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The Particle Image Velocimetry PIV is a recent technique for flow measurements through a non-intrusive methodology. The S-PIV-3D System was developed based on the PIV technique. In this system, similar principles to conventional systems were used with the addition of exclusive features, such as the optical method of image acquisition and the calibration process of the coordinate system leading to three-dimensional data using a single conventional camera. The results consist on three-dimensional velocity fields with production of interactive graphics, images and visualization tools. With these results the system enabled the application of the technique in teaching laboratories. A specific software was developed and a prototype with adaptation characteristics to a variety of measurement situations, especially those involving the demonstration of the kinematic behavior of the flow and its interaction with solid models, for example, common hydraulic studies, such as flow through cylinders, holes, bottom gates, sills, spillways and others. In order to be used in a teaching laboratory a water kinematic tunnel was developed. The equipment consists on an apparatus with flow production and provides controlled conditions for studies and visualization of the flow features with the application of the S-PIV-3D system. The description of this system demonstrates the possibility of deployment of advanced tools in didactics laboratories through self-development and low cost.

publicatio uepg. ciências exatas e da terra, ciências agrárias e engenharias./publicatio uepg. ciências exatas e da terra, ciências agrárias e engenharias

TÚNEL HIDROCINEMÁTICO – SISTEMA S-PIV-3D – VELOCIMETRIA ESTEREOSCÓPICA POR IMAGENS DE PARTÍCULAS