Christophe Schram


Christophe SchramProfessor

Environmental and Applied Fluid Dynamics Department

von Karman Institute for Fluid Dynamics
Waterloosesteenweg 72
1640 Sint-Genesius-Rode

Phone: +32 2 359 96 15

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LinkedIN

ResearchGate Personal Page

Biography

Education

PhD degree in Aeroacoustics, von Karman Institute for Fluid Dynamics, co-tutelle between the Technische Universiteit Eindhoven and the Université Libre de Bruxelles, 2003

Ms in Mechanical and Electrical Engineering, Université Libre de Bruxelles, 1997.

Career

January 2018 - present: Professor, von Karman Institute

2011 – December 2017: Associate Professor, von Karman Institute

2009 – 2011: Assistant Professor, von Karman Institute

2004 – 2009: Aeroacoustic Project Leader and RTD Project Manager, LMS International

2003 – 2004: Research Associate, University of Cambridge

Awards and Memberships

Ishango International Scientific Prize awarded by Brussels Region, 2003.

AIAA Senior member.

VKI delegate at the Council of European Aerospace Societies (CEAS) Aeroacoustics Specialists Committee

Service to Society

Evaluations

Editor and Director of VKI Lecture Series.

Regular lecturer at INSA Rouen and Ecole Centrale Lille.

Reviewer for the Journal of Sound and Vibration, Acta Acustica, Measurement Science and Technology, AIAA Journal, Experiments in Fluids, Journal of the Acoustical Society of America, Journal of Automobile Engineering.

Organizer and chairman of sessions on:

“16th AIAA/CEAS Aeroacoustics Conference”, Stockholm, 2006.

Teaching

Formal courses

Introduction to Acoustics and Aeroacoustics (von Karman Institute, 2 ECTS)

Data Acquisition and Processing (von Karman Institute, 2 ECTS)

Introduction to Acoustics and Aeroacoustics (INSA Rouen, 1 ECTS)

Aeroacoustics of high-speed ground transport (Ecole Centrale Lille, 0.5 ECTS)

Lecturer at special courses

“Introduction to fluid mechanics and aeroacoustics,” EAA Winter School, Merano, 2013.

“Vortex Sound Theory and Application based on Experimental Data.” EAA Winter School, Merano, 2013.

“Vortex Sound Theory,” ERCOFTAC course Computational Aeroacoustics, Munich, 2013.

“Solid surfaces in acoustical analogies,” ERCOFTAC course Computational Aeroacoustics, Munich, 2013.

“Fundamentals of aeroacoustic analogies,” VKI Lecture Series Accurate and Efficient Aeroacoustic Prediction Approaches for Airframe Noise, 2013 and VKI Lecture Series Modeling, measurement and control of ventilation and cooling fan noise, 2013.

Regular lecturer at INSA Rouen.

Principal supervisor of the PhD theses of:

P. Martínez-Lera (2010) – Modeling of aerodynamic noise production and flow-acoustic feedback for wall-bounded low Mach number flows, Katholieke Universiteit Leuven (B).

K. Kucukcoskun (2012) – Prediction of free and scattered acoustic fields of low-speed fans, Ecole Centrale de Lyon (FR).

D. Guariglia (2017) – Shock-Cell Noise Investigation on a Subsonic/Supersonic Coaxial Jet, Universitá di Roma La Sapienza (IT).

G. Grasso (2017) – Développement de méthodes hybrides pour le calcul de la géneration et de la propagation de bruit de raies et à large bande des ventilateurs, Université de Sherbrooke (CA).

L. Dantas de Santana (2015) – Semi-analytical methodologies for airfoil noise prediction, Katholieke Universiteit Leuven (B)

U. Karban (2016) – Scale-resolved and stochastic approaches for noise prediction in duct singularities, Technische Universität München (D).

Y.C. Kucukosman (2019) – Semi-analytical approaches for the prediction of the noise produced by ducted wind turbines, Delft University of Technology (NL).

L. Hirschberg (2019) – Low order modeling of vortex driven self-sustained pressure pulsations in solid rocket motors, CentraleSupélec (F).

Invited member of PhD juries at:

Université Libre de Bruxelles (BE), Vrije Universiteit Brussel (BE), Katholieke Universiteit Leuven (BE), Ecole Centrale de Lyon (F), Université de Technologies de Compiègne (FR), Université de Poitiers (FR), Université du Maine (FR), Technische Universiteit Delft (NL), Technische Universiteit Eindhoven (NL), Université de Montpellier II (FR), KTH Royal Institute of Technology (SE).

