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8. Experimental Study on Spacing Effect in Arrays of Draft-Varying Floating WEC-Dikes.

Author

Russo, Sara, Contestabile, Pasquale, Vicinanza, Diego, and Lugni, Claudio

Subjects
WAVE energy, BREAKWATERS
Abstract

This study examines the impact of the spacing parameter on the efficacy of an array of hybrid modules functioning as both floating breakwaters and wave energy converters. The dual functionality is ensured by the ability of the device to autoadjust its submergence. The behavior of multiple 1:40 scaled modules was tested in the wave tank of the University of Campania "Luigi Vanvitelli". The objective was to assess the hydraulic performance of the array by analyzing transmission, reflection, and dissipation coefficients under different wave conditions. Specifically, the transmission coefficient ranges between 0.85 and 0.51, depending on the relative wavelength and wave steepness, while the reflection and dissipation coefficients vary, respectively, between 0.70–0.20 and 0.55–0.3. In any case, the results underscore the critical importance of the spacing parameter. [ABSTRACT FROM AUTHOR]

Published
2024
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9. Coastal Vulnerability and Mitigation Strategies. From Monitoring to Applied Research.

Author

Vicinanza, Diego, Contestabile, Pasquale, and Vicinanza, Diego

Subjects
Research & information: general, 3S tourism, ADCP, Abu Dhabi, Andalusia coast, BERM-N, Bagnoli, Bagnoli-Coroglio Bay, Baltic coast, Bayesian belief network, FORM, GPS wave buoy, GSb model, Greece, Gulf of Mexico, Holland coast, JarKus data, MIKE modelling, Mar Menor, Mediterranean Sea, Mediterranean coasts, Mekong Delta, Morison and transverse equations, Naples, North Atlantic Spanish coasts, Reef Balls™, Shore Protection Manual, Southern Baltic coast, TELEMAC, UAV flights, Unmanned Aerial Vehicles, Veneto coast, Yucatan peninsula, aeolian processes, arsenic, automatic alignment, beach drainage system, beach economy, beach morphodynamics, beach nourishment, beach resilience, beach resistance, beach surveys, bending elastic modulus, benthic macrophytes, brackish lagoon types, climate change, climate changes, coastal Andhra Pradesh, coastal armouring, coastal defense, coastal ecosystem, coastal erosion, coastal management, coastal monitoring, coastal morphodynamic, coastal morphodynamics, coastal plan, coastal region, coastal state indicators, coastal urbanization impact, coastal vulnerability, coastal vulnerability index, combination waves, cross-shore sediment transport, directional wave spectra drifter (DWSD), disasters, drag coefficients, dune foot, earthquake, eco-defense, eigen analysis, eigenmode, energy flux, erosion, coastal flooding, experimental tests, extreme events, flood attenuation, flooded area, flooding, force sensors, gently sloping revetment, groins, groundwater, heavy metals contamination, historical cartography, horizontal cylinders, hydrocarbons, hydrodynamic coefficients, hydrodynamic loads, hydrometeorological conditions, littoral cell, long-term GIS analysis, low frequency, mangroves, marine infrastructures impact, marine inundation, marine pollution, mitigation strategies guidelines, momentary coastline, multiobjective optimization, multivariate analysis, natural beach, natural defense, natural hazards, non-engineering measure, onshore and offshore winds, oscillatory flows, probability, pumping plant, random waves, reliability analysis, resilience index, risk maps, salinity, salinity intrusion, sand nourishments, sand-filled geosystems, sea breezes, sea level rise, sea-level rise, seaside impacts, sediment budget, shallow waters, shore protection, shore protection structures history, small scale storm variations, spectral analysis, storm classification, storm surges, stormy year, strategic retreat, submerged breakwater, succession, synchronization, temporary groin, threshold values, triple collocation, tsunami, tsunami-like solitary waves, turbulence intensity, univariate variables, vegetation stiffness, velocity distribution, wave climate, wave dissipation, wave extreme events, wave grouping, wave hindcasting, wave modeling, wave numerical model, waves action
Abstract

Summary: This book is a collection of all papers published in the Special Issue "Coastal Vulnerability and Mitigation Strategies: From Monitoring to Applied Research". The main focus is to provide the state-of-the-art and recent research updates on sustainable management strategies for protecting vulnerable coastal areas. Based on 28 contributions from authors representing 17 different countries (Australia, China, Ecuador, Germany, Greece, India, Italy, Mexico, The Netherlands, New Zealand, Poland, Spain, Sri Lanka, Taiwan, United Arab Emirates, UK, USA), an ensemble of interdisciplinary articles has been collected, emphasizing the importance of tackling technical and scientific problems at different scales and from different point of views.

14. A NEW SEAWATER LOW-HEAD TURBINE FOR THE OBREC

Author

Contestabile, Pasquale, primary, Rubino, Luigi, additional, Crispino, Gaetano, additional, Mariani, Antonio, additional, Unich, Andrea, additional, Gisonni, Corrado, additional, and Vicinanza, Diego, additional

Published
2023
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20. Laboratory Investigation on the Hydrodynamic Response of a Draft Varying Floating Breakwater (and Wave Energy Converter).

