24-Sept-17
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Laboratoire de Mécanique des Fluides et d'Acoustique, UMR 5509 Centre Acoustique Laboratoire de Mécanique des Fluides et d'Acoustique
UMR CNRS 5509
Center for Acoustics - LMFA
   ECL   LMFA 

 

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logo CAA Fluides et énergie - UE FLE 1A, S5 - Sept. 2017
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logo CAA Linear and nonlinear wave propagation in fluids waves in fluids

 

Slides 2016-2017

 

Classrooms & homeworks

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logo CAA Physics of turbulent flow

Outline

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, role of vorticity, Kolmogorov's theory), to have a comprehensive view of experimental and numerical approaches, to develop skill in turbulence modelling and in the analysis of results. Homeworks are regularly proposed (4 exercices in a list of most than 10, freely selection, may involve signal processing and the development of simple models using Matlab), 2 practical works are also proposed (numerical simulation of the mean flow in a channel, and hot wire anemometer measurements in a turbulent round jet) as well as a final small class. The final mark is obtained through continuous assessment (exercices 70% and practical works 30%).

References

Bailly, C. & Comte-Bellot, G., 2003, Turbulence, CNRS éditions, Paris. (out of print, avalaible at 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 (available progressively)

 

Homework 2017-2018

 

Master exam, Wednesday 4 January 2017, 16h30-18h30, room 112.
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logo CAA Propagation en écoulement et aéroacoustique (ENSTA, 2ème année, MSE12)

 

ENSTA ParisTech Saclay
  • Introduction, enjeux et motivations
  • Propagation acoustique en milieu non homogène (océan, atmosphère), linéarisation des équations d'Euler, acoustique géométrique et théorie des rayons
  • Description de sources acoustiques élémentaires, couplages aéroacoustiques
  • Théorie de Lighthill. Application au bruit des jets
  • Quelques exemples de calcul direct du bruit d'origine aérodynamique

     

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