Research

Main research interest

Theoretical and numerical aeroacoustics (aeroacoustic analogies)

Experimental investigation and mitigation of airframe noise

Sound generation and transmission in ducted flows (multiport eduction techniques)

Acoustic beamforming

Optical diagnostics (Particle Image Velocimetry)

Signal processing

Engineering education

Principal investigator of funded research on:

Aeroacoustic prediction methods for free and bounded flows at low Mach numbers.

Modeling of tonal and broadband fan noise.

Acoustic beamforming.

Design of experimental rigs for the study of installation effects in climate control systems.

Noise attenuation in contra-rotating open rotors and airframe configurations by means of porous materials.

Boundary layer physics in subsonic and supersonic regimes.

funded by: IWT-SBO (B), European Commission, industry sector.

Coordination and participation in European research projects:

INVENTOR, “Innovative design of installed airframe components for aircraft noise reduction”, H2020 Research and Innovation Action, Partner, ongoing.

DJINN, “Decrease jet-installation noise”, H2020 Research and Innovation Action, Partner, ongoing.

ENODISE, “Enabling optimized disruptive airframe-propulsion integration concepts”, H2020 Research and Innovation Action, Coordinator, ongoing.

zEPHYR, “Towards a more efficient exploitation of on-shore and urban wind energy resources”, H2020 Marie Skłodowska Curie ETN project, Coordinator, ongoing.

STRATOFLY, “Stratospheric Flying Opportunities for High-Speed Propulsion Concepts”, H2020 Research and Innovation Action, Coordinator, ongoing.

ARTEM, “Aircraft noise Reduction Technologies and related Environmental iMpact”, H2020 Research and Innovation Action, Partner, ongoing.

UPWARDS, “Understanding of the Physics of Wind Turbine and Rotor Dynamics through an Integrated Simulation Framework”, H2020 Research and Innovation Action, Partner, ongoing.

SMARTANSWER, “Smart mitigation of flow-induced acoustic radiation and transmission for reduced aircraft, surface transport, workplaces and wind energy noise”, H2020 Marie Skłodowska Curie ETN project, Coordinator, ongoing.

IMAGE, “Innovative Methodologies and technologies for reducing Aircraft noise Generation and Emission”, H2020 Research and Innovation Action, Partner.

AEOLUS4FUTURE, “Efficient harvesting of the wind energy”, H2020 Marie Skłodowska Curie ETN project, Partner.

FLOWAIRS, “Silent Air Flows in transport, buildings and power generation”, FP7 Initial Training Network, Partner.

ANADE, “Advances in numerical and analytical tools to detached flow prediction”, FP7 Initial Training Network, Partner.

AEROTRANET2, “Aeronautical Training Network in Aerodynamic Noise from Widebody Civil Aircraft”, FP7 Initial Training Network, Partner.

RBF4AERO, “Innovative benchmark technology for aircraft engineering design and efficient design phase optimisation”, FP7 Collaborative Project, Partner.

NOISETTE, “Landing gear noise attenuation”, FP7 CLEANSKY Project, Partner.

IDEALVENT, “Integrated design of optimal ventilation systems for low cabin and ramp noise”, FP7 Collaborative Project, Coordinator.

DINNO-CROR, “Design of innovative CROR blade and pylon”, FP7 CLEANSKY Project, Partner.

AFDAR, “Advanced flow diagnostics for aeronautical research”, FP7 Collaborative Project, Partner.

ECOQUEST, “Efficient cooling systems for quieter surface transport”, FP7 Collaborative Project, Partner.

VALIANT, “Validation and improvement of airframe noise prediction techniques”, FP7 Collaborative Project, Coordinator.

SIMVIA2, “Advanced and new simulation methods in vehicle vibro-acoustics”, FP6 Marie Curie Research Training Network, Partner.

AETHER, “Aero-acoustical and thermo-acoustical coupling in energy processes”, FP6 Marie Curie Research Training Network, Coordinator.

