Measurements of unsteady vortical flows with high speed Particle Image Velocimetry

Lead Research Organisation: University of Bath
Department Name: Mechanical Engineering

Abstract

A high speed Particle Image Velocimetry (PIV) system is proposed for the Engineering Instrument Loan Pool. With the proposed instrument, velocity field in a plane can be measured as a function of time, providing unique information about turbulence, flow dynamics, and spectral characteristics. It is proposed to use this instrument for velocity measurements of unsteady vortical flows over a flexible delta wing which exhibits spectacular lift enhancement compared to a rigid one.

Publications

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Gursul I (2007) Active Flow Control

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Taylor G (2007) Lift Enhancement over Flexible Nonslender Delta Wings in AIAA Journal

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Vardaki E (2008) Flow Reattachment and Vortex Re-formation on Oscillating Low-Aspect-Ratio Wings in AIAA Journal