Flow control in S-Shaped air intake using zero-net-mass-flow

R. Mathis, D. Duke, V. Kitsios, J. Soria

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Flow control using zero-net-mass-flow jets in a twodimensional model of an S-Shaped air intake diffuser was investigated. Experiments were conducted in a channel flow facility at a Reynolds number of Re = 8×10 4 with particular image velocimetry measurements in the symmetry plane of the duct. In the natural configuration, separation of the boundary layer occurs in a region of the duct with a high degree of curvature. A stability analysis of the wall normal profile at the location of the applied control is presented and estimates the most effective frequency of the actuator. Time-averaged velocity fields show total reattachment of the boundary layer using active flow control.

Original languageEnglish
Title of host publicationProceedings of the 16th Australasian Fluid Mechanics Conference, 16AFMC
Number of pages7
Publication statusPublished - 1 Dec 2007
EventAustralasian Fluid Mechanics Conference 2007 - Crown Plaza, Gold Coast, Australia
Duration: 3 Dec 20077 Dec 2007
Conference number: 16th


ConferenceAustralasian Fluid Mechanics Conference 2007
Abbreviated title16AFMC
CityGold Coast

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