Results 41 to 50 of about 496 (164)
ABSTRACT This study investigates the bearing capacity of tension piles and pile‐soil interaction during loading. Discrepancies between predicted and measured bearing capacities in previous tests motivated the study, where analytical methods showed considerable scatter and uncertainties in design.
Diaa Alkateeb, Jürgen Grabe
wiley +1 more source
In this paper, we investigate, in the frequency domain, the performance (hydrodynamic behavior and power absorption) of a circular array of four semi-immersed heaving Wave Energy Converters (WECs) around a hybrid wind–wave monopile (circular cylinder ...
Sofia Gkaraklova +2 more
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The design of an offshore wind turbine (OWT) founded on a monopile foundation is principally based on dimensioning criteria related to its fundamental frequencies. These frequencies must remain outside the excitation frequencies to avoid resonance.
Philip Alkhoury +3 more
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Research on Ground Reinforcement Technology of Offshore Wind Power Monopile Foundation
[Introduction] Under the guidance of energy policy with the goal of "double carbon", offshore wind power generation, as a new energy technology, has been widely applied and rapidly developed in China. Monopile foundation is the most economical and widely
Jiandong XIAO
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Idealized Offshore Low‐Level Jets for Turbine Structural Impact Considerations
ABSTRACT Low‐level jets (LLJs) describe conditions in which the wind speed reaches a local maximum with respect to altitude near the surface; they have been observed intermittently in the US mid‐Atlantic offshore environment. LLJs pose unique operating conditions for future wind turbines operating in the region, such as negative shear and locally ...
Emily de Jong +2 more
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Offshore wind turbine monopile foundations are subjected to complex wind, wave, and flow coupling effects, which result in seabed scouring around the monopile.
Bo Yang +5 more
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Abstract Extensive offshore renewable energy installations have raised concerns about their environmental impacts. These concerns highlight the need for high fidelity modeling of conditions within wind‐farm regions, where wave–structure interactions through reflection, diffraction, and dissipation reshape local and regional wave dynamics, thereby ...
Biao Zhao +3 more
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A monopile is the most popular foundation type for wind turbines. However, the dynamic performance of monopile-supported wind turbines under different operating and ground conditions is not fully understood.
Shaohui Xiao, Hongjun Liu, Kun Lin
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ABSTRACT Reliability, safety, and the lifetime of wind energy systems are mainly driven by the quality of each single component. Especially, large structures made of cast material or welded structures, such as the nacelle, the machine carrier, or the tower, are subjected to cyclic loading.
Christoph Bleicher +3 more
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Rate effects for monopile foundations
Monopile pile foundations are the most commonly used support system for offshore wind turbines in Europe. These foundations are subject to lateral loading, which is cyclic in nature, with the loading rate and load eccentricity varying with time. Under extreme conditions, such as the emergency stop of the turbine, yawing or ship impact, transient ...
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