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Installation noise measurements of model SR and CR propellers

Patricia J. W. Block

Abstract

Noise measurements on a 0.1 scale SR-2 propeller in a single and counter rotation mode, in a pusher and tractor configuration, and operating at non-zero angles of attack are summarized. A measurement scheme which permitted 143 measurements of each of these configurations in the Langley 4- by 7-meter low speed tunnel is also described.

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Available abstract

Key concepts: Propeller, Noise (video), Metre, Tractor, Rotation (mathematics), Marine engineering, Acoustics, Scale (ratio)