The EU-Project “TROPOS”

Papandroulakis, Nikos; Thomsen, Claudia; Mintenbeck, Katja; Mayorga, P.; Hernández‐Brito, J. J.

doi:10.1007/978-3-319-51159-7_12

Cited by 10 publications

(6 citation statements)

References 5 publications

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“…It is difficult to use regular wave theory to describe waves, so it is necessary to use irregular wave theory to approximate the real sea state. According to the superposition principle, irregular waves are formed by superposition of many regular waves with different wave heights and phases, so the irregular wave surface can be expressed by Equation (7).…”

Section: Wave Loadmentioning

confidence: 99%

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Design of an Innovative Point Array Offshore Floating Wind Turbine System and Analysis of Hydrodynamic Coupling Response Law

Zhu,

Cao,

Liu

2023

Energy Tech

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The new lattice floating wind turbine integrated system (also known as dot matrix floating wind turbine, and hereinafter referred to as DMF) is proposed as a new concept. More far reaching, it has obvious advantages over the traditional floating wind turbine scheme in terms of structural cost and motion stability, which provides a new idea for the development of offshore wind power energy. First, the structural parameters and mechanical model of DMF are analyzed to determine the feasibility and superiority of the overall scheme of the new lattice foundation. It is concluded that the stability of DMF in pitching motion is 70% higher than that of the traditional OC4 system. In order to further verify the feasibility of the DMF system and the accuracy of the theoretical model, based on the similarity theory, the research carried out the small‐scale prototype processing of DMF and the simulation experiment of wind wave flume. The test results are in good agreement with the simulation data. This study provides a reference and theoretical basis for the research and development of offshore multi wind turbine combined equipment and hydrodynamic stability optimization. It has certain theoretical guiding significance and economic development value.

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Section: Wave Loadmentioning

confidence: 99%

“…[ 6 ] However, the stability of the hydrodynamic response of the triangular structure has not been further verified. Papandroulakis et al [ 7 ] designed a fish farming system. Zheng et al [ 8 ] integrated two 3.5 MW wind turbines into a triangular floating platform project.…”

Section: Introductionmentioning

confidence: 99%

Design of an Innovative Point Array Offshore Floating Wind Turbine System and Analysis of Hydrodynamic Coupling Response Law

Zhu,

Cao,

Liu

2023

Energy Tech

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“…W2Power benefited from extensive preliminary research performed by Acciona Energia, NTNU and the University of Edinburgh as part of the European MARINA Platform project [9]. In the subsequent European TROPOS project (which considered multi-use platforms), it was selected as an energyproducing "satellite unit" [10].…”

Section: W2power Platform 1development Trajectorymentioning

confidence: 99%

Hydrodynamic Performance of an Innovative Semisubmersible Platform With Twin Wind Turbines

Elobeid

Tao

Ingram

et al. 2022

Volume 8: Ocean Renewable Energy

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The deployment of offshore wind turbines has focused primarily on shallow seas (such as the North Sea, Chinese coastal waters, and the New England coast) using bottom fixed foundations. However, much of the world’s offshore wind resource lies in deeper waters where bottom-fixed foundations are not suitable, and floating platforms must be utilised. To date, the majority of floating concepts have been developed to support a single wind turbine. This leads to a high capital cost for each individual platform and consequently a high levelised cost of energy. The W2Power platform (developed by EnerOcean S.L, Spain) currently supports a pair of 6 MW wind turbines on outward-leaning towers. The design significantly reduces the cost per installed MW, increases the structure’s natural period, added mass, and radiation damping. The platform, patented in 2009, was the world’s first twin-turbine platform and the first to be demonstrated at sea (2019). This paper presents the hydrodynamics of a 1:40 scale model of the W2Power platform using the well-known OrcaFlex software. The analysis has been carried out under extreme and operational conditions, and the resulting hydrodynamic loads and motion response are presented. The mooring system was found to be sensitive to wave direction, particularly when propagating along the current direction. Furthermore, the results showed advantages in the hydrodynamic responses for the W2Power platform as an innovative floating system.

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“…Impacts are identified for each Space@Sea application by using specific information regarding environmental impacts of floating islands and their applications as provided by the EU projects TROPOS (TROPOS, 2014;Papandroulakis et al, 2017) and MERMAID (Airoldi et al, 2016).…”

Section: Assessmentmentioning

confidence: 99%

“…The framework for floating island applications identifies the activities (Table 1) causing pressures (Table 2) that may lead to adverse effects on the ecosystem (Table 3) and is schematically presented in Figure 1. The tables list the activities, pressures and ecosystem components including their coverage by the EU projects AQUACROSS (Borgwardt et al, 2019), TROPOS (TROPOS, 2014;Papandroulakis et al, 2017), and MERMAID (Airoldi et al, 2016), which were used as information sources for development of the EIA and its application (next section). In addition, it is indicated in each table whether the activities, pressures and ecosystem components are included in Annex III of the MSFD (the indicative lists of ecosystem elements, anthropogenic pressures and human activities relevant to the marine waters) (European Commission, 2017b).…”

Section: Frameworkmentioning

confidence: 99%

Developing an Environmental Impact Assessment for Floating Island Applications

et al. 2021

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In the Space@Sea project a conceptual study is performed to develop standardized cost efficient floating modular islands with low environmental impact. As these floating modular islands are introduced for a purpose which is likely to determine the environmental impact, possible applications were considered: living, aquaculture, ports and logistics, and energy hub. The aim of this study is to develop a structured approach for Environmental Impact Assessments (EIAs) of floating modular islands and their applications as these are considered within the Space@Sea project. To contribute to the efficiency and sustainability of future floating island developments, early awareness of the likely environmental consequences is important and requires a solid knowledge base. To that end we recommend a screening approach to identify the main threats to the marine ecosystem and their potential impacts at the earliest (conceptual) stage of development. For each Space@Sea type of application, this screening approach should identify the main threats through an EIA that links critical pressures with sensitive ecosystem components. While conventional impact assessments only consider negative impacts, we also consider potential environmental benefits of floating islands. This not only to enhance more environmental-friendly designs but also to provide a balanced perspective which considers not only threats but also opportunities in future developments and implementation of floating islands and their applications.

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The EU-Project “TROPOS”

Cited by 10 publications

References 5 publications

Design of an Innovative Point Array Offshore Floating Wind Turbine System and Analysis of Hydrodynamic Coupling Response Law

Design of an Innovative Point Array Offshore Floating Wind Turbine System and Analysis of Hydrodynamic Coupling Response Law

Hydrodynamic Performance of an Innovative Semisubmersible Platform With Twin Wind Turbines

Developing an Environmental Impact Assessment for Floating Island Applications

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