In-flight acoustic test results for the SR-2 and SR-3 advanced-design propellers

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 27 Jun 1983Publisher:American Institute of Aeronautics and Astronautics (AIAA)Journal:19th Joint Propulsion Conference

Authors: P. LASAGNA; K. MACKALL; R. COHN;

doi: 10.2514/6.1983-1214

In-flight acoustic test results for the SR-2 and SR-3 advanced-design propellers

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Abstract

Several advanced-design propellers, previously tested in the wind tunnel at the Lewis Research Center, have been tested in flight at the Dryden Flight Research Facility. The flight-test propellers were mounted on a pylon on the top of the fuselage of a JetStar airplane. Acoustic data for the advanced-design SR-2 and SR-3 propellers at Mach numbers to 0.8 and helical-tip Mach numbers to 1.15 are presented; maximum blade-passage frequency sound-pressure levels are also compared.

Related Organizations

National Aeronautics and Space Administration
United States

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In-flight acoustic results from an advanced-design propeller at Machnumbers to 0.8
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