Publications

Archival Journals

  1. Zamponi, R., Satcunanathan, S., Moreau, S., Ragni, D., Meinke, M., Schröder, W. (2020) On the role of turbulence distortion on leading-edge noise reduction by means of porosity. Journal of Sound and Vibration 485. (JCR Impact Factor 2019-2020: 3.429)
  2. Zamponi, R., Chiariotti, P., Battista, G., Schram, C., Castellini, P. (2020) Assessment of the accuracy of microphone array methods for aeroacoustic measurements. Applied Acoustics 163. (JCR Impact Factor 2019-2020: 2.440)
  3. Küçükosman, Y.C., Christophe, J., Schram, C. (2018) Trailing edge noise prediction based on wall pressure spectrum models for NACA0012 airfoil. Journal of Wind Engineering and Industrial Aerodynamics 175. (JCR Impact Factor 2019-2020: 2.739)
  4. Hirschberg, L., Schuller, T., Collinet, J., Schram, C., Hirschberg, A. (2018) Analytical model for the prediction of pulsations in a cold-gas scale-model of a Solid Rocket Motor. Journal of Sound and Vibration 419. (JCR Impact Factor 2019-2020: 3.429)
  5. Hirschberg, L., Hulshoff, S.J., Collinet, J., Schram, C., Schuller, T. (2018) Vortex nozzle interaction in solid rocket motors: A scaling law for upstream acoustic response. The Journal of the Acoustical Society of America 144(1). (JCR Impact Factor 2019-2020: 1.780)
  6. Hirschberg, L., Hulshoff, S.J., Collinet, J., Schram, C. and Schuller, T. (2019) Influence of Nozzle Cavity on Indirect Vortex-and Entropy-Sound Production. AIAA Journal 57(7). (JCR Impact Factor 2019-2020: 2.108)
  7. Merino-Martínez, R., Luesutthiviboon, S., Zamponi, R., Carpio, A.R., Ragni, D., Sijtsma, P., Snellen, M., Schram, C. (2020) Assessment of the accuracy of microphone array methods for aeroacoustic measurements. Journal of Sound and Vibration 470. (JCR Impact Factor 2019-2020: 3.429)
  8. Merino-Martínez, R., Sijtsma, P., Carpio, A.R., Zamponi, R., Luesutthiviboon, S., Malgoezar, A.M., Snellen, M., Schram, C. and Simons, D.G. (2019) Integration methods for distributed sound sources. International Journal of Aeroacoustics 18(4-5). (JCR Impact Factor 2019-2020: 1.203)
  9. Dominique, J., Christophe, J., Corralejo, R. and Schram, C. (2019) Multi-Port Eduction of Installation Effects Applied to a Small Axial Fan. Acta Acustica united with Acustica 105(1). (JCR Impact Factor 2019-2020: 0.959)
  10. Solmaz, S., Gouriet, J.B., Van de Wyer, N. and Schram, C. (2019) Multiphase Flow Regime Detection Algorithm for Gas-Liquid Interface Using Ultrasonic Pulse-Echo Technique. International Journal of Physical and Mathematical Sciences 13(4). (JCR Impact Factor 2019-2020: -)
  11. Karban, U., Schram, C., Sovardi, C. and Polifke, W. (2019) Prediction of ducted diaphragm noise using a stochastic approach with adapted temporal filters. International Journal of Aeroacoustics 18(1). (JCR Impact Factor 2019-2020: 1.203)
  12. Küçükosman, Y.C., Christophe, J. and Schram, C. (2018) Trailing edge noise prediction based on wall pressure spectrum models for NACA0012 airfoil. Journal of Wind Engineering and Industrial Aerodynamics 175. (JCR Impact Factor 2019-2020: 2.739)
  13. Guariglia, D., Rubio Carpio, A. and Schram, C. (2018) Design of a facility for studying shock-cell noise on single and coaxial jets. Aerospace 5(1). (JCR Impact Factor 2019-2020: -)
  14. Hirschberg, L., Schuller, T., Collinet, J., Schram, C. and Hirschberg, A. (2018) Analytical model for the prediction of pulsations in a cold-gas scale-model of a Solid Rocket Motor. Journal of Sound and Vibration 419. (JCR Impact Factor 2019-2020: 3.429)
  15. Hirschberg, L., Hulshoff, S.J., Collinet, J., Schram, C. and Schuller, T. (2018) Vortex nozzle interaction in solid rocket motors: A scaling law for upstream acoustic response. The Journal of the Acoustical Society of America 144(1). (JCR Impact Factor 2019-2020: 1.780)
