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

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

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Abstract

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
Pages892-898
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

Conference

ConferenceAustralasian Fluid Mechanics Conference 2007
Abbreviated title16AFMC
CountryAustralia
CityGold Coast
Period3/12/077/12/07

Cite this

Mathis, R., Duke, D., Kitsios, V., & Soria, J. (2007). Flow control in S-Shaped air intake using zero-net-mass-flow. In Proceedings of the 16th Australasian Fluid Mechanics Conference, 16AFMC (pp. 892-898)