluid-Flow Machinery, Polish Academy of Science, Gdansk, Poland

V. Skala
Department of Fluid Dynamics and Thermodynamics, Faculty of Mechanical Engineering, Czech Technical University in Prague, Prague, Czech republic

P. Doerffer
The Szewalski Institute of Fluid-Flow Machinery, Polish Academy of Sciencies, Fiszera 14, 80-231 Gdansk, Poland


Separation controlled flow over the hump is measured by using hot wire anemometry and computed by using Delayed Detached Eddy Simulation variant of SST k−ω model. Flow is controlled by using author's design of synthetic jet actuator. Vortex structures behind the hump are visualized. Results of the numerical computation using Ansys Fluent code and from the measurement are compared in the traversing plane behind the wall hump. Normalized deviation of measured velocity reaches its maxima close to the 60 % near the side walls.

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