  16. Grasso, G., Moreau, S., Christophe, J. and Schram, C. (2018) Multi-disciplinary optimization of a contra-rotating fan. International Journal of Aeroacoustics 17(6-8). (JCR Impact Factor 2019-2020: 1.203)
  17. Küçükosman, Y.C., Schram, C., van Beeck, J. (2018) A remote microphone technique for aeroacoustic measurements in large wind tunnels, Applied Acoustics 129. (JCR Impact Factor 2019-2020: 2.440)
  18. Karban, U. Schram, C. (2017) Modal identification of aeroacoustic systems using passive and active approaches, Journal of the Acoustical Society of America 142(6). (JCR Impact Factor 2019-2020: 1.780)
  19. Shur, M., Strelets, M., Travin, A., Christophe, J., Kucukcoskun, K., Schram, C., Sack, S., Åbom, A. (2017) Experimental/Numerical Study of Ducted-Fan Noise: Effect of Duct Inlet Shape, AIAA Journal. (JCR Impact Factor 2019-2020: 2.108)
  20. Martínez-Lera, P., Christophe, J., Schram, C. (2017) Computation of the self-noise of a controlled-diffusion airfoil based on the acoustic analogy, International Journal of Aeroacoustics 16(1-2). (JCR Impact Factor 2019-2020: 1.203)
  21. De Santana, L., Christophe, J., Schram, C., Desmet, W. (2016) A Rapid Distortion Theory modified turbulence spectra for semi-analytical airfoil noise prediction, Journal of Sound and Vibration 383. (JCR Impact Factor 2019-2020: 3.429)
  22. Karban, U., Schram, C., Sovardi, C., Polifke, W. (2016) Tailored Green's functions for the prediction of the noise generated by single and tandem diaphragms in a circular duct, Acta Acustica united with Acustica 102(5). (JCR Impact Factor 2019-2020: 0.959)
  23. De Santana, L., Schram, C., Desmet, W. (2016) Low-frequency extension of Amiet’s theory for compact airfoil noise predictions, Journal of Sound and Vibration 372. (JCR Impact Factor 2019-2020: 3.429)
  24. Bilka, M., Anthoine, J., Schram, C. (2014) Measurement and analysis of radiated sound from a low speed fan with a large tip gap, Journal of the Acoustical Society of America 135. (JCR Impact Factor 2019-2020: 1.780)
  25. Carbajo Fuertes, F., Cecchi, E., Van Beeck, J., Schram, C. (2014) An inexpensive and versatile technique for wide frequency range surface pressure measurements: an application for the study of turbulent buffeting of a square cylinder, Experiments in Fluids 55. (JCR Impact Factor 2019-2020: 2.335)
  26. Martínez-Lera, P., Schram, C., Beriot, H., Hallez, R. (2014) An approach to aerodynamic sound prediction based on incompressible-flow pressure, Journal of Sound and Vibration 333(1). (JCR Impact Factor 2019-2020: 3.429)
  27. Roger, M., Schram, C., Moreau, S. (2014) On vortex-airfoil interaction noise including span-end effects, with application to open-rotor aeroacoustics, Journal of Sound and Vibration 333(1). (JCR Impact Factor 2019-2020: 3.429)
  28. Kucukcoskun, K., Christophe, J., Schram, C., Tournour, M. (2013) Broadband scattering of the turbulence-interaction noise of a stationary airfoil: experimental validation of a semi-analytical model, International Journal of Aeroacoustics 12(1-2). (JCR Impact Factor 2019-2020: 1.203)
  29. Kucukcoskun, K., Christophe, J., Schram, C., Tournour, M. (2013) Free and scattered acoustic field predictions of the broadband noise generated by a low-speed axial fan, Noise Control Engineering 61(2). (JCR Impact Factor 2019-2020: 0.453)
  30. Bilka, M., Anthoine, J., Schram, C. (2011) Design and evaluation of an aeroacoustic wind tunnel for measurement of axial flow fans, Journal of the Acoustical Society of America 130(6). (JCR Impact Factor 2019-2020: 1.780)

