Measurement of acoustic impedance in a resonant spherical enclosure
From measurements of the resonant frequency and the decay constant in the first radial mode of vibration of a spherical enclosure containing a concentric sphere of absorbent material, it is possible to obtain the acoustic impedance of this material. The experimental apparatus described
may be used for measurements of impedance of samples in various gases in different conditions of pressure and temperature.
Document Type: Research Article
Publication date: 01 January 1958
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