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Effectiveness of an inlet flow turbulence control device to simulate flight noise fan in an anechoic chamber [PDF]

open access: yes
A hemispherical inlet flow control device was tested on a 50.8 cm. (20-inch) diameter fan stage in the NASA-Lewis anechoic chamber. The control device used honeycomb and wire mesh to reduce turbulence intensities entering the fan.
Mackinnon, M. J.   +3 more
core   +1 more source

The Localization of Pure Tones [PDF]

open access: yesProceedings of the National Academy of Sciences, 1934
S S, Stevens, E B, Newman
openaire   +2 more sources

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