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CORDIS

COst REduction and increase performance of floating WIND technology

CORDIS provides links to public deliverables and publications of HORIZON projects.

Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Deliverables

Review of the state of the art of mooring and anchoring designs, technical challenges and identification of relevant DLCs (opens in new window)

Definition of the benchmark versus which developments in WP2 will be performed and will thus summarize current mooring and anchoring state of the art for floating wind projects currently installed or being engineered. Document will then identify the critical design parameters, constraints and key performance indicators. Finally design load cases for station keeping system will be specifically addressed in this document to complement WP1 output.

Floating Wind Installation Strategies (opens in new window)

Most promising installation strategies and scenarios for platform mooring lines and cables are identified in terms of cost time and risk also with support by numerical methods Cost effectiveness of different installation techniques is assessed with respect to weather windows infrastructure vessels and other parameters

Review of the state of the art of dynamic cable system designs (opens in new window)

Report defining state of the art in relation to dynamic cables for floating wind projects currently employed. Opportunities for technology exploitation for future development towards next level commercialization will also be identified.

LCOE, CAPEX and OPEX reduction: Key Performance Indicators and executive summary (opens in new window)

LCOE CAPEX and OPEX reduction report including optimization scenarios due to industrialization and largescale production and results from the surveys and workshop

Identification and assessment of final exploitable results (opens in new window)

Final analysis of innovations within the Project which may be considered as exploitable results At this stage clear decisions on innovations will be given

Report of initial kick-off meeting (opens in new window)

Information about the Kick-off Meeting will be delivered. It will include intial tasks, discussions and actions decided to be taken into account.

Condition monitoring strategies for floating Wind O&M (opens in new window)

Innovative Structural Health Monitoring SHM and remote Condition Monitoring CM technologies are investigated with a focus on floatingspecific aspects Relevant scenarios are developed and the influence and sensitivity of different SHMCM technologies on OM strategies and OPEX is assessed

Scientific and professional articles (opens in new window)

A summary of all articles published within the Project will be given

Floating Wind O&M Strategies assessment (opens in new window)

Advanced OM scheduling and planning methods which are adapted from fixedbottom offshore wind farms are developed for promising OM strategies defined in D41 Realistic scenarios with differences in vessel requirements accessibility and maintainability are analyzed in order to assess downtimes availability and OM costs considering experiences from existing floating wind farms

Methods for nonlinear forcing and wakes (opens in new window)

Method description and generic validation of the developed methods for nonlinear wave forcing Reporting of the wake study for wakeinduced response effects at the wind farm level

Definition of the 15MW Reference Wind Turbine (opens in new window)

Description and HAWC2 model of the 15MW reference wind turbine

Best practices for experimental modelling of mooring and cable dynamics for floating offshore wind (opens in new window)

Report which attempts to capitalize the knowledge developed within WP5

Design load basis (opens in new window)

Location, depth, met-ocean conditons, soil information, design load cases for the two 15MW floater-turbine concepts.

Identification of floating-wind-specific O&M requirements and monitoring technologies (opens in new window)

Requirements for O&M of floating wind are examined considering floating-specific aspects such as differences in accessibility, maintainability, workability and technology, highlighting differences to current state-of-the-art O&M requirements. Moreover, floating-specific monitoring technologies (e.g. mooring system, dynamic cable) are identified in order to contribute to advanced, optimized O&M strategies.

Identification and assessment of first exploitable results (opens in new window)

Preliminary analysis of innovations within the Project which may be considered as exploitable results.

Digital Models for floating offshore wind (opens in new window)

A decription and explanation of the open and agnostic digital tools developed to enhance and ease design installation and operation of the floating offshore wind farms will be given It will include details of the functionalities and user manual of the Digital Twin and BIM toolbox developed within WP4

Final market assessment and development needs (opens in new window)

Recommendations and industrialization considerations of the innovations will be given In addition next steps on market and Research will be defined in order to ensure its applicability and market impact

Preliminary market assessment and development needs (opens in new window)

Revision of current state of existing standards and guidelines for FOWT and others offshore activities; by the gaps and challenges identifications new standard updates will be given.

