Bulletin of the American Physical Society
71st Annual Meeting of the APS Division of Fluid Dynamics
Volume 63, Number 13
Sunday–Tuesday, November 18–20, 2018; Atlanta, Georgia
Session F21: Boundary Layers: Modeling and Analysis
8:00 AM–9:57 AM,
Monday, November 19, 2018
Georgia World Congress Center
Room: B309
Chair: George Park, University of Pennsylvania
Abstract ID: BAPS.2018.DFD.F21.7
Abstract: F21.00007 : Effect of Favorable Pressure Gradient and Permeable Wall on the Flow Regime in the Boundary Layer
9:18 AM–9:31 AM
Presenter:
Alexey Sakhnov
(Kutateladze Institute of Thermophysics SB RAS, Novosibirsk, Russia)
Author:
Alexey Sakhnov
(Kutateladze Institute of Thermophysics SB RAS, Novosibirsk, Russia)
The numerical model of the laminar-turbulent boundary layer was successfully tested on ERCOFTAC experimental data for transitional flows. On the basis of carried out simulations we have formed the map of flow regimes depending on the accelerated flow parameter and the gas suction/injection intensity. There are three areas of the map where transition to turbulence is fully prevented, the developed turbulence regime takes place and relaminarization occurs after the laminar-turbulent transition, respectively. A noticeable conclusion is that the gas injection into the accelerated boundary layer can suppress turbulence.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.DFD.F21.7
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