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Rotational Aerophones

Fletcher, Neville H; Tarnopolsky, Alex Z; Lai, J C S


Free rotational aerophones such as the bullroarer, which consists of a wooden slat whirled around on the end of a string, and which emits a loud pulsating roar, have been used in many ancient and traditional societies for ceremonial purposes. This article presents an experimental and theoretical investigation of this instrument. The aerodynamics of rotational behavior is elucidated, and relates slat rotation frequency to slat width and velocity through the air. Analysis shows that sound...[Show more]

CollectionsANU Research Publications
Date published: 2002
Type: Journal article
Source: Journal of the Acoustical Society of America
DOI: 10.1121/1.1446053


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