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Turbulent flow

Our main pages on this subject:

1.Simulation of the noise of landing gear through CFD - ONERA's Science Pictures
 This noise is a result of multiple interactions between the turbulent flows and the various elements that make up the cell.... Appearance of the turbulent flow on a background of non-structured mesh [ Cedre Calculation ]... Technique for the solving of turbulent flow equations in which the large scales of movement are solved explicitly while the small scales (smaller that the calculation meshes) are modeled by a " vortical viscosity " term....
 
2.Noise pollution - New tools for numerical simulations
 First aerodynamic-aero-acoustic chaining created with an exchange surface crossed by a turbulent flow (" LES " CFD - " Euler " CAA).... This first aerodynamic-aero-acoustic chaining, created with an exchange surface crossed by a turbulent flow, opens the way to future complete aero-acoustic computations for configurations that are today impossible using non-coupled CFD * (Computational Fluid Dynamics) and CAA * (Computational Aero-Acoustics) tools. : see below...
 
3.Combining scale models for the best... in the best way - Zoom in the Lab
 Detail of a model of turbulent flow in the vicinity of an aircraft bay... " We are assuming that the angle of stall depends on the transition between a laminar (regular) flow and a turbulent flow (one that generates vortices) ", adds Ivan Mary.... Downstream from the transition, the turbulent flow is calculated using statistical methods....
 
4.DAFE Computation Codes - ONERA / DAFE-EN
 Modelling of turbulent separated flows : afterbody flows and internal flows and jets...
 
5.An Academy of Sciences prize awarded to Laurent Jacquin - Onera
 Laurent Jacquin's work especially concerns the effects of rotation and the effects of compressibility on turbulent flows....
 
6.Fundamental and Experimental Aerodynamics - ONERA / DAFE
 In priority, the work covers : separated turbulent flows, the formation and development of vortexes shock phenomena, in particular, shock interferences and shock wave / boundary layer interactions, turbulence, unsteady effects and instabilities in free flowsz...
 
7.Turbulent Flow along a Sheet - ONERA's Science Pictures
 Turbulent Flow along a Sheet - ONERA's Science PicturesWho are we ?Science Pictures... Turbulent Flow along a Sheet copyright © ONERA 1996-2006. Turbulent flow along a sheet without longudinal pressure gradient. (Visualization with liquid dye tracers). (). Pictures.
 
8.odas2011
 On Improvements in Turbulent Flows Prediction Thanks To SST-SAS Model...
 
9.Conference - Turbulence and Interactions - Porquerolles - 29 May - 2 June 2006
 DNS of a turbulent channel flow with streamwise rotation at different Reynolds numbers... Large eddy simulation of rotating turbulent channel flow... Large eddy simulation of multi-component compressible turbulent flows using high resolution methods... Exact coherent structures in turbulent shear flows...
 
10.Conference - Turbulence and Interactions - Porquerolles - 29 May - 2 June 2006
 T. Gatski (LEA Poitiers) : " Results from Simulating and Modeling Compressible Turbulent Flows "... On Reynolds stress anisotropy in some compressible wall-bounded and free turbulent flows "...
 


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