 

Peer-reviewed conferences

  1. Amoiridis, O.; Zarri, A.; Zamponi, R.; Christophe, J.; Schram, C.; Yakhina, G.; Moreau, S. (2020), Experimental analysis of the sound radiated by an automotive cooling module working at different operational conditions, AIAA Aviation Forum 2020, June 15-19, 2020, Virtual Event, eISBN: 978-1-62410-598-2, AIAA 2020-2598
  2. Kovacs, D.G.; Paris, S.; Grossir, G.; Schram, C. (2020), An experimental approach to determine the aerodynamic pitch damping coefficient of slender bodies in the transonic regime, AIAA Aviation Forum 2020, June 15-19, 2020, Virtual Event, eISBN: 978-1-62410-598-2, AIAA 2020-3105
  3. Le Bras, S.; Kucukcoskun, K.; Grossir, G.; Kucukosman, Y.C.; Schram, C. (2020), Numerical simulations of the vibro-acoustic response of a flexible panel subjected to a Mach 2 turbulent boundary layer, AIAA SciTech 2020 Forum, January 6-10, 2020, Orlando, USA, eISBN: 978-1-62410-595-1, AIAA 2020-0569
  4. Satcunanathan, S.; Zamponi, R.; Matthias, M.; Van De Wyer, N.; Schram, C.; Schröder, W. (2019), Validation of a model for acoustic absorption in porous media, Inter. Noise 2019, June 16-19, 2019, Madrid, Spain, ISBN: 978-1-71380-027-9
  5. Viola, N.; Fusaro, R.; Saracoglu, B.H.; Schram, C.; Grewe, V.; Martinez, J.; Marini, M.; Hernandez, S.; Lammers, K.; Vincent, A.; Hauglustaine, D.; Liebhardt, B.; Linke, F.; Fureby, C. (2019), Main challenges and goals of the H2020 STRATOFLY project, FAR 2019, International Conference on Flight Vehicles, Aerothermodynamics and Re-entry Missions & Engineering, September 30 - October 3, 2019, Monopoli, Italy
  6. ZamponI, R.; Ragni, D.;  Van De Wyer, N.; Schram, C. (2019), Experimental investigation of airfoil turbulence-impingement noise reduction using porous treatment,25th AIAA/CEAS Aeroacoustics Conference, May 20-23, 2019, Delft, The Netherlands, eISBN: 978-1-62410-588-3,AIAA 2019-2649
  7. Zarri, A. , Christophe, J.; Schram, C. (2019), Low-order aeroacoustic prediction of low-speed axial fan noise              25th AIAA/CEAS Aeroacoustics Conference, May 20-23, 2019, Delft, The Netherlands, eISBN: 978-1-62410-588-3, AIAA 2019-2760
  8. Hay, T.A.; Valdez, J.A.; Tinney, C.E.; Hamilton, M.; Schram, C. (2019), Sampling artifacts in quantitative Schlieren, 25th AIAA/CEAS Aeroacoustics Conference, May 20-23, 2019, Delft, The Netherlands, eISBN: 978-1-62410-588-3, AIAA 2019-2635
  9. Tinney, C.E. & Schram, C. (2019) Acoustic modes from a Mach 3 jet, 25th AIAA/CEAS Aeroacoustics Conference, May 20-23, 2019, Delft, The Netherlands, eISBN: 978-1-62410-588-3, AIAA 2019-2598
  10. Hirschberg, L.; Hulshoff, S.J.; Schuller, T.; Schram, C.; Collinet, J.  (2019) Numerical simulations based evidence of impingement free sound production during vortex-nozzle interaction in solid rocket motors    25th AIAA/CEAS Aeroacoustics Conference, May 20-23, 2019, Delft, The Netherlands, eISBN: 978-1-62410-588-3, AIAA 2019-2421
  11. Grasso, G.; Moreau, S.; Christophe, J.; Schram, C. (2018) Investigations on analytic models of broadband wake-blade interaction noise, 2018 AIAA/CEAS Aeroacoustics Conference, June 25-29, 2018, Atlanta, USA, eISBN: 978-1-62410-560-9
  12. Hirschberg, L.; Schuller, T.; Schram, C.; Collinet, J.: Lumped model for vortex sound in large solid rocket motors    2018 AIAA/CEAS Aeroacoustics Conference, June 25-29, 2018, Atlanta, USA, eISBN: 978-1-62410-560-9
  13. Kucukosman, Y.C.; Christophe, J.; Schram, C. (2018), RANS-based trailing-edge noise prediction using Amiets theory: accuracy and mesh sensitivity of semi-empirical and integral wall pressure models, 2018 AIAA/CEAS Aeroacoustics Conference, June 25-29, 2018, Atlanta, USA, eISBN: 978-1-62410-560-9
  14. Dominique, J.; Christophe, J.; Schram, C.; Corralejo, R. (2018), An experimental multi-ports methodology for fan acoustic installation effects, AIAA/CEAS Aeroacoustics Conference, June 25-29, 2018, Atlanta, USA, eISBN: 978-1-62410-560-9
