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Novel Design, Modelling and Analysis of Offshore Wind Turbines

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "A3: Wind, Wave and Tidal Energy".

Deadline for manuscript submissions: closed (22 December 2023) | Viewed by 4024

Special Issue Editors


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Guest Editor
Electrification and Reliability, Unit of Renewable Energy, RISE Research Institutes of Sweden, AB Box 857, 501 15 Borås, Sweden
Interests: dynamics; control; reliability; wind energy

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Guest Editor
School of Engineering, Trinity College Dublin, Dublin, Ireland
Interests: wind turbine aerodynamics and structural dynamics; dynamics and damping of structures; wind engineering; vibration control; control theory

Special Issue Information

Dear Colleagues,

Wind power is one of the fastest-growing renewable energy technologies. Offshore wind has an immense growth potential and must be exploited to reduce our carbon emissions and achieve our sustainability goals. Modern offshore wind turbines are the largest rotating machines on the planet and are being scaled up drastically. The Vestas V236-15.0 MW, that is expected to be in operation by 2024, has a rotor diameter of 236m.

These large rotating machines present considerable challenges on the modelling and analysis front. These include large deformation analysis of multibody systems, soil–structure interaction, fluid–structure interaction, and the electromechanical interaction.

This Special Issue aims to present the most recent advances related to the theory, design, modelling, analysis, and control of floating offshore wind turbines.

Topics of interest include, but are not limited to:

  • Dynamic modelling and analysis of offshore wind turbines;
  • Soil–structure interaction in relation to offshore wind turbines;
  • Fluid-structure interaction in relation to offshore wind turbines;
  • Grid interaction of offshore wind turbines;
  • Advances in control systems;
  • Condition monitoring and preventative maintenance;
  • Fatigue life analysis;
  • Fault-tolerant machines;
  • Advances in modelling approaches;
  • In-depth analysis and case studies;
  • Reliability analysis;
  • Uncertainty quantification.

Dr. Saptarshi Sarkar
Dr. Breiffni Fitzgerald
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • offshore wind turbines
  • dynamic modelling and analysis
  • advances in dynamic modelling
  • advances in control systems
  • condition monitoring
  • preventative maintenance.

Published Papers (2 papers)

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Research

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21 pages, 6506 KiB  
Article
A Study on the Lateral Load Capacity of a Novel Hybrid Monopile via a Centrifuge Model Test
by Ju-Hyung Lee, Tae-Young Kwak, Youn-Ju Jeong, Joonsang Park and Jae-Hyun Kim
Energies 2023, 16(21), 7234; https://doi.org/10.3390/en16217234 - 24 Oct 2023
Viewed by 867
Abstract
Large-diameter monopiles that can safely support the lateral loads caused by wind and waves have been widely used for the foundations of offshore wind turbines. However, when the penetration depth is insufficient as a result of the presence of thick soft ground or [...] Read more.
Large-diameter monopiles that can safely support the lateral loads caused by wind and waves have been widely used for the foundations of offshore wind turbines. However, when the penetration depth is insufficient as a result of the presence of thick soft ground or it is difficult to penetrate rock, the lateral load capacity of the monopiles may be insufficient, leading to structural instability of the wind turbine system. To address this problem, hybrid monopiles have been proposed, which include appendages such as suction buckets attached around the monopiles installed on the seabed. Such suction buckets are arranged in the form of a tripod at 120° intervals with respect to the center of the monopile. These increase the bending resistance of the monopile by sharing the lateral load applied to it. Although the proposed monopiles were presented as conceptual foundation types, their actual support mechanisms and bearing capacity improvement effects must be verified experimentally. In this study, a centrifuge model test was conducted to identify the support mechanism of hybrid monopiles and the degree of improvement in their bearing capacity compared to the existing large-diameter monopiles. The experiment results showed that an appendage composed of suction buckets dispersed the load acting on the monopile, thereby significantly increasing its bearing capacity. Full article
(This article belongs to the Special Issue Novel Design, Modelling and Analysis of Offshore Wind Turbines)
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Review

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17 pages, 1668 KiB  
Review
How to Repair the Next Generation of Wind Turbine Blades
by Leon Mishnaevsky Jr.
Energies 2023, 16(23), 7694; https://doi.org/10.3390/en16237694 - 21 Nov 2023
Cited by 1 | Viewed by 2677
Abstract
Ensuring the sustainability of wind turbine blades will be an important requirement for new wind turbines to be installed in the coming years and decades. Several new wind turbines with blades from recyclable materials have already been installed, among which are blades based [...] Read more.
Ensuring the sustainability of wind turbine blades will be an important requirement for new wind turbines to be installed in the coming years and decades. Several new wind turbines with blades from recyclable materials have already been installed, among which are blades based on recyclamine® and EzCiclo. The wind turbines of the new generation are subject to extreme mechanical and physical loading, can be damaged during service time, and will require maintenance and repair. In this paper, technologies for the repair and recycling of the new generation of materials for wind turbine blades are reviewed. Repair technologies for thermoplastic blades, recyclamine®- and vitrimer-based composites, and other new blade composites are discussed. Full article
(This article belongs to the Special Issue Novel Design, Modelling and Analysis of Offshore Wind Turbines)
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