Acquisition d’un système de métrologie pour Laboratoire de Mécanique des Fluides et d’Acoustique – (UMR5509 - CNRS)

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The Fluid Mechanics and Acoustics Laboratory wishes to acquire a metrology system for the spatial and temporal characterization of fluid flows by measuring the 3 velocity components (3D3C), using 2 complementary methods: - Spatial and temporal Lagrangian tracking of particles (4D-PTV) by measuring the individual particle trajectories and with the possible projection of results onto an Eulerian grid, with particle number densities similar to those used in PIV. - Tomographic PIV by spatial reconstruction of the particle locations at each time step. This contract includes all the hardware portion of the system (cameras, lenses, illumination, computer, …) as well as the entire acquisition and data processing software chain and synchronization between the different hardware elements. As this purchase forms part of a shared acquisition among several CNRS laboratories (CORIA, ICARE, IMFT, IRPHE, IUSTI, LEGI, LHEEA, LMFA, PPRIME…), the proposed equipment must be compact, have a reduced setup time while guaranteeing optimal reproducibility, be able to cover a wide range of measurement volumes, and be easily transportable from one laboratory to another. The joint acquisition of such…

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