  15. Jardon, Z.; Karban, U.; Christophe, J.; Schram, C. (2018), Hybrid methods for the prediction of the noise radiated by a Mach 0,5 ducted orifice flow, 2018 AIAA/CEAS Aeroacoustics Conference, June 25-29, 2018, Atlanta, USA, eISBN: 978-1-62410-560-9
  16. Zamponi, R.; Van De Wyer, N.; Schram, C. (2018), Benchmark assessment of an improved regularization technique for generalized inverse beamforming      2018 AIAA/CEAS Aeroacoustics Conference, June 25-29, 2018, Atlanta, USA, eISBN: 978-1-62410-560-9
  17. Van De Wyer, N.; Logothetis, D. ; Schram, C. (2018), Integration of acoustic installation effects in inverse generalized beamforming algorithm, 2018 AIAA/CEAS Aeroacoustics Conference, June 25-29, 2018, Atlanta, USA, eISBN: 978-1-62410-560-9
  18. Schram, C. & Van De Wyer, N. (2018), An optimized microphone array for the measurement of turbulent boundary layer wall pressure wavenumber-frequency spectra, 2018 AIAA/CEAS Aeroacoustics Conference, June 25-29, 2018, Atlanta, USA, eISBN: 978-1-62410-560-9
  19. Van De Wyer, N.; Zapata, A.; Nogueira, D.; Schram, C. (2018), Development of a test rig for the measurement of turbulent boundary layer wall pressure statistics, 2018 AIAA/CEAS Aeroacoustics Conference, June 25-29, 2018, Atlanta, USA, eISBN: 978-1-62410-560-9
  20. Zamponi, R.; Van De Wyer, N.; Schram, C. (2018), An improved regularization of the generalized inverse beamforming applied to a benchmark database       , BeBeC 2018, 7th Berlin Beamforming Conference, March 5-6, 2018, Berlin, Germany, ISBN 978-3-942709-20-0
  21. Dominique, J.; Christophe, J.; Corralejo, R.; Schram, C. (2018), Experimental investigation of installation effects in a low-speed fan system, Fan 2018, International Conference on Fan Noise, Aerodynamics, Applications and Systems, April 18-20, 2018, Darmstadt, Germany
  22. Kucukosman, T.C.; Christophe, J.; Schram, C.; Van Beeck, J.P.A.J. (2017) Blade tip noise prediction by linearized airfoil theory            WINDERCOST’17, The International Conference on Wind Energy Harvesting 2017, April 20-21, 2017, Coimbra, Portugal, ISBN 978-989-99226-4-8
  23. Vita, G., Küçükosman, Y.C., Hemida, H., Schram, C., van Beeck, J., Baniotopoulos, C. (2017) Wind turbine aerofoils: a mesh dependency study, International Conference on Wind Energy Harvesting, Coimbra.
  24. Schram, C., Christophe, J., Corin, R., Denayer, H., De Roeck, W., Sack, S., Åbom, M. (2017) Innovative noise control in ducts, 23rd AIAA/CEAS Aeroacoustics Conference, June 5-9, Denver.
  25. SCHRAM, C.        ;               CHRISTOPHE, J. ;               SHUR, M.             ;               STRELETS, M.     ;               TRAVIN, A.; WOHLBRANDT, A.; GUERIN, S.; EWERT, R.; MARTINEZ-LERA, P.; TOURNOUR, M.; FRANCOIS, B.; ROGER, M.       Fan noise predictions using scale-resolved, statistical, stochastic and semi-analytical models           23rd AIAA/CEAS Aeroacoustics Conference, June 5-9, 2017, Denver, USA, eISBN: 978-1-62410-504-3, AIAA 2017-3386
  26. Christophe, J., Schram, C., Martínez-Lera, P., Tournour, M., Kucukcoskun, K., De Roeck, W., Denayer, H., Desmet, W., Orselli, R.M., Ingenito, J. (2017) Application of different simulation strategies to a butterfly valve for both Passive and Active acoustics behavior, 23rd AIAA/CEAS Aeroacoustics Conference, June 5-9, Denver.
  27. Kadar, A., Martínez-Lera, P., Schram, C., De Roeck, W., Desmet, W., Tournour, M. (2017) Trailing-edge noise prediction using synthetic turbulence and acoustic perturbation equations in a hybrid methodology, 23rd AIAA/CEAS Aeroacoustics Conference, June 5-9, Denver.
  28. Hirschberg, L., Schuller, T., Schram, C., Collinet, J., Yiao, M., Hirschberg, A. (2017) Interaction of a vortex with a contraction in a 2-dimensional channel: incompressible flow prediction of sound pulse, 23rd AIAA/CEAS Aeroacoustics Conference, June 5-9, Denver.
  29. Shur, M., Strelets, M., Travin, A., Christophe, J., Kucukcoskun, K., Schram, C., Sack, S., Åbom, M. (2016) Effect of inlet distortions on ducted fan noise, 22nd AIAA/CEAS Aeroacoustics Conference, May 30 - June 1, Lyon.
