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AbstractThe wall shear stress is determined at the surface of a plane sheet of Plexiglas, taking the place of a membrane, using an electrochemical method. Several microelectrodes are mounted flush to this plane plate, and maps of shear stress are determined for two inlet and outlet configurations and three channel heights. The heterogeneity of the wall shear stress is observed for both configurations...
Abstract Particle image velocimetry (PIV) has been used in order to measure the three mean components and turbulence intensities of the velocity vector in a swirling decaying flow induced by a tangential inlet in an annulus. This kind of flow motion is found to be very complex, exhibiting three-dimensional and non-axisymmetric characteristics coupled with a free decay of the swirling intensity along...
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