Laboratoire de Mécanique des Fluides et d'Acoustique, UMR 5509 Centre Acoustique Laboratoire de Mécanique des Fluides et d'Acoustique
UMR 5509
Center for Acoustic Research - LMFA
   Centrale Lyon   LMFA 

Christophe Bailly


christophe.bailly AT


 Curriculum Vitae     Publications     Teaching   

Curriculum Vitae


Full Curriculum Vitae



Research interests : key-words

  • aeroacoustics, direct noise computation (DNC)
  • turbulence, numerical simulation, compressible flow
  • subsonic and supersonic jet noise
  • boundary layer noise
  • propagation of sound in moving inhomogeneous media

To know more about these research topic research topics


Professional services




Current Committees / Professional affilations

  • Elected member of the Teaching Council (CE) of Ecole Centrale de Lyon (2017 - present)
  • Elected member of the Scientific Council (CS) of Ecole Centrale de Lyon (2009 - 2017)
  • Member of the Council of the teaching Department MFAE (2011 - present)
  • Member of the CT2A committee (fluid dynamics) of the
    GENCI, French national high-performance computing (HPC) agency (2009 - 2016)
  • Member of the Scientific Council of INSIS (CNRS Institute for Engineering Sciences and Systems, 2010 - 2014)
  • Head of the Scientific Council of IROQUA (Initiative de Recherche pour l'Optimisation acoustiQUe Aéronautique or 'Research Initiative for Aeronautics Acoustic Optimization')
  • Head of Aero- and Hydro-Acoustics Group (GAHA) of the French Acoustical Society (SFA)
  • Member of the French Acoustical Society (SFA), of the French Society of Mechanics (AFM), of the European Mechanics Society (Euromech), and of the American Institute of Aeronautics and Astronautics (AIAA)



List of publications with the Centrale Lyon/LMFA affiliation - web page
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Turbulence book Turbulence book Bailly, C. & Comte-Bellot, G., 2015, Turbulence (in english),
Springer, ISBN 978-3-319-16159-4,
360 pages, 147 illustrations, Foreword by Charles Meneveau.


Additional publications with the Ecole Centrale Paris affiliation (1993-1996)

Macroscopic Molecular Energy and Combustion Laboratory (EM2C)
Béchara, W., Lafon, P., Bailly, C. & Candel, S., 1995, Application of a k-epsilon model to the prediction of noise for simple and coaxial free jets, J. Acoust. Soc. Am., 97(6), 3518-3531. pdf download pdf
Béchara, W., Bailly, C., Lafon, P. & Candel, S., 1994, Stochastic approach to noise modeling for free turbulent flows, AIAA Journal, 32(3), 455-463. pdf download pdf
Bailly, C., Lafon, P. & Candel, S., 1994, Computation of subsonic and supersonic jet mixing noise using a modified k-epsilon model for compressible free shear flows, Acta Acustica, 2(2), 101-112. pdf download pdf
Bailly, C., Lafon, P. & Candel, S., 1993, Jet noise predictions using a k-epsilon turbulence model, 15th AIAA Aeroacoustics Conference, 25-27 october, Long Beach (CA), USA, AIAA Paper 93-4412, 1-8. pdf download pdf
Bailly, C., Lafon, P. & Candel, S., 1995, A stochastic approach to compute noise generation and radiation of free turbulent flows, 1st AIAA/CEAS Aeroacoustics Conference, 12-15 june, München, Germany, AIAA Paper 95-092, 1-6. download pdf
Bailly, C., Candel, S. & Lafon, P., 1996, Computation of noise generation and propagation for free and confined turbulent flows, 2nd AIAA/CEAS Aeroacoustics Conference, 6-8 may, State College (PA), USA, AIAA Paper 96-1732, 1-8. pdf download pdf



Teaching at Centrale Lyon (3 years cursus/ L3, M1-M2; Masters’ Degree in Engineering)


Former course materials


Physics of turbulent flow (2021-2022)


The course covers various aspects of the physics of turbulent flows, with the aim to illustrate some recent results in a practical ways from experimental and numerical studies. The main objectives are the mastering of basic concepts (turbulence production, turbulence boundary layer, local equilibrium, role of vorticity, Kolmogorov's theory), the development of skill in turbulence modelling and in the analysis of results, and to provide also a comprehensive view of experimental and numerical approaches.
Exercises are regularly proposed (two homework assignments freely chosen in a list, involving signal processing or the development of simple models using Matlab among other thinks), two lab work (TP) are also proposed (numerical simulation of channel flow and hot wire anemometer measurements in a turbulent round jet) as well as a final small class (BE).
Final mark = 50% Knowledge + 50% Know-how, knowledge = 80% homework assignements + 20% lab work and know-how = 40% homework assignements + 60% lab work. For students involved in a MSc, there is an additional final exam (closed book and open notes), the final mark for the MSc is calculated by 50% final exam + 30% homework assignements + 20% lab work.

Bailly, C. & Comte-Bellot, G., 2003, Turbulence, CNRS éditions, Paris. (out of print, can be borrowed from the ECL library)
Bailly, C. & Comte-Bellot, G., 2015, Turbulence (in english), Springer, ISBN 978-3-319-16159-4
(360 pages, 147 illustrations).
Davidson, P. A., 2004, Turbulence. An introduction for scientists and engineers,
Oxford University Press, Oxford.
Pope, S.B., 2000, Turbulent flows, Cambridge University Press, Cambridge.
Turbulence book Turbulence book


Slides (progressively available)


Homework assignements must be uploaded on moodle:


Master exam


Order, chaos and fractals (2021)


Transparents (au fur et à mesure ...)


Exercices 2021
Merci de déposer vos exercices sur la plateforme moodle (plutôt un seul fichier pdf, fusionner vos différentes contributions le cas échéant, fichier nommé avec vos noms svp). Consulter la plateforme moodle pour le forum sur les exercices.
Voir aussi ce lien pour l'analyse spectrale Tutorial Matlab - Signal processing.


Bibliographie pour le mini-projet 2021


Turbulence & stability (2020-2021)





Introduction à Matlab

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