Noise survey of a full-scale supersonic turbine-driven propeller under static conditions

Max C. Kurbjun
naca-tn-4059
Jul 1957


Overall sound-pressure levels and frequency spectra of the noise emitted from a full-scale, 7.2-foot-diameter, 3,500-rpm, three-blade, supersonic propeller mounted on a turbine- powered airplane have been obtained under static conditions at stations about the propeller at a 100-foot radius.

An Adobe Acrobat (PDF) file of the entire report:
http://naca.central.cranfield.ac.uk/reports/1957/naca-tn-4059.pdf