Author

Russo, Sara, Contestabile, Pasquale, Vicinanza, Diego, and Lugni, Claudio

Subjects
WAVE energy, OCEAN waves, BREAKWATERS, ENERGY conversion, OFFSHORE structures
Abstract

The main purpose of this paper is the investigation of the feasibility of a novel hybrid module specifically designed for the Mediterranean Sea. This module is intended to work as an offshore floating breakwater in severe sea states, and alternatively as a wave energy converter in the more frequent mild sea states, depending on its level of submergence. An experimental campaign on a 1:10 module has been carried out in the wave tank of the University of Campania. The dynamic response of the device, as well as its hydraulic performances, was investigated under various wave conditions. The experimental results highlight the possibility of realizing and installing hybrid structures combining energy conversion and wave attenuation. [ABSTRACT FROM AUTHOR]

Published
2024
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24. Wave energy

Author

Sannino, Gianmaria, primary, Carillo, Adriana, additional, Vogler, Arne, additional, Bracco, Giovanni, additional, Mattiazzo, Giuliana, additional, Vicinanza, Diego, additional, Contestabile, Pasquale, additional, Coiro, Domenico P., additional, Troise, Giancarlo, additional, Castellinih, Luca, additional, and Ringwood, John V., additional

Published
2019
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36. La tecnologia di accrescimento minerale come soluzione alternativa sostenibile alla dismissione di piattaforme offshore oil&gas

Author

Colaleo Giuseppina, Margheritini Lucia, Contestabile Pasquale, Iervolino Michele, Golia Umberto Mario, Ruocco Eugenio, Ferraioli Massimiliano, Mandara Alberto, Mandolini Alessandro, Dell'Anno Antonio, Vicinanza Diego, AA.VV., Colaleo, Giuseppina, Margheritini, Lucia, Contestabile, Pasquale, Iervolino, Michele, Golia, Umberto Mario, Ruocco, Eugenio, Ferraioli, Massimiliano, Mandara, Alberto, Mandolini, Alessandro, Dell'Anno, Antonio, and Vicinanza, Diego

Published
2021

39. Physical model tests on spar buoy for offshore floating wind energy conversion

Author

Roberto Tomasicchio, Giuseppe, Vicinanza, Diego, Belloli, Marco, Lugni, Claudio, Latham, John-Paul, Gregorio Iglesias Rodriguez, Jose, Jensen, Bjarne, Vire, Axelle, Monbaliu, Jaak, Taruffi, Federico, Pustina, Luca, Leone, Elisa, Russo, Sara, Francone, Antonio, Fontanella, Alessandro, Di Carlo, Simone, Muggiasca, Sara, Decorte, Griet, Rivera-Arreba, Irene, Ferrante, Vincenzo, Battistella, Tommaso, Guanche Garcia, Raul, Martínez Díaz, Abel, Elsässer, Björn, Via-Estrem, Lluis, Xiang, Jiansheng, Thøtt Andersen, Morten, Bech Kramer, Morten, Musci Jens Peter Kofoed, Elena, Lusito, Letizia, Roberto Tomasicchio, Giuseppe, Vicinanza, Diego, Belloli, Marco, Lugni, Claudio, Latham, John-Paul, Gregorio Iglesias Rodriguez, Jose, Jensen, Bjarne, Vire, Axelle, Monbaliu, Jaak, Taruffi, Federico, Pustina, Luca, Leone, Elisa, Russo, Sara, Francone, Antonio, Fontanella, Alessandro, Di Carlo, Simone, Muggiasca, Sara, Decorte, Griet, Rivera-Arreba, Irene, Ferrante, Vincenzo, Battistella, Tommaso, Guanche Garcia, Raul, Martínez Díaz, Abel, Elsässer, Björn, Via-Estrem, Llui, Xiang, Jiansheng, Thøtt Andersen, Morten, Bech Kramer, Morten, Musci Jens Peter Kofoed, Elena, and Lusito, Letizia

Published
2020

44. Physical Model Tests on Spar Buoy for Offshore Floating Wind Energy Conversion

Author

Tomasicchio, Giuseppe Roberto, Vicinanza, Diego, Belloli, Marco, Lugli, Claudio, Latham, John-Paul, Iglesias Rodriguez, Jose Gregorio, Jensen, Bjarne, Vire, Axelle, Monbaliu, Jaak, Taruffi, Federico, Pustina, Luca, Leone, Elisa, Russo, Sara, Francone, Antonio, Fontanella, Alessandro, Di Carlo, Simone, Muggiasca, Sara, Decorte, Griet, Rivera, Irene, Ferrante, Vincenzo, Battistella, Tommaso, Guanche García, Raúl, Martínez Díaz, Abel, Elsässer, Björn, Via-Estrem, Lluis, Xiang, Jiansheng, Andersen, Morten Thøtt, Kofoed, Jens Peter, Bech Kramer, Morten, Musci, Elena, Lusito, Letizia, and Universidad de Cantabria

Subjects
hydrodynamic behavior, Hydrodynamic behavior, offshore structures, Spar buoy, floating wind turbine, spar buoy, Offshore structures, Floating wind turbine
Abstract

The present paper describes the experiences gained from the design methodology and operation of a 3D physical modelexperiment aimed to investigate the dynamic behaviour of a spar buoy floating offshore wind turbine. The physical model consists in a Froude-scaled NREL 5MW reference wind turbine (RWT) supported on the OC3-Hywind floating platform. Experimental tests have been performed at Danish Hydraulic Institute (DHI) offshore wave basin within the European Union-Hydralab+ Initiative, in April 2019. The floating wind turbine model has been subjected to a combination of regular and irregular wave attacks and different wind loads. Measurements of displacements, rotations, accelerations, forces response of the floating model and at the mooring lines have been carried out. First, free decay tests have been analysed to obtain the natural frequency and the modal damping ratios of each degree of freedom governing the offshore. Then, the results concerning regular waves, with orthogonal incidence to the structure, are presented. The results show that most of longitudinal dynamic response occurs at the wave frequency and most of lateral dynamic response occurs at rigid-body frequencies. This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 654110, HYDRALAB+.

Published
2020

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