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Romain Gojon

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 Contact informations

Current position : Research assistant at ISAE-Supaero

e-mail  : romain.gojon isae-supaero.fr

phone : +33 5 61 33 84 60

Postal address :
10 avenue Edouard Belin BP 54032
31055 Toulouse Cedex 4, France

Location : Building 38, office 206 (DAEP)

 Available positions (Msc. projects, PhDs and PostDocs)

Positions available each year, contact me for more informations.

 Rotor noise

PNG - 903.7 ko

- large eddy simulations
— compressible Navier Stokes equations on unstructured grids
— Spectral Difference methods, high order of accuracy
— mesh containing up to 500 millions of nodes

- Experiments in an anechoic chamber
— directivity antenna and rotating table
— noise source localization

- noise generation mechanisms
- Analytical modelling of the noise sources
- Effects of the presence of a beam

 Shock Wave Boundary Layer Interactions


- large eddy simulations
— compressible Navier Stokes equations on unstructured grids
— Spectral Difference methods, high order of accuracy
- Low frequency oscillations of the shock wave
- Analytical modelling of the unsteady mechanisms

 Jet Noise

Supersonic jet noise :

Flash Video - 13.2 Mo

- large eddy simulations
— compressible Navier Stokes equations in cylindrical coordinates
— low-dissipation and low-dispersion numerical methods, high order of accuracy
— mesh containing up to 500 millions of nodes
- acoustic components specific to supersonic jets such as broadband shock-associated noise and screech noise
- noise generation mechanisms
- frequency-wavenumber decompositions, comparison with analytical dispersion relations

Supersonic impinging jets :

- large eddy simulations
— compressible Navier Stokes equations in cylindrical or cartesian coordinates
— low-dissipation and low-dispersion numerical methods, high order of accuracy
— mesh containing up to 300 millions of nodes
- noise generation mechanisms
- aeroacoustic feedback mechanism between the nozzle lips and the flat plate
- Analytical modelling of the aeroacoustic feedback

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