21st Workshop of the Aeroacoustics Specialists Committee of the CEAS Programme

2017,

13th - 15th September

21st Workshop of the Aeroacoustics Specialists Committee of the CEAS

Conference Programme

Wednesday, 13th September
Wednesday 12:30 - 13:45	Registration Venue Fitzgerald Library
Wednesday 14:00 - 14:30	Welcome and Opening Venue Schrödinger Theatre
Wednesday 14:30 - 15:30	S-1 Results and Analysis from Measurement Campaigns: 1 Chaired By: Sjoerd Rienstra Venue Schrödinger Theatre
14:30 S-1.01 – A parametric study of airframe effects on installed contra rotating open rotor noise » John Kennedy (TCD), Gar Bennett (Trinity College Dublin) 14:50 S-1.02 – Investigation of a pylons effect on the character of counter-rotating open rotor noise using beamforming technology » Bence Fenyvesi (Budapest University of Technology and Economics), Kristóf Tokaji (Budapest University of Technology and Economics), Csaba Horváth (Budapest University of Technology and Economics) 15:10 S-1.03 – Flight stream effects on forward fan noise radiation and on flight transposition » Florent Mercat (Airbus)
Wednesday 15:30 - 15:50	Break Venue Fitzgerald Library
Wednesday 15:50 - 16:30	KN-1 Keynote 1 Chaired By: David Stephens Venue Schrödinger Theatre
15:50 KN-1.01 – Recent Fan Broadband Noise Activities within the Framework of European Funded Collaborative Research Projects » Lars Enghardt (DLR Engine Acoustics)
Wednesday 16:30 - 17:10	S-2 Developments in Analytical Models: 1 Chaired By: Denis Gely Venue Schrödinger Theatre
16:30 S-2.01 – An Implementation of a CFD Informed Method for the Prediction of Open Rotor Broadband Noise » Jason Botha (Trinity College Dublin), John Kennedy (Trinity College Dublin), Henry Rice (Trinity College Dublin) 16:50 S-2.02 – Effect of boundary layer on trailing-edge noise » David Baker (University of Cambridge), Nigel Peake (University of Cambridge)
Wednesday 18:00 - 19:30	Welcome Reception Venue Senior Common Room
Thursday, 14th September
Thursday 09:15 - 10:00	KN-2 Keynote 2 Chaired By: Hélène Posson Venue Schrödinger Theatre
09:15 KN-2.01 – Future Noise Challenges from Gas Turbine Engine Compressors and Turbines » Kevin Britchford (Rolls-Royce, UK)
Thursday 10:00 - 11:20	S-3 Developments in Analytical Models: 2 Chaired By: Victor Kopiev Venue Schrödinger Theatre
10:00 S-3.01 – Counter-Rotating Open Rotor Noise Reduction via Blade Number and Radiation Efficiency Considerations » Csaba Horváth (Budapest University of Technology and Economics), Bence Fenyvesi (Budapest University of Technology and Economics), Michael Quaglia (Université de Sherbrooke), Stéphane Moreau (Université de Sherbrooke), John Kennedy (TCD), Gar Bennett (Trinity College Dublin) 10:20 S-3.02 – Sensitivity of rotor tonal noise to radial interferences » Antoine Moreau (DLR Engine Acoustics), Robert Jaron (DLR Engine Acoustics) 10:40 S-3.03 – Aeroacoustics of propulsion systems » Stéphane Moreau (Université de Sherbrooke), Michel Roger (Ecole Centrale de Lyon) 11:00 S-3.04 – A Discussion on Noise Reduction in Fan Duct Having Surfaces with Micro-holes Communicating with a Vacuumed Space » Constantin SANDU (COMOTI), Valentin SILIVESTRU (COMOTI)
Thursday 11:20 - 11:40	Break Venue Fitzgerald Library
Thursday 11:40 - 13:00	S-4 Novel Measurement Methods Chaired By: Daniel Juvé Venue Schrödinger Theatre
