Aerodynamics, Energetics and Propulsion Department - DAEP

The Aerodynamics, Energetics and Propulsion Department is comprised of 62 people, 30 research projects, including 5 European scale projects, and exceptional teaching and research testing equipment. The Department also hosts three research groups focusing on four topics defined by current scientific and socio-economic challenges and two key projects: the SAA wind tunnel and the IC3 Large eddy simulation code.

In 2016, the DAEP is comprised of 19 professors, 3 Research-Fellows, 20 doctoral students and 10 post-doctoral students. It publishes from 15-20 articles a year in the best international reviews. It participates in and is invited to the best international conferences on research themes (APS-DFD, TSFP, Turbo-Expo, ETC...).

Research groups

Departmental research is organized on the basis of three core research groups :

  • D2F: Fundamental fluid dynamics
  • AEX: External aerodynamics
  • TMP: Turbomachines and Propulsion

The department works closely with the scientific community on the Toulouse site as well as common research projects with French and international academic partners both on formal bases and relying on researcher to researcher connections. The department also has research agreements and contracts with major aeronautics firms, equipment suppliers and sub-contractors.

D2F Fundamental fluid dynamics Group

Research conducted in this group focuses on making scientific advances and developing methods upstream from the application. They focus on configurations of interests to applied research (carried out in AEX and TMP groups) which serve as a basis for more fundamental approaches. Among other areas, the D2F group has longstanding expertise in physics and modelling of transitional and turbulent non-reactive single phase flows under the influence of solid walls, strong density variations or shock waves. The group also develops, higher order compact spectral methods for the simulation of compressible flows on unstructured mesh. Thanks to recent hires and renewed efforts in this field, the group combined its skills into the development of the IC3 structuring project for the massively parallel efficient simulation of high Reynolds number flows (DNS, LES). This group project goes along with the reorientation of target flow configurations towards high Reynolds number aerodynamics and a ramp up on subjects of interest for aeronautics applications: the shock-wave boundary layer interaction, aeroacoustics, fluid-structure interaction, high order numerical methods tailored for applied configurations, and massive parallelization for Large Eddy Simulation.

AEX External aerodynamics group

Research conducted in the AEX group focuses on understanding and predicting physical phenomena of external aerodynamics from low order Reynolds numbers, for drone applications, to very large Reynolds numbers, for civil or military aeronautics applications and space applications. The group particularly focuses on complexities stemming from local or massive separation encountered in aeronautics configurations in complex geometries (nacelle- -wing interaction, lifting surface in close interaction with a rotor, distributed or embedded propulsion systems).

This research requires the development and use of large scale experimentation means and advanced simulation tools. Research activity on microdrones is part of the ATRI or Cross-disciplinary Research and Innovation Action of ISAE-SUPAERO as well as the GIS (Microdrone Scientific Interest Group).

Within the AEX, it is deployed in three areas:

  • long endurance drones,
  • stationary and convertible microdrones,
  • latest generation microrotors.

In particular this group has expanded the scope of research to include aerocoustics and aeroelasticity.

TMP Turbomachine and Propulsion group

Research in the Turbomachinery and Propulsion group aims to identify and provide solutions to the scientific challenges facing the aeronautics industry. The topics addressed are in line with the main objectives of the European aeronautics policy such as the growing electrification of aircraft and the increase of the performance of aircraft engines. Research is carried out in close collaboration with aircraft manufacturers, engine manufacturers and equipment suppliers as well as academic partners. There are two core scientific approaches: the analysis of physical phenomena of off-design behavior ( mild or severe) of components that are isolated or integrated in their environment, and the global analysis of propulsive and non-propulsive complex turbomachinery systems. This scientific policy uses test benches for components and complete systems, customized calculation tools and original analysis methods (system modelling). The group benefits from a five year support agreement with Safran-Tech under the AEGIS sponsorship chair.

Scientific topics

  • MSE: Modelling and Simulation of flows
  • 4AC: Experimental and digital acoustics for aeronautics applications
  • APD: Aerodynamics and propulsion of resilient, silent, convertible drones
  • ARI: Innovation in aircraft and propulsion system integrated architecture

Research is based on two structural projects:

  • SAA: Aerodynamic and aerocoustic wind tunnel
  • IC3: High-order Compact Compressible Code
Aerodynamic and aerocoustic wind tunnel (SAA)

Flow of scientific publications of the DAEP

Wissocq Gauthier, Gourdain Nicolas, Malaspinas Orestis, Eyssartier Alexandre

Regularized characteristic boundary condition for the Lattice Boltzmann methods at high Reynolds number flows

(2017) Journal of Computational Physics, vol. 331 pp. 1-18 ISSN 0021-9991

Rossitto Giacomo, Sicot Christophe, Ferrand Valérie, Borée Jacques, Harambat Fabien

Aerodynamic performances of rounded fastback vehicle

(2017) Proceedings of the Institution of Mechanical Engineers, Part D: journal of automobile engineering ISSN 0957-6509

Gavrilovic Nikola, Bénard Emmanuel, Pastor Philippe, Moschetta Jean-Marc

Performance Improvement of Small UAVs Through Energy-Harvesting Within Atmospheric Gusts

(2016) In : AIAA SciTech Forum 2017, 9 January 2017 - 13 January 2017 (Grapevine, Texas, USA)

Thacker Adrien, Garcia Rosa Nicolas, Dufour Guillaume

Experimental Analysis of the Unsteady, Turbulent Flow through the Fan Stage of a High-Bypass Turbofan in Windmilling Conditions

In : 12th European Conference on Turbomachinery Fluid dynamics and thermodynamics ETC12, 3 April 2017 - 7 April 2017 (Stockholm)

Joksimovoc Aleksandar, Duplaa Sébastien, Bousquet Yannick, Carbonneau Xavier, Tantot Nicolas

Local and global analysis of a variable pitch fan turbofan engine

In : European Conference on Turbomachinery Fluid dynamics & Thermodynamics, 3 April 2017 - 7 April 2017 (Stockholm)

Bodart Julien, Scalo Carlo, Shelekhov Grigory, Joly Laurent

Separation delay via hydro-acoustic control of a NACA4412 airfoil in pre-stalled conditions

In : 55th AIAA Aerospace Sciences Meeting, 9 January 2017 - 13 January 2017 (Grapevine, Texas)

All scientific publications

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