Flow topology and acoustic emissions of trailing edge serrations at incidence

Arce León, Carlos; Ragni, Daniele; Pröbsting, Stefan; Scarano, Fulvio; Madsen, Jesper

doi:10.1007/s00348-016-2181-1

Public

Flow topology and acoustic emissions of trailing edge serrations at incidence

Published in Experiments in Fluids • May 1, 2016

Authors:

Carlos Arce León

Daniele Ragni

Stefan Pröbsting

Abstract

The flow past a NACA 0018 airfoil with sawtooth trailing edge serrations has been investigated using stereoscopic particle image velocimetry (PIV). The serration flap angle and airfoil incidence are varied in order to study the effect of secondary flow establishing between the suction and pressure s...

Subject

Serration

Airfoil

Streamlines

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