Combining PIV, POD and vortex identification algorithms for the study of unsteady turbulent swirling flows

Graftieaux, Laurent; Michard, Marc; Grosjean, Nathalie

doi:10.1088/0957-0233/12/9/307

Public

Combining PIV, POD and vortex identification algorithms for the study of unsteady turbulent swirling flows

Published in Measurement Science and Technology • Aug 2, 2001

Authors:

Laurent Graftieaux

Marc Michard

Nathalie Grosjean

Abstract

Particle image velocimetry (PIV) measurements are made in a highly turbulent swirling flow. In this flow, we observe a coexistence of turbulent fluctuations and an unsteady swirling motion. The proper orthogonal decomposition (POD) is used to separate these two contributions to the total energy. POD...

Subject

Vortex

Turbulence

Particle image velocimetry

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