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

Pal Schmitt, Bjoern Elsaesser, Matthew Coffin, Joe Hood, Ralf Starzmann

    Research output: Contribution to conferencePaperpeer-review


    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 mon- itoring 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.
    Original languageEnglish
    Number of pages7
    Publication statusPublished - 06 Sep 2015


    • noise, tidal turbines, full scale, environmental impact


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