5th ERCOFTAC SIG 33
workshop
Laminar-Turbulent
Transition Mechanisms, Prediction and Control
Nässlingen, Stockholm , Sweden
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2006-05-31 |
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Boat
from Åsättra brygga to Nässlingen |
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Welcome |
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Session
1, Chairman : Stefan Hein |
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Tom Mullin |
The
transition to and from turbulence in a pipe T.
Mullin |
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Per-Olov Åsén |
Direct
numerical simulation of pipe flow P.-O. Åsén |
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Dinner |
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2006-06-01 |
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Session 2, Chairman: Tom Mullin |
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Ulrich Rist |
Active
control of laminar-turbulent transition using instantaneous wall vorticity U.
Rist & C. Gmelin |
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Jérôme Hœpffner |
Control
and estimation using stochastic methods J. Hœpffner&
D.S. Henningson |
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Mattias Chevalier |
Feedback
control in spatially growing boundary layers M.P.
Chevalier, J. Hœpffner, E. Åkervik & D.S. Henningson |
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Coffee
break |
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Session 3, Chairman: Ulrich Rist |
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Philipp Schlatter |
Steady
solution of the Navier-Stokes equations by selective frequency damping E.
Åkervik, L. Brandt, D.S. Henningson, J. Hœpffner, O. Marxen & Ph.
Schlatter |
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Olaf Marxen |
Steady-State
laminar separation bubbles and their global instability O.
Marxen & D.S. Henningson |
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Espen Åkervik |
Control
of cavity-driven separated boundary layer E.
Åkervik, J. Hœpffner, U. Ehrenstein & D.S. Henningson |
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Lunch |
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Session 4, Chairman: Carlo Cossu |
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Luca Brandt |
Late
stages of transition in flat-plate boundary layers L.
Brandt |
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Valery Chernoray |
Visualization
of sinusoidal and varicose instabilities of streaks in a boundary layer V.G.
Chernoray, V.V. Kozlov & L. Löfdahl |
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H.C. de Lange |
Transient
growth induced breakdown and 'direct' breakdown J.
Mans, H.C. de Lange & A.A. van Steenhoven |
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Coffee
break |
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Session 5, Chairman: Grégoire Casalis |
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Michael Thomas |
Secondary
instability on streaks in an asymptotic suction boundary layer M.K.
Thomas & J.H.M. Fransson |
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Carlo Cossu |
Delaying
transition to turbulence by a passive
mechanism J.H.M.
Fransson, A. Talamelli, L. Brandt & C. Cossu |
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Martin Byström |
Optimal
disturbances in the Falkner-Skan-Cooke boundary layers M. Byström,
A. Hanifi & D.S. Henningson |
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Carl-Gustav Unckel |
Nonlinear
PSE analysis of control of cross-flow disturbances in supersonic boundary
layers by means of micron-sized roughness elements C.-G.
Unckel, A. Hanifi & D.S. Henningson |
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Dinner |
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2006-06-02 |
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Session 6, Chairman: H.C. de Lange |
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Carlo Cossu |
Secondary
optimal growth in channel flow C.
Cossu, M.P. Chevalier & D.S. Henningson |
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Stefan Hein |
High-frequency
secondary instability modeled by nonlinear PSE S.
Hein |
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Shervin Bagheri |
Nonlinear
PSE simulations of the development of TS waves in the presence of optimal
streaks S.
Bagheri & A. Hanifi |
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Coffee
break |
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Session 7, Chairman: Luca Brandt |
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Grégoire Casalis |
Use
of the PSE approach for the inviscid jet flow instability and noise
prediction. Comparison with Linearized Euler Equations predictions E.
Piot & G. Casalis |
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Gunilla Efraimsson |
Sound
prediction in conjuncture with flow control A. Kierkegaard
& G. Efraimsson |
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Lunch |
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Departure |
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