News

10 years of adaptive optics with NACO (NAOS-CONICA)
Very Large Telescope
10 years of adaptive optics with NACO (NAOS-CONICA)

Thanks to the atmospheric turbulence correction system NAOS, developed under ONERA management, the discoveries of the VLT have been exceptional: planetary details of our solar system, the first images of an exoplanet, the revelation of a super massive black hole in our galaxy, etc.

Issue 3: High Temperature Materials
Aerospace Lab Journal
Issue 3: High Temperature Materials

The third issue of Aerospace Lab, the Onera International Journal, is on line on www.aerospacelab-journal.org. It is devoted to High Temperature Materials. 

The great heats of Martian aerocapture
Astronautics
The great heats of Martian aerocapture

End of the European project AEROFAST relating to Martian aerocapture. Thanks to its expertise in aerothermodynamics, ONERA has selected a design by numerical simulation that will allow orbiters to be economically placed in orbit around Mars.

elsA simulates a complete aircraft in high-lift configuration
Numerical Aerodynamics
elsA simulates a complete aircraft in high-lift configuration

A first for the CFD software elsA: the calculation of a complete civil transport aircraft in high-lift configuration

Reconciliation of calculation time and complexity
Aeroacoustics
Reconciliation of calculation time and complexity

An acoustic propagation calculation with hybrid coupling meshing methods has shown the importance of the process for industrial applications 

The Activities of ONERA in regard to Lightning Protection
Soyuz in Kourou
The Activities of ONERA in regard to Lightning Protection

An ONERA team of specialists in electromagnetic compatibility gathered in Kourou in April 2011 to qualify the Soyuz launch site in regard to lightning protection 

Transparency under high thermo-mechanical stresses
Materials
Transparency under high thermo-mechanical stresses

Onera is developing perfectly transparent ceramics for applications in the aerospace and defense sectors where requirements are rigorous in terms of mechanical and thermal resistance. 

A new tool to characterize the atmospheric radiation environment
Space environment
A new tool to characterize the atmospheric radiation environment

Collaboration between ONERA, the Midi-Pyrénées Observatory and the IRSN to improve knowledge of natural radiation environments and their dynamics

Understanding the Turbulence that Causes Jet Noise
Metrology
Understanding the Turbulence that Causes Jet Noise

Velocity measurements using high-repetition-rate stereoscopic PIV make it possible to observe the large scale dynamics of jet turbulence in a wind tunne, opening the way to progress in the understanding of jet noise generation.