Characterization of Unsteady Leakage Flow in an Axial Fan
Matteo Dellacasagrande,
Edward Canepa,
Andrea Cattanei
et al.
Abstract:The present work reports an experimental study of the leakage flow in a low-speed fan ring. Existing 2D Particle Image Velocimetry (PIV) measurements taken in a meridional plane in front of the rotor gap have been further processed and analyzed by means of the Proper Orthogonal Decomposition (POD). Three values of the dimensionless pressure rise across the rotor have been investigated. Namely, attention has been focused on the intermediate case—the one for which a strong radial oscillation in the leakage flow … Show more
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