Abonnement à la biblothèque: Guest
Second Symposium on Turbulence and Shear Flow Phenomena
June, 27-29, 2001, KTH, Stockholm, Sweden

DOI: 10.1615/TSFP2

CONTROL OF A MIXING LAYER FLOW BY FLUID INJECTION : DIRECT NUMERICAL SIMULATION RESULTS

pages 241-246
DOI: 10.1615/TSFP2.1140
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RÉSUMÉ

In this paper, direct numerical simulations of a jet impacting a mixing layer are presented for purpose of flow control. Two points of view are considered: a control jet impacting Kelvin-Helmholtz eddies as well as its impact on a three-dimensional mixing layer. The control of the two-dimensional vortices with a steady control jet has permitted to built a simplified open-loop, based on the vertical velocity at the impact region, in order to actively control these vortices. Results of the control of a turbulent mixing layer show that the streamwize location of the impact is crucial

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