In the first part of this paper, the ONERA methodology concerning the post-processing of the PIV data obtained during the HART II campaign is described. The vortex geometry and the vortex parameters are studied for different configurations. In the second part, the validation of the different steps of the ONERA...
Space based sensors enable continuous observations of the convective activity over the whole earth. The ORAGES mission is designed to locate and detect the VHF emissions of lightning from space with a storm scale resolution. The altitude of the orbit will be at 700-800 km with an inclination of 20-25°...
A research ramjet program has been initiated at ONERA with the support of DGA/SPNuc in 1995 with the aim to improve methodology for ramjet combustion chamber design and tuning by using validated CFD codes. The approach used was to design and manufacture a specific ramjet model in order to setup...
This initial study was limited to linear aerodynamic conditions, the tests being performed at Mach 0.6. The second tests campaign, held in 2001, had three main objectives: - unsteady transonic aerodynamic measurements for a wing with elevator, - classical flutter study in transonic flow conditions, - observation, if possible, of...
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