An Acoustic Intensity Meter
作者:
Stuart Baker,
期刊:
The Journal of the Acoustical Society of America
(AIP Available online 1955)
卷期:
Volume 27,
issue 2
页码: 269-273
ISSN:0001-4966
年代: 1955
DOI:10.1121/1.1907512
出版商: Acoustical Society of America
数据来源: AIP
摘要:
A device is described for measuring the intensity of an acoustic wave at a point. The instrument employs a crystal microphone as a pressure transducer, directional hot‐wire anemometer as a velocity transducer and an electronic multiplier and integrator. We can directly measure the intensity for any pressure or velocity wave form without having to assume any relationship between pressure and velocity. Several types of measurements have been made to indicate the present capabilities of the instrument.
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