Multi-component - Multi-dimensional PIV measurements of low Reynolds number flow around flat plate undergoing pitch-ramp motion

K. Kilany, C. Judde, J. Soria

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Abstract

High-rate low Reynolds number unsteady aerodynamics is experimentally investigated with a flat plate undergoing pitch-ramp motion at a Reynolds number Rec ≈ 7500. The experiments are conducted in a water tunnel where phase-triggered instantaneous 3 component - 2 dimensional (3C-2D) stereoscopic PIV (SPIV) measurements were carried out. The phase-triggered realizations were averaged to yield ensemble averaged 3C-2D SPIV which provided the evolution of the 3C-2D velocity field during the pitch-ramp motion. The evolution of both the leading and trailing edge vortices are revealed by the ensemble averaged vorticity field at the five discrete time steps during the ramp-hold-return motion sequence.

Original languageEnglish
Title of host publication39th AIAA Fluid Dynamics Conference
Publication statusPublished - 2009
Event39th AIAA Fluid Dynamics Conference - San Antonio, TX, United States of America
Duration: 22 Jun 200925 Jun 2009

Conference

Conference39th AIAA Fluid Dynamics Conference
Country/TerritoryUnited States of America
CitySan Antonio, TX
Period22/06/0925/06/09

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