TY  - JOUR
PY  - 2018//
TI  - Detached eddy-simulation of delta-wing post-stall flow control
JO  - Transportation research procedia
A1  - Buzica, Andrei
A1  - Biswanger, Manuel
A1  - Breitsamter, Christian
SP  - 46
EP  - 57
VL  - 29
IS  - 
N2  - Flow control can significantly improve the aerodynamic performances of delta wings. Yet, despite numerous studies of vortex control by leading-edge blowing still little research is focused on the post-stall regime and further consideration of the shear-layer reattachment through flow control is needed. This paper reports on the effects of unsteady jets on the global flow field at a very high angle of attack, α = 45◦. For this, Detached-Eddy Simulations are conducted and validated with wind tunnel test results. The vortex shedding of the unperturbed delta-wing flow is investigated and compared to the perturbed case. It concludes that unsteady blowing energizes the shear layer and reorders at the same time the shedding mechanism eventually forming a big burst vortex structure that increases the lift significantly.<p />  <p>Language: en</p>
LA  - en
SN  - 2352-1465
UR  - http://dx.doi.org/10.1016/j.trpro.2018.02.005
ID  - ref1
ER  -