Design practices and guidelines for mooring, anchoring systems design (opens in new window)

Consolidating the findings of WP2 a report to inform best practices recommendations and design guidelines considering implications of different mooring and anchoring options within the context of next level commercial scale floating wind farms This will include technology roadmapping for challenges identified within the work scope undertaken to inform the industry on necessary next steps to achieve ambitions for floating wind within the envisaged timescales

Creation of the project corporate identity (opens in new window)

Explanation of the corporate identity of the Project. It will include a project logo (full colour, grayscale and black and white versions), a project slogan, social media design, newsletter design and templates for official communications, including MS PowerPoint presentations, MS Word documents and the project deliverables.

Identification and assessment of intermediate exploitable results (opens in new window)

Intermediate analysis of innovations within the Project which may be considered as exploitable results. At this stage, it will be analysed if new innovations have been obtained or if previous detected are still relevant.

Advanced HIL development for 15 MW turbine dynamics integration (opens in new window)

Detailed report describing the calibration and validation of the HIL including WT Trust forces and the main WT moments developed over the rotor

General frame of the analysis and description of the FOWAT tool (opens in new window)

Description report of the reference scenario including wind farm sites and configuration and FOWAT tool including LCA module description

Methods for multiple floaters and dynamic cables at farm level (opens in new window)

Model description of approach for multiple floaters, dynamic cable effects and shared mooring at wind farm level. The implementation into the numerical models is described and examples with the two floater designs are given.

Stochastic multi-objective optimization problem of electrical interconnection within an floating offshore wind farm (opens in new window)

This deliverable will report the results obtained by the optimization algorithm as well as the methodology developed to enhance the electrical layout minimizing costs loads and other decision aspects as the amount of Dynamic and static cable required

Integrated FOWT test report (opens in new window)

Detailed report describing test plan setup results and conclusions from the integrated FOWT tests

Design recommendations and impact of mooring and dynamic cables into integrated modelling and structural design (opens in new window)

The critical load cases for the floaterturbine configurations are reported Guidelines on how the detailed mooring solutions of WP2 and cable solutions of WP3 can be incorporated into global response modelling Investigation on how the mooring and cable dynamics affect the detailed structural design

Design practices and guidelines for dynamic cable systems design (opens in new window)

Consolidating the findings of WP3 a report to inform best practice and cost implications of cable options within the context of next level commercial scale floating wind farms This will include technology roadmapping for challenges identified within the work scope undertaken to inform the industry on necessary next steps to achieve ambitions for floating wind within the envisaged timescales

Final report of Social Media Campaign (opens in new window)

Update and final conclusions for all news and publications will be carried out Also the analysis of the number of followers visits retweets views etc will be given in order to analyse the impact of the communication and dissemination of the project Including a final evaluation of benefits and impact of it

Exploration of innovations and breakthroughs of station keeping systems for FOWT (opens in new window)

Deliverable D23 delivers innovations of station keeping systems from component to system level First reduction of ultimate loads and maximum tensions is investigated through performance assessment of new elastic mooring and damper solutions Second combinations of mooring types materials and anchors are considered in order to reduce the total amount of material and overall footprint Third reduction of mooring line fatigue loads in operational conditions is investigated through wind turbine controller tuning Finally conventional mooring materials are used for the purpose of analyzing the impact of shared anchors and shared mooring lines on ultimate loads and potential resonance effects

Initial report of Social Media Campaign (opens in new window)

A summary of all news, publications will be given. Also, the analysis of the number of followers, visits, retweets, views, etc will be given in order to analyse the impact of the communication and dissemination of the project.

Final newsflash (opens in new window)

Preparation of a last Newsflash in line with key project outputs through its network and the networks provided by the project partners

Video (opens in new window)

A video will be produced to disseminate the project activities and key outcomes It will feature the main deployments and benefits of the outcomes as well as their final cost reduction potential

Final flyers (opens in new window)

An updated onepage flyer will be created presenting project results objectives achieved tests performed among others to be distributed by all the project partners in meetings events and workshops

Initial Flyers (opens in new window)

A one-page flyer will be created presenting the basic information of the project asobjectives, duration, partners involved and website page to be distributed by all the project partners in meetings, events and workshops.

