Romain Gojon

 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

 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 :

 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