2021
DOI: 10.3390/jmse9090946
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Round Robin Testing: Exploring Experimental Uncertainties through a Multifacility Comparison of a Hinged Raft Wave Energy Converter

Abstract: The EU H2020 MaRINET2 project has a goal to improve the quality, robustness and accuracy of physical modelling and associated testing practices for the offshore renewable energy sector. To support this aim, a round robin scale physical modelling test programme was conducted to deploy a common wave energy converter at four wave basins operated by MaRINET2 partners. Test campaigns were conducted at each facility to a common specification and test matrix, providing the unique opportunity for intercomparison betwe… Show more

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Cited by 15 publications
(8 citation statements)
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“…The paper is structured such that Section 2 establishes the experimental case study, environmental test conditions and SDW approaches considered; Section 3 presents the results for the short-term irregular sea states; Sections 4, 5 present the results for the single and constrained SDWs, respectively; Section 6 discusses the performance of the various techniques with suggestions on future improvements that could be made; and finally, the recommendations and conclusions are drawn in Section 7. 10.3389/fenrg.2022.1069108 2 Physical modelling campaign Experiments are conducted in the Ocean Basin at the COAST Laboratory; a facility that is 35 m in length, 15.5 m wide and has an adjustable floor to allow for a range of operating water depths up to a maximum of 3 m. The operational water depth is set to 1.5 m in this work, based on the EMEC Billia Croo Wave Test Site and consistent with previous work conducted on a similar device through the Marinet-2 project (Davey et al, 2021).…”
Section: Introductionmentioning
confidence: 97%
“…The paper is structured such that Section 2 establishes the experimental case study, environmental test conditions and SDW approaches considered; Section 3 presents the results for the short-term irregular sea states; Sections 4, 5 present the results for the single and constrained SDWs, respectively; Section 6 discusses the performance of the various techniques with suggestions on future improvements that could be made; and finally, the recommendations and conclusions are drawn in Section 7. 10.3389/fenrg.2022.1069108 2 Physical modelling campaign Experiments are conducted in the Ocean Basin at the COAST Laboratory; a facility that is 35 m in length, 15.5 m wide and has an adjustable floor to allow for a range of operating water depths up to a maximum of 3 m. The operational water depth is set to 1.5 m in this work, based on the EMEC Billia Croo Wave Test Site and consistent with previous work conducted on a similar device through the Marinet-2 project (Davey et al, 2021).…”
Section: Introductionmentioning
confidence: 97%
“…More recently and relevantly, the MaRINET2 project coordinated round robin tests for generic wave, floating wind, and tidal energy converters tested in multiple hydrodynamic test laboratories. Regarding wave energy, a deep water hinged raft WEC was tested in irregular waves across four laboratories [6]. Findings showed mean values of sea states, motions, power, and mooring loads results were consistent across laboratories to within 5-15%, but maximums sometimes varied significantly (35%+).…”
Section: Introductionmentioning
confidence: 98%
“…This staged approach has been adopted in the latest international standards [13] to provide a development pathway with research and development processes appropriate to the Technology Readiness Level (TRL) of the project. Understanding the uncertainties in the laboratory is key to understanding the significance of the measured data and results [14,15]. Small scale hydrodynamic model tests are usually performed according to Froude's scaling law [16,17].…”
Section: Introduction Wave Energy Convertermentioning
confidence: 99%