Application of a Beamforming Technique to the Measurement of Airfoil Leading Edge Noise

<table>Chosen integration volume for airfoil leading edge noise (sample sound map: nonporous reference airfoil, PPS 12/2 turbulence grid, <svg height="15.4" id="M79" style="vertical-align:-3.39066pt" version="1.1" viewbox="0 0 55.174999 15.4" width="55.174999" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> m/s, CLEAN-SC, 2 kHz third-octave band).</table>

Advances in Acoustics and Vibration

fig6

Figure 6

Figure 6: Application of a Beamforming Technique to the Measurement of Airfoil Leading Edge Noise 