TY - CONF
T1 - Marinet2 - round robin tests
T2 - 14th European Wave and Tidal Energy Conference, EWTEC 2021
AU - Martinez, R.
AU - Ordonez-Sanchez, S.
AU - Gaurier, B.
AU - Facq, J. V.
AU - Germain, G.
AU - Johnstone, C.
AU - Santic, I.
AU - Salvatore, F.
AU - Davey, T.
AU - Old, C.
AU - Sellar, B.
N1 - Funding Information:
Paper ID: 2303; Conference track: TDD. This work has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 731084 (MaRINET2 project). This work is also partly financially supported by the European Union’s European Regional Development Fund (ERDF), the French government, IFREMER and the region Hauts-de-France in the framework of the project CPER 2015-2020 MARCO.
Publisher Copyright:
© European Wave and Tidal Energy Conference 2021.
PY - 2021
Y1 - 2021
N2 - In order to understand the influence different marine research facilities have on the loading and performance of a generic tidal turbine model, a set of Round Robin Tests is undertaken under the MaRINET2 project. These tests are performed in two recirculating tanks and one towing tank. These facilities are chosen as they all provide low blockage ratios using a 0.724m diameter turbine. For the tests to be successful, the turbine model and the flow conditions have to be the same at all facilities. Two flow velocities, with and without waves are tested. Current and wave generation methodologies play an important role in the flow characteristics that will eventually influence the turbine model behaviour. The blade loading coefficients are computed using a discintegrated flow average to account for any flow gradients that may occur within the rotor area. Average blade loading coefficient trends are similar between facilities for TSR values lower than 3. For higher TSR values, however, coefficients can be up to 10% different. These differences are attributed to intrinsic characteristics (e.g. turbulence intensity) of each facility and blockage effects. Relative standard deviation values increase for TSR lower than 3 and start decreasing thereafter. Frequency response of the streamwise force Fx is highly influenced by the turbulence intensity of the flow.
AB - In order to understand the influence different marine research facilities have on the loading and performance of a generic tidal turbine model, a set of Round Robin Tests is undertaken under the MaRINET2 project. These tests are performed in two recirculating tanks and one towing tank. These facilities are chosen as they all provide low blockage ratios using a 0.724m diameter turbine. For the tests to be successful, the turbine model and the flow conditions have to be the same at all facilities. Two flow velocities, with and without waves are tested. Current and wave generation methodologies play an important role in the flow characteristics that will eventually influence the turbine model behaviour. The blade loading coefficients are computed using a discintegrated flow average to account for any flow gradients that may occur within the rotor area. Average blade loading coefficient trends are similar between facilities for TSR values lower than 3. For higher TSR values, however, coefficients can be up to 10% different. These differences are attributed to intrinsic characteristics (e.g. turbulence intensity) of each facility and blockage effects. Relative standard deviation values increase for TSR lower than 3 and start decreasing thereafter. Frequency response of the streamwise force Fx is highly influenced by the turbulence intensity of the flow.
KW - Loading and performance
KW - Round robin tests
KW - Tidal turbine
UR - http://www.scopus.com/inward/record.url?scp=85120050343&partnerID=8YFLogxK
M3 - Paper
AN - SCOPUS:85120050343
Y2 - 5 September 2021 through 9 September 2021
ER -