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The knowledge about the physical properties of materials is of high importance for research and development in acoustics. A standardized method for the determination of acoustic impedances is the impedance measuring tube based on the transfer functions method according to ISO 10534-2. This engineering brief presents the development of an impedance measuring tube with an internal diameter of 8 mm for acoustical impedance measurements in the range of 60 Hz to 20 kHz. The impedance tube was validated by comparison of the measurement results to analytical results of the rigid termination, the open-ended tube, and the empty sample holder.
Author (s): Schlieper, Roman; Li, Song; Peissig, Jürgen
Affiliation:
Leibniz Universität Hannover, Hannover, Germany
(See document for exact affiliation information.)
AES Convention: 144
Paper Number:443
Publication Date:
2018-05-06
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Session subject:
e-Brief Posters—2
Permalink: https://aes2.org/publications/elibrary-page/?id=19556
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Schlieper, Roman; Li, Song; Peissig, Jürgen; 2018; Development and Validation of a Full Range Acoustic Impedance Tube [PDF]; Leibniz Universität Hannover, Hannover, Germany; Paper 443; Available from: https://aes2.org/publications/elibrary-page/?id=19556
Schlieper, Roman; Li, Song; Peissig, Jürgen; Development and Validation of a Full Range Acoustic Impedance Tube [PDF]; Leibniz Universität Hannover, Hannover, Germany; Paper 443; 2018 Available: https://aes2.org/publications/elibrary-page/?id=19556