The paper deals with the catenary mooring system design for tri-floater floating offshore wind turbines. Both ultimate (ULS) and accidental (ALS) limit states are examined, under 50 and 1 year return period environmental loads. Both power production and parked wind turbine conditions are analysed; for the former the ULS is applied, for the latter both ULS and ALS are considered. The platform static demand is assessed in terms of turbine thrust, wind, current and wave steady drift forces. The dynamic offset is determined considering both wave and low-frequency motions. Mooring patterns with 6, 9 and 12 chain cable and steel wire rope lines are considered. Water depth incidence is examined in the range between 50 and 300 m and the mooring system is dimensioned so that the relevant weight is determined. The Dutch tri-floater is assumed as reference structure and three candidate sites in the Southern Mediterranean Sea are considered. It is found that platform admissible offset and line pattern significantly influence the mooring system weight; obtained results show that 9 and 12 line configurations are the necessary choice and the mooring line weight is independent of water depth between 100 and 200 m, while increases out of this range.


    Zugriff

    Zugriff über TIB

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Ultimate and accidental limit state design for mooring systems of floating offshore wind turbines


    Beteiligte:
    Benassai, G. (Autor:in) / Campanile, A. (Autor:in) / Piscopo, V. (Autor:in) / Scamardella, A. (Autor:in)

    Erschienen in:

    Ocean Engineering ; 92 ; 64-74


    Erscheinungsdatum :

    2014


    Format / Umfang :

    11 Seiten, 33 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




    Mooring systems and methods for floating offshore wind turbines

    DR JIN WANG | Europäisches Patentamt | 2023

    Freier Zugriff

    Offshore floating type wind turbine mooring floating body platform

    JIN XIN / CHEN YIMING / LUO MENGJIE et al. | Europäisches Patentamt | 2021

    Freier Zugriff

    Mooring apparatus for floating offshore wind power equipment

    PARK GONG MAN / CHO GYU JONG / SHIN SANG SUNG et al. | Europäisches Patentamt | 2020

    Freier Zugriff

    Installing offshore floating wind turbines

    JON BARRATT NYSÆTHER / BJØRN JOHANSEN / EIRIK BYKLUM et al. | Europäisches Patentamt | 2023

    Freier Zugriff

    Mooring installations for floating offshore wind power generators

    Europäisches Patentamt | 2020

    Freier Zugriff