New detected uncertainties in the design of foundations for offshore Wind Turbines

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Título: New detected uncertainties in the design of foundations for offshore Wind Turbines
Autor/es: Luengo, Jorge | Negro, Vicente | Garcia-Barba, Javier | López-Gutiérrez, José Santos | Esteban Pérez, María Dolores
Grupo/s de investigación o GITE: Ingeniería del Terreno y sus Estructuras (InTerEs)
Centro, Departamento o Servicio: Universidad de Alicante. Departamento de Ingeniería Civil
Palabras clave: Offshore wind farms | Monopiles | Gravity based structures | Technical standards | Recommendations
Área/s de conocimiento: Ingeniería del Terreno
Fecha de publicación: feb-2019
Editor: Elsevier
Cita bibliográfica: Renewable Energy. 2019, 131: 667-677. doi:10.1016/j.renene.2018.07.103
Resumen: In 2014, the Renewable Energy Journal published innovative research where the authors showed the results obtained in work where the design of support structures and foundations in marine based wind farms were questioned. The uncertainties in the design were then justified by the “limited” field experience and in the review of the standards and recommendations existing at that time. Fundamentally, an analysis was made of the ratio between useful life and the probability of failure, the wave theories to be used, the hydrodynamics of Morison, Froude-Krylov and diffraction domains, together with the scouring phenomena processes and consequent protection of structural items. Using the knowledge gained during these three years, the research work herein presented covers further reflections such as the nonlinearity in wave mechanics, its effects on orbital seabed velocities, variation in the behaviour of the Keulegan-Carpenter number (KC), impact on scour in the KC-6 equation, the analysis of statistics of forces applied to load combinations in structures at depths in excess of fifty metres, taking giant steps in offshore engineering and leaving behind classical maritime engineering techniques.
Patrocinador/es: This work has been funded by La Caixa PhD programme Fellowship. MSc Jorge Luengo thanks the company for its financial support. Dr. Vicente Negro thanks the Agustín de Betancourt Foundation (FAB) for the support received over the past few years.
ISSN: 0960-1481 (Print) | 1879-0682 (Online)
DOI: 10.1016/j.renene.2018.07.103
Idioma: eng
Tipo: info:eu-repo/semantics/article
Derechos: © 2018 Elsevier Ltd.
Revisión científica: si
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Aparece en las colecciones:INV - INTERES - Artículos de Revistas

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