High-speed stereoscopic PIV study of rotating instabilities in a radial vaneless diffuser

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, coupled with unsteady pressure transducers. Pressure measurements were acquired on...

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Bibliographic Details
Published in:	Experiments in fluids Vol. 51; no. 1; pp. 83 - 93
Main Authors:	Dazin, A., Cavazzini, G., Pavesi, G., Dupont, P., Coudert, S., Ardizzon, G., Caignaert, G., Bois, G.
Format:	Journal Article
Language:	English
Published:	Berlin/Heidelberg Springer-Verlag 01-07-2011 Springer Springer Verlag (Germany)
Subjects:	Applied fluid mechanics Diffusers Engineering Engineering Fluid Dynamics Engineering Thermodynamics Exact sciences and technology Fluid dynamics Fluid- and Aerodynamics Fundamental areas of phenomenology (including applications) Heat and Mass Transfer Hydraulic and pneumatic machinery Instability Instrumentation for fluid dynamics Physics Pumps Research Article Shrouds Spectra Stability Unsteady Vaneless diffusers Unsteady Phenomenon Blade Passage Frequency Vaneless Diffuser Design Flow Rate Particle Image Velocimetry Test facilities Pumps Stereoscopy Hydrodynamic instability Radial flow Turbomachinery Particle image velocimetry Vaneless diffuser Experimental study Velocity measurement Pressure transducers Spectral analysis
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