Please use this identifier to cite or link to this item: https://doi.org/10.1109/Oceans-Spain.2011.6003540
Title: Estimated flow noise levels due to a thin line digital towed array
Authors: Unnikrishnan, K.C. 
Pallayil, V. 
Chitre, M.A. 
Kuselan, S. 
Issue Date: 2011
Source: Unnikrishnan, K.C.,Pallayil, V.,Chitre, M.A.,Kuselan, S. (2011). Estimated flow noise levels due to a thin line digital towed array. OCEANS 2011 IEEE - Spain : -. ScholarBank@NUS Repository. https://doi.org/10.1109/Oceans-Spain.2011.6003540
Abstract: Flow noise levels for a digital thin line towed array for normal operating speeds of an AUV were estimated using empirical models and towing experiments. The wavenumber filtering associated with the finite size and distribution of hydrophones in acoustic element of DTLA was applied to the empirical models of turbulent wall pressure spectra to estimate the expected flow noise levels. The empirical results were then compared with the noise spectra measured during towing experiments conducted in a quiet lake. The results showed rapid loss of flow noise energy with increase in frequency arising due to the very nature of turbulent noise spectra and flow noise averaging introduced by the finite size of the hydrophone. © 2011 IEEE.
Source Title: OCEANS 2011 IEEE - Spain
URI: http://scholarbank.nus.edu.sg/handle/10635/70204
ISBN: 9781457700866
DOI: 10.1109/Oceans-Spain.2011.6003540
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