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Active control of flows with trapped vortices

Record type: Conference or Workshop Item (Poster)

An approach to developing active control strategies for high Reynolds number flows with trapped vortices is presented. The problem considered is the stabilisation of the vortex in a special cavity on the airfoil using suction as an actuator. The flow dynamics are modelled by the parallel discrete vortex method capable of handling wall irregularities, arbitrary boundary conditions, and turbulence. System identification is performed based on the open-loop analysis with the constant flow rate suction. Feedback control results show that a properly designed linear PI controller prevents the large-scale vortex shedding from the cavity region and reduces considerably flow unsteadiness in the downstream boundary layer.

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Citation

Kerimbekov, R.M. and Tutty, O.R. (2007) Active control of flows with trapped vortices At IUTAM Symposium on Unsteady Separated Flows and their Control. 18 - 22 Jun 2007. 5 pp, pp. 1-5. (Submitted).

More information

Submitted date: 2007
Venue - Dates: IUTAM Symposium on Unsteady Separated Flows and their Control, 2007-06-18 - 2007-06-22
Keywords: trapped vortex, discrete vortex method, feedback control design
Organisations: Aerodynamics & Flight Mechanics

Identifiers

Local EPrints ID: 49023
URI: http://eprints.soton.ac.uk/id/eprint/49023
PURE UUID: 896837f2-1afb-4bb0-b05d-51caea8ed099

Catalogue record

Date deposited: 19 Oct 2007
Last modified: 17 Jul 2017 14:57

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