Academic literature on the topic 'Éolienne offshore'
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Journal articles on the topic "Éolienne offshore"
-Courault, J. "Production d'énergie sur ferme éolienne offshore." Revue de l'Electricité et de l'Electronique -, no. 11 (2002): 80. http://dx.doi.org/10.3845/ree.2002.126.
Full textOrange, Gérald. "Éolien en mer : projets prometteurs contre opposants «vent debout» !" Études Normandes 4, no. 1 (2017): 19–25. http://dx.doi.org/10.3406/etnor.2017.3615.
Full textPhilippe, Maxime, Aurélien Babarit, and Pierre Ferrant. "Étude des modes propres et de la réponse forcée d’une éolienne offshore flottante soumise à une houle de direction croisée par rapport à celle du vent." La Houille Blanche, no. 5 (November 2011): 53–59. http://dx.doi.org/10.1051/lhb/2011053.
Full textBerthelot, Patrick, Alain Puech, and Françoise Ropers. "Les développements éoliens au large des côtes françaises Introduction à la journée technique du 06 décembre 2018." Revue Française de Géotechnique, no. 158 (2019): 1. http://dx.doi.org/10.1051/geotech/2019007.
Full textJeanjean, Philippe. "Conférence Coulomb prononcée le 18 juin 2019 : Aperçu des défis de la géotechnique offshore." Revue Française de Géotechnique, no. 159 (2019): 1. http://dx.doi.org/10.1051/geotech/2019013.
Full textDupla, Jean-Claude, Elisabeth Palix, Guillaume Damblans, Alain Puech, Mathieu Blanc, Christophe Dano, Hussein Mroueh, et al. "Le projet ANR SOLCYP+ pour améliorer le dimensionnement des monopieux utilisés comme fondations d’éoliennes marines." Revue Française de Géotechnique, no. 158 (2019): 4. http://dx.doi.org/10.1051/geotech/2019010.
Full textStavropoulou, Eleni, Christophe Dano, Marc Boulon, Matthieu Briffaut, Ankit Sharma, and Alain Puech. "Résistance au cisaillement des interfaces roche / coulis représentatives de pieux offshore." Revue Française de Géotechnique, no. 158 (2019): 6. http://dx.doi.org/10.1051/geotech/2019012.
Full textNadaï, Alain, and Olivier Labussière. "Dossier « Territoires en transition environnementale » – Recomposer la mer pour devenir offshore : le projet éolien de Veulettes-sur-Mer." Natures Sciences Sociétés 22, no. 3 (July 2014): 204–18. http://dx.doi.org/10.1051/nss/2014039.
Full textTraversa, Sylvain. "Le risque « engin explosif historique » et le développement des parcs éoliens offshore dans la Manche et la mer du Nord." Revue Juridique de l'Environnement 40, no. 1 (2015): 41–57. http://dx.doi.org/10.3406/rjenv.2015.6479.
Full textBeuret, Jean-Eudes. "La confiance est-elle négociable ? La construction d’un intérêt général territorialisé pour l’acceptation des parcs éoliens offshore de Saint Brieuc et Saint Nazaire." Géographie, économie, société 18, no. 3 (September 30, 2016): 335–58. http://dx.doi.org/10.3166/ges.18.335-358.
Full textDissertations / Theses on the topic "Éolienne offshore"
Boujelben, Abir. "Géante éolienne offshore (GEOF) : analyse dynamique des pales flexibles en grandes transformations." Thesis, Compiègne, 2018. http://www.theses.fr/2018COMP2442.