First newsflash (opens in new window)

A Newsflash in line with key project objectives and information about the starting work and intial results will be given.

Intermediate newsflash (opens in new window)

A newsflash with Project key advances and milestones to be disseminated will be developed and shared

Website launched and set-up of social media profiles (opens in new window)

Project website and social media profiles ready.

Public design and FAST models of the two 15MW floater-turbine configurations (opens in new window)

The two floater and tower designs are described. Their FAST models are provided. Both are in a public format that allows use in the consortium and outside the consortium. Hereby confidentiality issues for later dissemination are avoided.

Publications

Mooring Fatigue Verification of the WindCrete for a 15 MW Wind Turbine (opens in new window)

Author(s): Pau Trubat; Climent Molins; Daniel Alarcón; Valentin Arramounet; Mohammad Youssef Mahfouz
Published in: ASME 2021 3rd International Offshore Wind Technical Conference, Issue 1, 2021, ISBN 978-0-7918-8476-8
Publisher: American Society of Mechanical Engineers (ASME)
DOI: 10.1115/iowtc2021-3553

Suspended cable model for layout optimisation purposes in floating offshore wind farms

Author(s): J.i. Rapha; J.L. Domínguez-García
Published in: Journal of Physics: Conference Series, Issue EERA DeepWind 2021, 2021
Publisher: IOP Publishing

"""Assessment of mooring configurations for the IEA 15MW floating offshore wind turbine""" (opens in new window)

Author(s): Qi Pan, Mohammad Youssef Mahfouz and Frank Lemmer
Published in: Journal of Physics: Conference Series, Issue EERA DeepWind 2021, 2021, ISSN 1742-6596
Publisher: IOP Publishing
DOI: 10.1088/1742-6596/2018/1/012030

Verification of SIMPACK-MoorDyn coupling using 15 MW IEA Activefloat and WindCrete

Author(s): Mohammad Youssef Mahfouz, Tabea Roser, Po Wen Cheng
Published in: 2021, ISSN 1742-6596
Publisher: IOP Publishing

Uncertainties assessment in real-time hybrid model for ocean basin testing of a floating offshore wind turbine

Author(s): Miguel Somoano, Tommaso Battistella, Sergio Fernández-Ruano and Raúl Guanche
Published in: Journal of Physics: Conference Series, Issue EERA DeepWind’2021, 2021, ISSN 1742-6596
Publisher: IOP Publishing

Dynamics of two floating wind turbines with shared anchor and mooring lines (opens in new window)

Author(s): Ozan Gözcü, Stavros Kontos and Henrik Bredmose
Published in: Journal of Physics: Conference Series, Issue 2265, 2022, Page(s) 042026
Publisher: IOP Publisher
DOI: 10.1088/1742-6596/2265/4/042026

Mooring optimization using ML techniques (opens in new window)

Author(s): Trubat Casal, Pau; Herrera Batista, Adrian; Molins i Borrell, Climent
Published in: ASME 2022 4th International Offshore Wind Technical Conference, Issue IOWTC2022-98217, 2023, Page(s) 1-10, ISBN 978-0-7918-8661-8
Publisher: ASME
DOI: 10.1115/iowtc2022-98217

Dynamic cable model for layout optimisation purposes in Floating Offshore Wind Farms

Author(s): J.I. Rapha; J.L. Domínguez-García
Published in: Presentation at EERA DeepWind 2021, 2021
Publisher: SINTEF

Key innovations for floating wind cost reduction: the COREWIND project

Author(s): J.L. Domínguez
Published in: Presentation in EERA DeepWind 2023, 2023
Publisher: SINTEF

Guidelines for Cluster-Based Control Development in Floating Offshore Wind Farms

Author(s): H. Del Pozo
Published in: Presentation in WESC 2023, 2023
Publisher: EAWE

