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Title: Directivity of train noise in the vertical plane
Authors: Chew, C.H. 
Keywords: Train noise profile
Vertical directivity pattern of train noise
Issue Date: Mar-2000
Citation: Chew, C.H. (2000-03). Directivity of train noise in the vertical plane. Building Acoustics 7 (1) : 41-56. ScholarBank@NUS Repository.
Abstract: Results from field measurements show that train noise exhibits a vertical directivity pattern. Measurements were made for track at grade and track on an elevated viaduct. Both sets of results showed that train noise increased with the angle of elevation, by about 6 dB(A) when the angle of elevation increases from 8° to 30°. A modified train noise model is proposed which could account for the observed vertical directivity pattern as well as matching the train noise profile.
Source Title: Building Acoustics
ISSN: 1351010X
DOI: 10.1260/1351010001501499
Appears in Collections:Staff Publications

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