11:40 S-4.01 – Broadband noise source location in a hard-walled engine duct » Harry Brouwer (Netherlands Aerospace Centre NLR), Pieter Sijtsma (PSA3) 12:00 S-4.02 – Azimutal and radial deconvolution method for modal detection in a circular duct in presence of uniform flow, using flush-mounted microphones » Sandrine Fauqueux (ONERA), Renaud Davy (ONERA) 12:20 S-4.03 – Acoustically Transparent Duct » Kristóf Tokaji (Budapest University of Technology and Economics), Csaba Horváth (Budapest University of Technology and Economics) 12:40 S-4.04 – Application and validation of the two-microphone method for acoustic mode detection in aero-engines » Jian Chen (University of Southampton), Brian Tester (University of Southampton), Phillip Joseph (ISVR)
Thursday 13:00 - 14:00	Lunch Venue Fitzgerald Library
Thursday 14:00 - 14:40	KN-3 Keynote 3 Chaired By: Lars Enghardt Venue Schrödinger Theatre
14:00 KN-3.01 – A Discussion of Broadband Rotor Noise » Scott Morris (University of Notre Dame)
Thursday 14:40 - 16:00	S-5 Modelling and Computational Analysis Providing Novel Insight: 1 Chaired By: Harry Brouwer Venue Schrödinger Theatre
14:40 S-5.01 – Acoustic shielding for contra-rotating open rotors » Laurent Sanders (ONERA), Daniel-ciprian Mincu (ONERA), Pier-luigi Vitagliano (CIRA), Mauro Minervino (CIRA), John Kennedy (TCD), Gar Bennett (TCD) 15:00 S-5.02 – A Tool Chain for the Computation of CROR Noise Shielding » Lukas Dürrwächter (University of Stuttgart), Manuel Keßler (University of Stuttgart), Ewald Krämer (University of Stuttgart) 15:20 S-5.03 – Fan tone simulation for a UHBR engine with a non-axisymmetric short nacelle at approach condition and an angle of attack of 10° » Axel Holewa (DLR Engine Acoustics), Sebastien Guerin (DLR Engine Acoustics) 15:40 S-5.04 – The Influence of Relative Pitch, Aspect Ratio and Relative Thickness on Turbulence as Noise Source behind a Fan Cascade » Georgel VIZITIU (COMOTI), Valentin SILIVESTRU (COMOTI)
Thursday 16:00 - 16:20	Break Venue Fitzgerald Library
Thursday 16:20 - 17:40	S-6 Sound Generation Through Rotor Installation and Related Inflow Inhomogeneity Chaired By: Stéphane Moreau Venue Schrödinger Theatre
16:20 S-6.01 – Modal and frequency scattering of tonal noise through rotating turbomachinery » Ian Davis (Nokia Bell Labs), Gar Bennett (Trinity College Dublin) 16:40 S-6.02 – Modeling non-linear propagation effects in Aircraft Engines » Yves Detandt (Free Field Technologies), César Legendre (Free Field Technologies), Jonathan Caprile (Free Field Technologies), Morad Kassem (Airbus France), Aurélien Mosson (Airbus France) 17:00 S-6.03 – Propeller slipstream – leading edge impingement noise mitigation: a computational study » Francesco Avallone (Delft University of Technology), Daniele Ragni (Delft University of Technology), Damiano Casalino (Delft University of Technology) 17:20 S-6.04 – Fan noise generation influenced by inflow disturbances in a laboratory environment » Benjamin Pardowitz (DLR Engine Acoustics), Maximilian Behn (DLR Engine Acoustics), Ulf Tapken (DLR Engine Acoustics)
Thursday 19:00 - 23:00	Wine Reception and Banquet Dinner Venue Dining Hall
Friday, 15th September
Friday 10:00 - 11:20	S-7 Modelling and Computational Analysis Providing Novel Insight: 2 Chaired By: Jan Delfs Venue Schrödinger Theatre