Impact Assessment of Structural Health Monitoring on the Floating Offshore Wind O&M Costs

Author(s): Marie-Antoinette Schwarzkopf, Friedemann Borisade
Published in: Floating Offshore Wind 2022 conference in Aberdeen, UK, 2022
Publisher: Ramboll

Self-adjusting Floating Wind farm layout

Author(s): M.Y. Mahdouz
Published in: Presentation in WESC 2023, 2023
Publisher: EAWE

Control of Waked Floating Offshore Wind Farms for Motion Equalization

Author(s): H. Del Pozo
Published in: Presentation in WESC 2023, 2023
Publisher: EAWE

IMPACT OF MOORING AND CABLE DYNAMICS ON THE STRUCTURAL DESIGN OF TWO CONCRETE PLATFORMS

Author(s): Pau Trubat
Published in: Presentation in WESC 2023, 2023
Publisher: EAWE

Offshore Large Component Exchange for Floating Wind – Case studies

Author(s): Denis Matha, Marie-Antoinette Schwarzkopf, Friedemann Borisade
Published in: Presentation of WP4 results at FOWT 2021 conference, 2021
Publisher: Ramboll

Asymmetric mooring system for dynamic layout of floating wind farm

Author(s): Mohammad Youssef Mahfouz; Frank Lemmer; Po Wen Cheng
Published in: Wind Energy Science Conference (WESC) 2021, 2021
Publisher: EAWE

Assessment of mooring pretension on the IEA 15MW floating offshore wind turbine

Author(s): Qi Pan, Po wen Cheng
Published in: Wind Energy Science Conference (WESC) 2021, 2021
Publisher: EAWE

Improving competitiveness of floating offshore wind through cost-reduction

Author(s): J.L. Domínguez
Published in: Presentation in WESC 2023, 2023
Publisher: EAWE

Investigation of the aerodynamic response of the Activefloat 15MW floating wind turbine with hybrid wind tunnel testing

Author(s): A. Fontanella
Published in: Presentation in WESC 2023, 2023
Publisher: EAWE

Assessment of sustainable solutions for floating offshore wind through an LCOE/LCA tool developed in the context of COREWIND

Author(s): J.I. Rapha
Published in: Presentation in WESC 2023, 2023
Publisher: EAWE

Floating offshore wind farm layout optimisation

Author(s): J.I. Rapha
Published in: Presentation in WESC 2023, 2023
Publisher: EAWE

Concept Study of a Sailing Offshore Wind Turbine (opens in new window)

Author(s): L Willeke
Published in: MsThesis, 2021
Publisher: Univerity of Stuttgart
DOI: 10.18419/opus-11435

CFD analysis of the installation of floating wind SPAR substructure in waves

Author(s): S. Aliyar
Published in: Presentation in WESC 2023, 2023
Publisher: EAWE

Chain and nylon mooring lines for floating offshore wind foundations: numerical modelling validation

Author(s): A. Rodriguez-Luis, M. Somoano, P. Desiré, S. Fernandez-Ruano, R. Guanche
Published in: Poster at WindEurope Annual Event 2021, 2022
Publisher: WindEurope

Floating offshore wind farm micro-siting for LCOE minimisation in variable depth sites

Author(s): J.I. Rapha, N. Tzarknias, J.L. Domínguez-García
Published in: Poster in Wind Europe Annual Event, 2022
Publisher: Wind Europe

T&I Challenges on the US West Coast – Morro Bay Case Study

Author(s): Denis Matha, Friedemann Borisade
Published in: Floating Wind Solutions 2023 conference in Houston, USA, 2023
Publisher: Ramboll

Comparison of loads from HAWC2 and OpenFAST for the IEA Wind 15 MW Reference Wind Turbine (opens in new window)

Author(s): Jennifer Rinker, Evan Gaertner, Frederik Zahle, Witold Skrzypiński, Nikhar Abbas, Henrik Bredmose, Garrett Barter, Katherine Dykes
Published in: Journal of Physics: Conference Series, Issue 1618, 2020, Page(s) 052052, ISSN 1742-6588
Publisher: Institute of Physics
DOI: 10.1088/1742-6596/1618/5/052052

