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Inertial Attached Length of an Orifice at High Sound Pressure Levels

Inertial Attached Length of an Orifice at High Sound Pressure Levels Abstract Effect of sound pressure level on acoustic impedance of an orifice in a baffle is investigated based on the measurements performed in an impedance tube by the two-microphone method. Dependences of imaginary and real parts of impedance on the orifice diameter are obtained in nonlinear conditions. Special attention is paid to the attached length (the end correction) of the orifice. Dependence of the attached length of an orifice on the oscillating velocity in it is approximated by analytic functions. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acoustical Physics Springer Journals

Inertial Attached Length of an Orifice at High Sound Pressure Levels

Acoustical Physics , Volume 64 (3): 6 – May 1, 2018

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References (19)

Publisher
Springer Journals
Copyright
2018 Pleiades Publishing, Ltd.
ISSN
1063-7710
eISSN
1562-6865
DOI
10.1134/s1063771018020100
Publisher site
See Article on Publisher Site

Abstract

Abstract Effect of sound pressure level on acoustic impedance of an orifice in a baffle is investigated based on the measurements performed in an impedance tube by the two-microphone method. Dependences of imaginary and real parts of impedance on the orifice diameter are obtained in nonlinear conditions. Special attention is paid to the attached length (the end correction) of the orifice. Dependence of the attached length of an orifice on the oscillating velocity in it is approximated by analytic functions.

Journal

Acoustical PhysicsSpringer Journals

Published: May 1, 2018

Keywords: Acoustics

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