  30. Guariglia, D., Rubio Carpio, A., Schram, C. (2016) Design of a Facility for Shock-Cells Noise Experimental Investigation on a Subsonic/Supersonic Coaxial Jet, 22nd AIAA/CEAS Aeroacoustics Conference, May 30 - June 1, Lyon.
  31. Hirschberg, L., Schram, C., Hirschberg, A. (2016) Prediction of pulsations in a cold-gas scale-model of a SRM, 22nd AIAA/CEAS Aeroacoustics Conference, May 30 - June 1, Lyon.
  32. De Santana, L., Schram, C., Desmet, W. (2015) Airfoil noise prediction from 2D3C PIV data, 21st AIAA/CEAS Aeroacoustics Conference, June 22-26, Dallas.
  33. Christophe, J., Kucukcoskun, K., Schram, C., Idier, A., Laffay, P., Moreau, S. (2015) Experimental Validation of a Semi-Analytical Trailing-Edge Noise Model Including Broadband Scattering, 21st AIAA/CEAS Aeroacoustics Conference, June 22-26, Dallas.
  34. Grasso, G., Christophe, J., Schram, C. (2015) Prediction of low-speed fan trailing-edge noise based on RANS and on scale resolved simulations, 21st AIAA/CEAS Aeroacoustics Conference, June 22-26, Dallas.
  35. Schram, C., Sack, S., Aguiar, J., Kucukcoskum, K., Åbom, M. (2015) In-duct methods for aeroacoustics, 44th Inter-Noise Congress & Exposition on Noise Control Engineering, August 9-12, San Francisco.
  36. Van De Wyer, N., Schram, C., Van Dyck, D., Dierckx, M. (2015) The effect of non-uniform temperature and velocity fields on long range ultrasonic measurement systems in MYRRHA, 4th International Conference on Advancements in Nuclear Instrumentation Measurement Methods and their Applications (ANIMMA), April 20-24, Lisbon.
  37. De Santana, L., Desmet, W., Schram, C. (2014) An extension of Amiet’s theory for turbulence-airfoil noise prediction accounting realistic airfoil geometries using BEM, 15th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery (ISROMAC15), Honolulu.
  38. De Santana, L., Schram, C., Desmet, W. (2014) A BEM procedure to compute an airfoil compressible response to turbulence, 20th AIAA/CEAS Aeroacoustics Conference, June 16-20, Atlanta.
  39. Amoiridis, O., Zarri, A., Zamponi, R., Christophe, J., Schram, C. F., Yakhina, G., & Moreau, S. (2020). Experimental Analysis of the Sound Radiated by an Automotive Cooling Module Working at Different Operational Conditions. AIAA AVIATION 2020.
  40. Sack, S., Abom, M., Kucukcoskun, K., Schram, C. (2014) Generation and scattering of acoustic modes in ducts with flow, 20th AIAA/CEAS Aeroacoustics Conference, June 16-20, Atlanta.
  41. Grasso, G., Christophe, J., Schram, C., Verstraete, T. (2014) Influence of the noise prediction model on the aeroacoustic optimization of a contra-rotating fan, 20th AIAA/CEAS Aeroacoustics Conference, June 16-20, Atlanta.
  42. Baillen, F., Koloszar, L., Schram, C. (2014) Accuracy assessment of hybrid coupling techniques using the Residual Distribution Method, 20th AIAA/CEAS Aeroacoustics Conference, June 16-20, Atlanta.
  43. Karban, U., Ogus, G., Kucukcoskun, K., Schram, C., Sovardi, C., Polifke, W. (2014) Noise produced by a tandem diaphragm: experimental and numerical investigations, 20th AIAA/CEAS Aeroacoustics Conference, June 16-20, Atlanta.
  44. Christophe, J., Sanjose, M., Moreau, S., Schram, C. (2014) Wall-pressure reconstruction models for acoustic predictions, 20th AIAA/CEAS Aeroacoustics Conference, June 16-20, Atlanta.
  45. De Santana, L., Schram, C., Desmet, W. (2013) An experimental procedure for the determination of wake-airfoil interaction noise parameters, 19th AIAA/CEAS Aeroacoustics Conference, May 27-29, Berlin.
  46. Roger, M., Schram, C., De Santana, L. (2013) Reduction of airfoil turbulence-impingement noise by means of leading-edge serrations and/or porous materials, 19th AIAA/CEAS Aeroacoustics Conference, May 27-29, Berlin.
  47. Christophe, J., Kucukcoskun, K., Schram, C., Hallez, R. (2013) Tonal and broadband sound production of a locomotive cooling unit, 19th AIAA/CEAS Aeroacoustics Conference, May 27-29, Berlin.
  48. Martínez-Lera, P., Hallez, R., Beriot, H., Schram, C. (2012) Computation of sound in a simplified HVAC duct based on aerodynamic pressure, 18th AIAA/CEAS Aeroacoustics Conference, June 4-6, Colorado Springs.

