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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/3634

Title: Visualising scattering underwater acoustic fields using laser Doppler vibrometry
Authors: Harland, Andy R.
Petzing, Jon N.
Tyrer, John R.
Issue Date: 2008
Publisher: © Elsevier
Citation: HARLAND, A.R., PETZING, J.N. and TRYER, J.R., 2008. Visualising scattering underwater acoustic fields using laser Doppler vibrometry. Journal of Sound and Vibration, 305, pp. 659–671 [doi:10.1016/j.jsv.2007.04.026]
Abstract: Analysis of acoustic wavefronts are important for a number of engineering design, communication and healthrelated reasons, and it is very desirable to be able to understand the interaction of acoustic fields and energy with obstructions. Experimental analysis of acoustic wavefronts in water has traditionally been completed with single or arrays of piezoelectric or magnetostrictive transducers or hydrophones. These have been very successful, but the presence of transducers within the acoustic region can in some circumstances be undesirable. The research reported here, describes the novel application of scanning laser Doppler vibrometry to the analysis of underwater acoustic wavefronts, impinging on circular cross section obstructions. The results demonstrate that this new non-invasive acoustics measurement technique can successfully visualise and measure reflected acoustic fields, diffraction and refraction effects.
Description: This journal article was published in the journal, Journal of of Sound and Vibration [© Elsevier] and the definitive version is available at: http://www.sciencedirect.com/science/journal/0022460X
URI: https://dspace.lboro.ac.uk/2134/3634
ISSN: 0022-460X
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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