Field Testing a Full-Scale Tidal Turbine Part 3: Acoustic Characteristics

Conference Paper

Title: Field Testing a Full-Scale Tidal Turbine Part 3: Acoustic Characteristics
Publication Date:
September 09, 2015
Conference Name: 11th European Wave and Tidal Energy Conference
Conference Location: Nantes, France
Pages: 7
Stressor:
Technology Type:

Document Access

Website: External Link
Attachment: Access File
(4 MB)

Citation

Schmitt, P.; Elsaesser, B.; Coffin, M.; Hood, J.; Starzmann, R. (2015). Field Testing a Full-Scale Tidal Turbine Part 3: Acoustic Characteristics. Paper Presented at the 11th European Wave and Tidal Energy Conference, Nantes, France.
Abstract: 

Abstract—Like any new technology, tidal power converters are being assessed for potential environmental impacts. Similar to wind power, where noise emissions have led to some regulations and limitations on consented installation sites, noise emissions of these new tidal devices attract considerable attention, especially due to the possible interaction with the marine fauna. However, the effect of turbine noise cannot be assessed as a stand-alone issue, but must be investigated in the context of the natural background noise in high flow environments. Noise measurements are also believed to be a useful tool for monitoring the operating conditions and health of equipment. While underwater noise measurements are not trivial to perform, this non-intrusive monitoring method could prove to be very cost effective. This paper presents sound measurements performed on the SCHOTTEL Instream Turbine as part of the MaRINET testing campaign at the QUB tidal test site in Portaferry during the summer of 2014. This paper demonstrates a comparison of the turbine noise emissions with the normal background noise at the test site and presents possible applications as a monitoring system.

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