10:00 S-7.01 – Numerical validation of Möhring analogy for the simulation of aircraft engine fan noise » Thomas Nodé-Langlois (Airbus), Barthelemy Petit (Free Field Technologies) 10:20 S-7.02 – Numerical Analysis of the Flow and the Acoustic Field of an Axial Fan at disturbed and undisturbed inflow conditions » Seyed Mohsen Alavi Moghadam (Institute of Aerodynamics, RWTH Aachen University), Matthias Meinke (Institute of Aerodynamics, RWTH Aachen University), Wolfgang Schröder (Institute of Aerodynamics, RWTH Aachen University) 10:40 S-7.03 – Integrated CFD-Acoustic Computational Approach to the Simulation of Tonal and Broadband Noise Generated by Aircraft Engines » Piergiorgio Ferrante (NUMECA International), Paolo Di Francescantonio (STS - Scientific and Technical Software), Charles Hirsch (NUMECA International) 11:00 S-7.04 – Community noise assessment for aircraft with CROR engines based on high-fidelity numerical simulation » Victor Kopiev (TsAGI, Acoustic Department), Mikhail Shur (St. Petersburg Polytechnic University), Andrey Travin (St. Petersburg Polytechnic University), Ivan Belyaev (TsAGI, Acoustic Department), Boris Zamtfort (TsAGI, Acoustic Department), Yury Medvedev (TsAGI, Acoustic Department)
Friday 11:20 - 11:40	Break Venue Fitzgerald Library
Friday 11:40 - 13:00	S-8 Developments in Analytical Models: 3 Chaired By: Alan McAlpine Venue Schrödinger Theatre
11:40 S-8.01 – Swirling mean flow effects on locally reacting interstage liner and on rotor/stator broadband noise » Vianney Masson (Université de Sherbrooke), Hélène Posson (Airbus), Stéphane Moreau (Université de Sherbrooke) 12:00 S-8.02 – Modes in swirling flow » James Mathews (University of Cambridge), Nigel Peake (University of Cambridge) 12:20 S-8.03 – Multi-disciplinary optimization of a counter-rotating fan » Gabriele Grasso (von Karman Institute for Fluid Dynamics - Université de Sherbrooke), Stéphane Moreau (Université de Sherbrooke), Christophe Schram (von Karman Institute for Fluid Dynamics) 12:40 S-8.04 – An Analytic Solution for Gust-Cascade Interaction Noise Including Effects of Realistic Aerofoil Geometry » Peter Baddoo (University of Cambridge), Lorna Ayton (University of Cambridge)
Friday 13:00 - 14:00	Lunch Venue Fitzgerald Library
Friday 14:00 - 14:40	KN-4 Keynote 4 Chaired By: Scott Morris Venue Schrödinger Theatre
14:00 KN-4.01 – Fan Noise and Inflow Distortion » David Stephens (NASA Glenn Research Center)
Friday 14:40 - 15:40	S-9 Results and Analysis from Measurement Campaigns: 2 Chaired By: Hans Bodén Venue Schrödinger Theatre
14:40 S-9.01 – Tonal Fan Noise Simulation of a V2527 Aircraft Engine: Comparison to Experimental Data » Carolin Kissner (DLR Engine Acoustics), Sebastien Guerin (DLR Engine Acoustics), Lars Enghardt (DLR Engine Acoustics), Henri Siller (DLR Engine Acoustics), Stephan-Michael Pott-Pollenske (DLR Technical Acoustics) 15:00 S-9.02 – Reduction of aerofoil separation self-noise by Leading Edge serrations » Giovanni Lacagnina (ISVR University of Southampton), Seyed Mohammad Hasheminejad (Brunel University London), Chaitanya Paruchuri (ISVR University of Southampton), Phillip Joseph (ISVR University of Southampton), Tze Pei Chong (Brunel University London), Oksana Stalnov (Technion - Israel Institute of Technology Haifa)
Friday 15:20 - 15:30	Close Venue Schrödinger Theatre

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