Programme and Presentations
   
 

 

 

 

 

 

 

 

 

 

 

 

WG7, Workshop about Wake Vortex Minimisation
February 9-11, 2005

ONERA-Toulouse, France

Programme

Wednesday, February 9, 2005

from 09.00
Welcoming Coffee, Registration
Chairman: Bram ELSENAAR
10.00
Welcome
M. de Gliniasty, General Scientific Director of ONERA,
E. Coustols (local organiser)
10.15- 10.30
Introduction to the workshop
A. Elsenaar, coordinator WakeNet2-Europe, Workshop Chairman
10.30-11.20
An overview of European Projects on Wake Vortices (in connection to Working Group 7 Activities "Principles of Wake Vortex Alleviation")
E. Coustols, ONERA, Toulouse, Workshop Co-Chairman
Session 1: Near-wake dynamics
11.20-11.55
Interaction of two unequal non-uniform vortices,
R.R. Trieling, G.J.F. van Heijst, T.U. Eindhoven, The Netherlands & O.U. Velasco Fuentes, CICESE, Ensenada, Mexico.
11.55-12.30
Investigation on vortex/engine-jet interaction in the near-wake of a swept wing with different engine positions,
G. Huppertz & W. Schroeder, RWTH Aachen, Germany.
12.30-14.00
Lunch
Chairman: Thomas GERZ
14.00-14.50
Invited paper:
Dynamics of trailing vortices in the extended near-wake: short-wave instability and merging,
T. Leweke, IRPHE, Marseille.
14.50-15.25
Numerical simulation of two co-rotating vortices in the extended near-field of aircraft wake,
L. Nybelen, H. Moet, R. Paoli & G. Chevalier, CERFACS, Toulouse, France.
15.25-16.00
Effect of span loading modification on the near- to mid-wake flow field,
F. Moens, J-B. Dor, L. Jacquin, P. Molton & E. Coustols, ONERA, Châtillon, Chalais-Meudon & Toulouse, France.
16.00-16.30
Coffee / Tea
Session 2: Far Wake Dynamics
16.30-17.05
Wake Vortex Alleviation Flow Field Studies,
D. Durston, NASA Ames, USA.
17.05-17.40
LES of instabilities, vortex reconnection and global decay of counter-rotating four-vortex systems,
L. Dufresne, G. Winckelmans & R. Capart, UCL Louvain la Neuve, Belgium.
17.45
Closing of first day, evening program
17.45
Bus departure
18.30
Reception at Town Hall
20.15
Dinner at Brasserie des Beaux Arts "Chez Flo"
Thursday, February 10, 2005
Chairman: Thomas LEWEKE
09.00-09.20
Commemorating our colleague Heinrich VOLLMERS by his work on Wake Vortices
Thomas Gerz, DLR, Germany.
09.20-10.10
Invited paper:
Far-field Wake Vortices: Stability and Turbulence,
L. Jacquin ONERA, Chalais-Meudon, France.
10.10-10.45
Wake Vortex decay characteristics and robustness of alleviating devices in atmospheric environments,
T. Gerz & R. Baumann, DLR Oberpfaffenhofen, Germany.
10.45-11.00
Coffee
Session 3: Control
11.00-11.35
Wake Vortex alleviation by means of passive vortex devices,
C. Bellastrada & C. Breitsamter, TUM-FLM, München, Germany.
11.35-12.10
Assessment of wake-vortex-control strategies,
J. Crouch, Boeing Commercial Airplanes, Seattle, USA.
12.10-12.45
State of the current research on wake vortex alleviation,
G. Voss, DLR, Braunschweig, Germany & E. Stumpf, DLR, Koeln, Germany.
12.45-14.00
Lunch
Chairman: Laurent JACQUIN
14.00-14.50
Invited paper:
Passive Wake Vortex Alleviation,
O. Savas, University of California, Berkeley, USA.
14.50-15.25
Boundary layer control: an effective and feasible method for wake management,
D. Greenblatt & A. E. Washburn, NASA Langley, USA.
15.25-16.00
Effect of continuous and pulsed blowing on the near- to mid-wake flow field generated behind a simple model and a generic aircraft-type model,
E. Coustols, J-B. Dor, L. Jacquin, P. Molton, F. Moens & G. Pailhas, ONERA, Châtillon, Chalais-Meudon & Toulouse, France
16.00-16.30
Coffee / Tea
16.30-17.00
Technical Evaluation
F. Laporte, Airbus Deutschland, Bremen, Germany
17.00-17.30
Discussions Sessionchaired by Bram Elsenaar
17.30-18.15
Visit of T2 transonic Wind Tunnel & THALES Water Tank

Friday, February 11, 2005

Chairman: Alain BOUTIER
09.00
Welcome
P. Kuentzmann, Deputy, General Scientific Director of ONERA,
X. de Saint Victor (local organiser)
09.10-09.50
The ONERA Joint Project
X. de Saint Victor, Project Leader, ONERA, Toulouse, France.
09.50-10.20
Coffee / Tea
10.20-11.00
Wake vortex characterization by Lidar technics: catapult and field trials,
A. Dolfi-Bouteyre & J-P. Cariou, ONERA, Palaiseau, France.
11.00-11.40
Instabilities developing in a wing tip counter rotating vortex pair: experimental evidence and control,
G. Pailhas, Y. Touvet & P. Barricau, ONERA, Toulouse, France.
11.40-12.20
Numerical simulation of exhaust dispersion and contrail formation in the near-field of an aircraft wake,
F. Garnier, ONERA, Châtillon, France, R. Paoli, CERFACS, France & P. Mirabel, CNRS Strasbourg, France.
12.20-14.00
Lunch
Chairman: Paul KUENTZMANN
14.00-14.40
Numerical simulations of wake vortices: i) behind an aircraft-type model, ii) in-ground effect, and, iii) jet-wake interaction,
O. Labbé & X. de Saint Victor, ONERA, Châtillon, Toulouse, France.
14.40-15.20
Fundamental on vortices: status and perspectives,
L. Jacquin, ONERA, Chalais-Meudon, France.
15.20-15.45
Discussion and Technical Evaluation
15.45
Closing of the meeting