Books and monographs

  1. Martínez-Lera, P., Schram, C., Aeroacoustic sources in linear acoustic models. In “Numerical methods for acoustics problems,” Editor F. Magoulès, 2013, Saxe-Coburg Publications, ISBN 978-1-874672-46-3.
  2. Schram, C., An introduction to linear acoustics and flow noise at low Mach numbers. In VKI LS 2012-02 “Aircraft Noise,” Rhode-St-Genèse, Belgium, 2012, ISBN 978-2-87516-029-4.
  3. Schram, C. & Martínez-Lera, P., Prediction of noise generated by wall-bounded flows at low mach numbers. In VKI LS 2011-01 “Advances in aero-acoustics and thermo-acoustics,” Rhode Saint Genèse, Belgium, 2010, ISBN 978-2-87516-012-6.
  4. Schram, C., Introduction to aeroacoustic analogies. In VKI LS 2011-01 “Advances in aero-acoustics and thermo-acoustics,” Rhode Saint Genèse, Belgium, 2010, ISBN 978-2-87516-012-6.
  5. Anthoine, J., Schram, C., Theoretical / empirical prediction and measurement of the sound produced by vortex pairing in a low match number jet. In “Verification and Validation Methods for Challenging Multiphysics Problems,” Editors G. Bugeda, J.C. Courty, A. Guillot, R. Höld, M. Marini, T. Nguyen, K. Papailiou, J. Périaux, D. Schwamborn, CIMNE, 2006, ISBN 84-9673600-8.
  6. Schram, C., Application of wavelet transform in vortical flows. In VKI LS 2003-03 “Post-Processing of Experimental and Numerical Data,” von Karman Institute, Rhode-Saint-Genèse, Belgium, 2003.
  7. Hirschberg, A., Schram, C., A primitive approach to aeroacoustics, In “Sound-Flow Interactions,” Editors Y. Aurégan, A. Maurel, V. Pagneux and J.-F. Pinton, Lecture Notes in Physics, 2002, Springer-Verlag.

Invited lectures

  1. Vortex Sound Theory, ERCOFTAC course “Computational Aeroacoustics,” Munich, Germany, 2013.
  2. Solid surfaces in acoustical analogies, ERCOFTAC course “Computational Aeroacoustics,” Munich, Germany, 2013.
  3. Introduction to fluid mechanics and aeroacoustics, EAA Winter School, Merano, Italy, 2013.
  4. Vortex Sound Theory and Application based on Experimental Data, EAA Winter School, Merano, Italy, 2013.
  5. Sound generation and propagation in low Mach number confined flows, KTH FLOW Summer School “Aeroacoustics in Low Mach Number Confined Flows,” Stockholm, Sweden, 2010.
  6. Computational Aeroacoustics using Boundary Element and Finite Element Methods, Summer School on “Large-Eddy Simulation and its Application in Aeroacoustics,” Balatonfüred, Hungary, 2008.
  7. Introduction to Acoustics and Analogies and Illustrative Exercises, Summer School on “Large-Eddy Simulation and its Application in Aeroacoustics,” Balatonfüred, Hungary, 2008.

 

 

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