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Noise characterization of a subsea tidal kite
Pál Schmitt1, Matthew K Pine2, Ross M Culloch3
1Marine Research Group, Queen's University Belfast, 12-13 The Strand, Portaferry, BT22 1PF, Northern Ireland, United Kingdom.
Abstract:
This paper presents the first noise measurements of a quarter-scale subsea tidal kite (anchored to the sea floor by a tether and flying in a figure-eight configuration in the water column) operating in field conditions. Challenges in the measurement and post-processing of the data are detailed. Results are presented for three operating conditions of the kite: (1) varying turbine rotations per minute (RPM), (2) varying kite speed, and (3) a twisted tether. Turbine RPM was identified as the main parameter influencing noise emissions.
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