Investigation of the floating IEA wind 15-MW RWT using vortex methods Part II: Wake impact on downstream turbines under turbulent inflow (opens in new window)

Author(s): Néstor Ramos‐García; Sergio González Horcas; Antonio Pegalajar‐Jurado; Stavros Kontos; Henrik Bredmose
Published in: Wind Energy, Issue 10991824, 2022, ISSN 1099-1824
Publisher: John Wiley & Sons Ltd
DOI: 10.1002/we.2738

Investigation of the floating IEA Wind 15 MW RWT using vortex methods Part I: Flow regimes and wake recovery (opens in new window)

Author(s): Néstor Ramos-García,Stavros Kontos,Antonio Pegalajar-Jurado,Sergio González Horcas,Henrik Bredmose
Published in: Wind Energy, Issue Vol 25 (3), 2021, Page(s) 468-504, ISSN 1099-1824
Publisher: Wiley
DOI: 10.1002/we.2682

A passively self‐adjusting floating wind farm layout to increase the annual energy production (opens in new window)

Author(s): Mohammad Youssef Mahfouz; Po‐Wen Cheng
Published in: Wind Energy, Issue 26 (3), 2022, Page(s) 251-265, ISSN 1099-1824
Publisher: John Wiley & Sons
DOI: 10.1002/we.2797

Response of the IEA Wind 15 MW – WindCrete and Activefloat floating wind turbines to wind and second-order waves (opens in new window)

Author(s): Mohammad Youssef Mahfouz, Climent Molins, Pau Trubat, Sergio Hernández, Fernando Vigara,Antonio Pegalajar-Jurado, Henrik Bredmose, and Mohammad Salari
Published in: Wind Energy Science, 2021, ISSN 2366-7443
Publisher: Copernicus GmbH (Copernicus Publications) 
DOI: 10.5194/wes-2021-11

A control-oriented wave-excited linear model for offshore floating wind turbines (opens in new window)

Author(s): A. Fontanella, M. Al, D. van der Hoek, Y. Liu, J.W. van Wingerden, M. Belloli
Published in: Journal of Physics: Conference Series, Issue 1618, 2020, Page(s) 022038, ISSN 1742-6588
Publisher: Institute of Physics
DOI: 10.1088/1742-6596/1618/2/022038

Non-centralized hierarchical model predictive control strategy of floating offshore wind farms for fatigue load reduction (opens in new window)

Author(s): Hector Del Pozo; J.L. Domínguez-García
Published in: Renewable Energy, Issue Vol 187, 2022, Page(s) 248-256, ISSN 0960-1481
Publisher: Pergamon Press Ltd.
DOI: 10.1016/j.renene.2022.01.046

Simulation of mooring Lines in complex bathymetries using a finite element method (opens in new window)

Author(s): Paula Desiré; Álvaro Rodríguez-Luis; Raúl Guanche
Published in: Ocean Engineering, Issue 272, 2023, Page(s) 113827, ISSN 1873-5258
Publisher: Elsevier
DOI: 10.1016/j.oceaneng.2023.113827

Digital tools for floating offshore wind turbines (FOWT): A state of the art (opens in new window)

Author(s): Alexandra Ciuriuc; José Ignacio Rapha; Raúl Guanche; José Luis Domínguez-García
Published in: Energy Reports, Issue Vol 8,, 2022, Page(s) 1207-1228, ISSN 2352-4847
Publisher: Elsevier
DOI: 10.1016/j.egyr.2021.12.034

Validation of drift motions for a semi-submersible floating wind turbine and associated challenges (opens in new window)

Author(s): M Y Mahfouz, R Faerron-Guzmán, K Müller, F Lemmer, P W Cheng
Published in: Journal of Physics: Conference Series, Issue 1669, 2020, Page(s) 012011, ISSN 1742-6588
Publisher: Institute of Physics
DOI: 10.1088/1742-6596/1669/1/012011

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