Post-processing methods of PIV instantaneous flow fields for unsteady flows in turbomachines
Chapitre d'ouvrage scientifique
Résumé
The Particle Image Velocimetry is undoubtedly one of the most important technique in Fluid-dynamics since it allows to obtain a direct and instantaneous visualization of the flow field in a non-intrusive way. This innovative technique spreads in a wide number of research fields, from aerodynamics to medicine, from biology to turbulence researches, from aerodynamics to combustion processes. The book is aimed at presenting the PIV technique and its wide range of possible applications so as to provide a reference for researchers who intended to exploit this innovative technique in their research fields. Several aspects and possible problems in the analysis of large- and micro-scale turbulent phenomena, two-phase flows and polymer melts, combustion processes and turbo-machinery flow fields, internal waves and river/ocean flows were considered.
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Article dans une revue avec comité de lectureCAVAZZINI, Giovanna; PAVESI, Giorgio; DUPONT, Patrick; COUDERT, Sebastien; ARDIZZON, Giorgio; CAIGNAERT, Guy; BOIS, Gérard; DAZIN, Antoine (Springer Verlag (Germany), 2011)This paper presents an experimental analysis of the unsteady phenomena developing in a vaneless diffuser of a radial flow pump. Partial flow operating conditions were investigated using 2D/3C high repetition rate PIV, ...
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Article dans une revue avec comité de lectureDUPONT, Patrick; CAVAZZINI, Giovanna; PAVESI, Giorgio; CHERDIEU, Patrick; BOIS, Gérard; ROUSSETTE, Olivier; DAZIN, Antoine; BAYEUL-LAINÉ, Annie-Claude (EDP Sciences, 2015)The paper presents the analysis of the performance and the internal flow behaviour in the vaned diffuser of a radial flow pump using PIV (particles image velocimetry) technique, pressure probe traverses and numerical ...
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Communication avec acteCAVAZZINI, Giovanna; DUPONT, Patrick; PAVESI, Giorgio; BOIS, Gérard; DAZIN, Antoine; BAYEUL-LAINÉ, Annie-Claude (2013)PIV measurements were performed at mid hub section inside the impeller of a vaned diffuser pump model working with air. Several previous papers have already presented part of impeller flow characteristics mainly for vaneless ...
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Communication avec acteDUPONT, Patrick; MICCOLI, Lucio; CAVAZZINI, Giovanna; PAVESI, Giorgio; BOIS, Gérard; DAZIN, Antoine; BAYEUL-LAINÉ, Annie-Claude (2014)The paper presents the results of numerical analysis on the local and global internal flow behaviour at the inlet of the vaned diffuser of a radial flow pump model, taking into account the effect of fluid leakages for ...
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Communication avec actePAVESI, Giorgio; CAVAZZINI, Giovanna; CAIGNAERT, Guy; BOIS, Gérard; ARDIZZON, Guido; DAZIN, Antoine (EUROTURBO, 2011)The paper reports combined experimental and numerical investigations of unforced un- steadiness in a vaneless radial diffuser. Experimental data were obtained within the diffuser using stereoscopic time resolved Particle ...