Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/8883
Title: Sound transmission across duct constrictions with and without tapered sections
Authors: Lau, CK
Tang, SK 
Issue Date: 2005
Publisher: Acoustical Society of America
Source: Journal of the Acoustical Society of America, 2005, v. 117, no. 6, p. 3679-3685 How to cite?
Journal: Journal of the Acoustical Society of America 
Abstract: The sound power transmission loss across duct constrictions with linearly tapered sections is studied with the finite element method. Results show that the acoustic energy distributions of transmitted waves at high frequency depend critically on the exit configuration of the constriction. The corresponding strengths of these waves are very much affected by the entrance setup of the constriction. The difference between inlet and outlet impedance of a constriction leads to weaker resonant sound transmission.
URI: http://hdl.handle.net/10397/8883
ISSN: 0001-4966
EISSN: 1520-8524
DOI: 10.1121/1.1921549
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