In the framework of SHANEL, a joint Franco-German research project financed for Onera by the DPAC [ Aeronautic Civil Programs Agency], specialists in aerodynamics at Onera used the in-house" software package elsA to calculate the blade-vortex interactions on a rotor [rotor Bo 105] during descent flight. A grid of 31 million points was needed in order to calculate the flow domain.

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Onera and the Optical Institute have just obtained the first visible spectral image using an airborne camera that they made. This has enabled them to take a position in the hyperspectral imaging field.

Before launch, the French navy's ships are tested in wind tunnels to define their conditions of use.

Leosphere, a company specializing in atmospheric measurements, has been working together with Onera since its creation. This collaboration is so close that a researcher from the organization has joined the SME.

Drones seem to be more suitable for certain dangerous, long or routine missions than manned machines. But they must be able to take certain correct decisions according to the conditions they encounter. This is the purpose of the ReSSAC project.

When a wall incurves abruptly, as the rear glass of a car does, the flow is not able to follow the shape of the wall and separates from it: there is flow detachment. Flow separation is involved in many aeronautic applications. The flight domain of an aircraft as well as the working limits of its engines can be limited by this phenomena. That is why studies focus on understanding and predicting flow detachment.

A viscous coating can be used to visualize the current lines on the surface of a model surrounded by a flow. These lines are also called friction lines.

Future miniature drones must be supplied by miniature energy sources. The best adapted seem to be micro-turbines. However, designing of turbines measuring a few cubic centimetres is a bit chancy. Researchers are looking into flow modification, the design of new geometries, micro-manufacturing and thermal studies.

Infrared light detectors allow all the objects that are not at the same temperature as their environment to be observed. They have many applications in the military and civilian fields. But these detectors are more complex than visible spectrum cameras, since they themselves emit infrared radiation. Several technologies coexist to cover all uses.