Searched for: contributor%3A%22Metrikine%2C+A.+%28mentor%29%22
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de Koning, Daan (author)
When drag anchors are no longer suitable for anchoring floating wind turbines to the seabed because of unfavorable soil conditions, it is necessary to use drilled and grouted anchor piles instead. For the installation of such anchor piles it is necessary to drill large diameter holes, with diameters ranging between 1 and 5 meters. The drilling...
master thesis 2024
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van Rooijen, Dylan (author)
The offshore wind energy industry is quite literally reaching for the sky to meet the increasing demand for renewable energy in Europe. Offshore wind turbines are sprouting out of the waves off the coast of many European nations and their size is increasing rapidly. As the turbines become larger and the waters in which they are placed become...
master thesis 2023
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Eerden, Koen (author)
This MSc thesis presents an investigation into motion control systems aimed at reducing swing motion of a lifting load during offshore heavy lifting operations. Two distinct models are developed for this objective. Subsequently, an analysis is done to assess the impact of various control aspects.<br/><br/>First, an assessment of the offshore...
master thesis 2023
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Wolfs, Céline (author)
The ongoing global energy transition has led to significant growth in the offshore wind sector. This growth has resulted in a high demand for offshore installation vessels like the 'Aeolus', and the need to push up their limits to meet the rapidly changing market. In the Saint-Brieuc offshore wind project, the Aeolus had to be installed on a...
master thesis 2023
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van der Stap, Eduard (author)
An analytical study of an energy-based approach to damping of a clamped timber column in free vibration under axial, lateral and torsional loading conditions was conducted. Backed by experiments it was confirmed that an energy-based approach, as proposed by Sánchez Gómez (2018), could describe the energy dissipation in a laterally vibrating...
master thesis 2023
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de Kraker, Stijn (author)
In the last decades, the urgency for sustainability has dawned on humanity. The increasing pressure for more renewable energy sources is accompanied by the success of the offshore wind turbine. As a result, the installation of offshore wind farms has become a major business. The challenges posed during installation become more complicated with...
master thesis 2023
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de Moel, Geer (author)
Due to the rapidly growing offshore wind market, there is a high demand for capable wind turbine installation vessels. Current wind turbine installation vessels struggle with the installation of large diameter monopiles due to a lack of crane capacity and with the installation of wind turbine components at hub height due to a lack of crane...
master thesis 2023
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Bosma, Marten (author)
Heerema Marine Contractors is assigned to execute the installation of 64 monopiles for the He Dreiht Offshore Wind Farm provided by Energie Baden-Württemberg (EnBW). The installation of the monopiles is done by means of a template structure. This template is specifically designed for this project and is installed on the seabed temporarily. The...
master thesis 2023
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Meijer, Diederik (author)
The offshore wind sector in Europe has grown significantly over the past 20 years. Following this surge in number of installations, the first generation of turbines is reaching its end-of-life (EOL) phase and thought needs to be put into end-of-life strategies. As the market for lifetime extension is still in its infancy and...
master thesis 2022
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Lillie, Lucas Lillie (author)
With an increasing shift to renewable energies, solutions are required to overcome that variability and unpredictability of power production that comes with it. Hydrogen is one solution that can overcome this issue since it can be produced using renewable energy through electrolysis, it can be transported to shore efficiently by pipelines and it...
master thesis 2022
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Jouna, Behnam (author)
In transition zones, railway tracks experience significant inhomogeneity in their mechanical properties—more specifically in vertical stiffness. In such areas, conventional tracks (soft tracks) are typically encountered with other engineering structures with noticeably larger stiffness, such as bridges and culverts (stiff tracks). This...
master thesis 2022
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Blom, Ruben (author)
The increased awareness of the negative consequences of man-made climate change has given rise to a fast growing offshore wind industry. Wind turbines become increasingly larger, and available locations for offshore wind farms are shifting towards deeper waters, where jack-up vessels can no longer be used for installation. Heerema Marine...
master thesis 2022
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Christantonis, Evangelos (author)
Offshore wind turbines are getting larger and are being installed in ever deeper waters. This requires increasingly stronger yet affordable foundations. The Tri-Suction Pile Caisson (TSPC) is a Wind Turbine Generator (WTG) foundation concept patented by SPT Offshore that requires a smaller amount of structural steel or concrete than a...
master thesis 2022
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Speelman, Bas (author)
The submerged floating tunnel (SFT) is a conceptual idea that originates from the 19th century. The idea consists of a tunnel tube floating underwater where it is kept at a fixed depth by its buoyancy and by tethers that are anchored to the seabed and or by floating pontoons at the water surface. The tunnel is placed deep enough to avoid extreme...
master thesis 2021
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Kronenberg, Bram (author)
Due to the increasing demand for sustainable wind energy, larger wind farms with more giant turbines are required. Therefore, more is expected of the existing installation vessels for wind turbines. These changes make it increasingly difficult to find capable jack-up vessels to transport and install these new "mega turbines". Another trend in...
master thesis 2021
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van Geel, Mark (author)
This research explores the development of an accurate yet fast methodology to use measured vessel motions for a fatigue damage calculation in the cranes during suspended transport. First, the kinematics, definitions and particulars of the system of interest – the vessel including crane and suspended jacket - are provided. Then, literature...
master thesis 2021
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Liu, Yuan (author)
Since the introduction of the first offshore wind farm in 1991, the demand for offshore renewable wind energy has experienced exponential growth all around the world. To supply this demand, the power rating and corresponding dimensions of offshore wind turbines have grown significantly. Due to the ever-shrinking availability of easily accessible...
master thesis 2021
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van Engelen, Niels (author)
Due to a high demand for offshore wind energy the industry is expanding to evermore challenging locations such as seismic prone areas. The corresponding seismic shocks and vibrations can be transmitted to jack‐up vessels and their cranes used for the installation of these offshore wind turbines. Since a potential collapse due to seismic activity...
master thesis 2021
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Ouchene, Bilal (author)
Areas of railways with considerable variation of track properties encountered near structures such as bridges and tunnels are referred to as transition zones. Degradation rates at these transition zones are higher compared to the remaining railways. These high degradation rates result in high maintenance expenses. In order to come up with...
master thesis 2021
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Aarts, Aukje (author)
During the last decades, the development of high-rise increased quickly. The Eurocode is frequently used to make wind calculations for high-rise structures. To make those calculations, the dynamic wind load is simplified to a conservative equivalent static load. An alternative to calculate wind loads is a physical wind tunnel test. Wind tunnel...
master thesis 2021
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