Improved tank test procedures for scaled floating offshore wind turbines

Müller, Kolja; Sandner, Frank; Bredmose, Henrik; Azcona, José; Manjock, Andreas; Pereira, Reginaldo Sérgio

doi:10.18419/opus-8261

Cited by 3 publications

(2 citation statements)

References 37 publications

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“…The University of Ulsan (UOU) 10 MW design [97], the KIER TLP [98], and the EOLINK TLP [99] exemplify the wide use of the PSR method. Technical details and information on how the blades are designed and fabricated are out of the scope of this paper and can be found in references [28,51,100]. A MARIN PSR was used again to test the GustoMSC Tri-Floater, and the measured thrust matched the full-scale turbine predictions.…”

Section: Performance-scaled Rotormentioning

confidence: 99%

“…Building scaled models for hydrodynamic testing in a wave tank requires satisfying Froude (Fr) similitude conditions [25][26][27]. Nevertheless, the Reynolds number (Re) is decreased, and thereby the aerodynamic performance of the turbine is altered [28]. Accurately modelling mass (gravity and inertia) and mooring loads introduce further challenges to the testing environment.…”

Section: Introductionmentioning

confidence: 99%

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Experimental Challenges and Modelling Approaches of Floating Wind Turbines

Hmedi,

Uzunoglu,

Zeng

et al. 2023

JMSE

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This paper reviews experimental methods for testing floating wind turbines. The techniques covered include early-stage and up-to-date approaches such as a porous disc method and hybrid model testing. First, the challenges induced by Froude and Reynolds similitudes and the importance of the various aerodynamic phenomena are discussed. The experimental methods are evaluated based on their cost, versatility, requirements, and limitations. The work primarily focuses on representing aerodynamic loads via hybrid and physical rotor testing, and a preliminary classification is proposed to facilitate the selection of the approaches. The work does not aim to identify an optimal method, but it provides insights into each method’s distinctive features, serving as a roadmap for selecting the most appropriate methodology based on the specific testing goals and level of accuracy. Overall, this study offers a comprehensive resource for testing the coupled hydrodynamic and aerodynamic performance of floating wind turbines. The conclusions offer guidance for selecting an appropriate methodology based on the desired testing outcome.

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Section: Performance-scaled Rotormentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Experimental Challenges and Modelling Approaches of Floating Wind Turbines

Hmedi,

Uzunoglu,

Zeng

et al. 2023

JMSE

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Coupled MBS-CFD simulation of the IDEOL floating offshore wind turbine foundation compared to wave tank model test data

Beyer

Choisnet

Kretschmer

et al. 2015

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Coupled Testing of Floating Wind Turbines in Waves and Wind Using Winches and Software-in-the-Loop

Antonutti¹,

Poirier

Gueydon³

2020

Day 2 Tue, May 05, 2020

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In 2017 the authors conducted an experimental hydro-aero-dynamic (station-keeping) campaign in MARIN's Offshore Basin aimed at validating its floating offshore wind turbine simulation tools. Since wind turbine dynamics cannot be readily downscaled in presence of Froude-scaled hydrodynamics, a bespoke coupling approach was developed. This was based on real-time load actuation using a winch system jointly with simulation software running on a data feed from the basin acquisition system. The result was a software-in-the-loop experimental setup allowing to introduce controlled aerodynamic loading in the tests based on both the model's live response and simulated turbine physics. The software involved in this campaign, specifically developed for this task, is a customised version of NREL FAST, a standard open-source wind turbine simulator. Software-in-the-loop strategy emerges as a viable option to introduce multi-physical coupling in floating wind turbine tests in a controlled way.

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Improved tank test procedures for scaled floating offshore wind turbines

Cited by 3 publications

References 37 publications

Experimental Challenges and Modelling Approaches of Floating Wind Turbines

Experimental Challenges and Modelling Approaches of Floating Wind Turbines

Coupled MBS-CFD simulation of the IDEOL floating offshore wind turbine foundation compared to wave tank model test data

Coupled Testing of Floating Wind Turbines in Waves and Wind Using Winches and Software-in-the-Loop

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