Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/25714
Title: The characteristics of acoustic line array prototypes for scale model experiments
Authors: Piippo, KE
Tang, SK 
Keywords: Scale model
Sound source
Issue Date: 2011
Publisher: Pergamon Press
Source: Applied acoustics, 2011, v. 72, no. 11, p. 884-888 How to cite?
Journal: Applied acoustics 
Abstract: The sound fields created by three different settings of a 5 m long linear loudspeaker array were studied experimentally in the present investigation in an attempt to find out a method to produce a reasonable sound field for scaled down model experiments. The first setting was with all the loudspeakers facing vertically upward, while the second setting was with all the loudspeakers facing the horizontal. The last one resembled the first setting but the loudspeakers were put inside a small partial enclosure whose opening was facing vertically upward. Results show that the last setting can produce a sound field with characteristics close to those of a two-dimensional sound field. The second setting results in a sound directivity pattern relevant to that of the measured A-weighted traffic noise.
URI: http://hdl.handle.net/10397/25714
ISSN: 0003-682X
EISSN: 1872-910X
DOI: 10.1016/j.apacoust.2011.05.001
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