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Large Eddy Simulation of Transonic Flow with Shock Wave/Turbulent Boundary Layer Interaction

Christian Wollblad (Institutionen för tillämpad mekanik, Strömningslära) ; Lars-Erik Eriksson (Institutionen för tillämpad mekanik, Strömningslära) ; Lars Davidson (Institutionen för tillämpad mekanik, Strömningslära)
AIAA Journal (0001-1452). Vol. 44 (2006), 10, p. 2340-2353.
[Artikel, refereegranskad vetenskaplig]

Large eddy simulation was made of transonic flow over a two-dimensional bump where shock wave turbulent boundary layer interaction takes place. Grid refinement and the effect of the domain width were investigated. Special care was taken to ensure physically correct inlet boundary conditions. The shock wave turbulent boundary layer interaction induces strong separation of the boundary layer and events such as bursting events in the incoming boundary layer, and creation of large flow scale structures behind the shock are detected. However, the shock features no large scale movement even though, according to several sources, the prerequisites for such movement are fulfilled.

Nyckelord: LES, shock, turbulent boundary layer



Denna post skapades 2006-10-27. Senast ändrad 2007-06-27.
CPL Pubid: 22974

 

Institutioner (Chalmers)

Institutionen för tillämpad mekanik, Strömningslära

Ämnesområden

Strömningsmekanik

Chalmers infrastruktur

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Transonic flow: large eddy simulation, numerical methods and subgrid modeling