منابع مشابه
Rotational aerophones.
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...
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ژورنال
عنوان ژورنال: Journal of Research of the National Bureau of Standards, Section C: Engineering and Instrumentation
سال: 1962
ISSN: 0022-4316
DOI: 10.6028/jres.066c.032