Full textIn this work, a numerical model of fluid-structure interaction is developed for dynamic analysis of giant wind turbines with flexible blades that can deflect significantly under wind loading. The model is based on an efficient partitioned FSI approach for incompressible and inviscid flow interacting with a flexible structure undergoing large transformations. It seeks to provide the best estimate of true design aerodynamic load and the associated dynamic response of such system (blades, tower, attachments, cables). To model the structure, we developed a 3D solid element to analyze geometrically nonlinear statics and dynamics of wind turbine blades undergoing large displacements and rotations. The 3D solid bending behavior is improved by introducing rotational degrees of freedom and enriching the approximation of displacement field in order to describe the flexibility of the blades more accurately. This solid iscapable of representing high frequencies modes which should be taken under control. Thus, we proposed a regularized form of the mass matrix and robust time-stepping schemes based on energy conservation and dissipation. Aerodynamic loads are modeled by using the 3D Vortex Panel Method. Such boundary method is relatively fast to calculate pressure distribution compared to CFD and provides enough precision. The aerodynamic and structural parts interact with each other via a partitioned coupling scheme with iterative procedure where special considerations are taken into account for large overall motion. In an effort to introduce a fatigue indicator within the proposed framework, pre-stressed cables are added to the wind turbine, connecting the tower to the support and providing more stability. Therefore, a novel complementary force-based finite element formulation is constructed for dynamic analysis of elasto-viscoplastic cables. Each of theproposed methods is first validated with differents estexamples.Then,several numerical simulations of full-scale wind turbines are performed in order to better understand its dynamic behavior and to eventually optimize its operation
Ikni, Djamel. "Production d’énergie marine : intégration de la production éolienne offshore dans un bouquet énergétique décentralisé." Thesis, Le Havre, 2014. http://www.theses.fr/2014LEHA0020/document.
Full textThe research work performed in this thesis is in the framework of issues related of renewable energies led by GREAH laboratory. The research work has been funded by Le Havre Municipality Assembly (CODAH). The requirements of power fluctuations in the grid are given by the grid code established by the electricity utilities companies in order to mitigate the impact of the wind power fluctuation on frequency and voltage in electrical grid. As wind energy has a fluctuating behavior, solutions have been proposed in this thesis for the situation where the power produced by an offshore wind power plant exceeds the threshold given by the grid code. Among the solutions, we can quote the ability of the wind power plant to smooth its own power production or integrate storage units. In the first case, the use of power reserve in wind turbines is possible and two methods have been proposed, and their performance evaluated. For the second solution, a methodology to find and to choose out the storage technology has been discussed. Proposals to build offshore wind farms with technologies using direct current (DC) have emerged. To get a coupling which fulfills the requirement of good reliability of power electronic devices used for the design of new wind farms, it has been proposed in this thesis adequate converters and control strategies that ensure their stability
Fichaux, Nicolas. "Évaluation du potentiel éolien offshore et imagerie satellitale." Phd thesis, École Nationale Supérieure des Mines de Paris, 2003. http://pastel.archives-ouvertes.fr/pastel-00001276.
Full textBenhamida, Mohammed Ali. "Investigation de nouvelles technologies de générateurs pour les éoliennes offshore." Thesis, Normandie, 2018. http://www.theses.fr/2018NORMLH11/document.
Full textThe aim of this PhD report is the investigation of electrical generators dedicated to an offshore wind turbine application. The main goal is to find optimal solutions in a vast research domain containing between eight and eleven optimization variables, while respecting a the imposed constraints. In order to achieve this goal, a multi-physics model was developed allowing the determination of the electromagnetic and temperature fields distributions in the selected topologies. Lumped models coupled to the interpolation functions were chosen as a solution offering a good computation time / precision ratio, thus taking into consideration the characteristics of the materials (thermal and magnetic). The developed model was coupled to a genetic optimization algorithm, NSGAII, allowing at first; the investigation of the necessary permanent magnets weight and the active parts one of two permanent magnet synchronous generator topologies where in the first the magnets are mounted in surfaces and in the second inserted in order to have flux concentration, three different powers have been investigated 5, 8 and 15 [MW]. Second, the integration of a magnetic gear in the wind energy conversion chain was studied using the same optimal approach previously used, while comparing the weight required of permanent magnets for this type of training with that of direct drive topologies (without gearbox)
Isorna, Rocio. "Etude de l’interaction sol-structure et de la fondation d’une éolienne offshore soumise à des chargements statiques/cycliques." Thesis, Ecole centrale de Nantes, 2017. http://www.theses.fr/2017ECDN0002/document.
Full textOffshore structures are designed to resist to severe environmental loads. This manuscript presents experimental and numerical studies on offshore wind turbine pile foundations submitted to static monotonic/cyclic loads. Isolated piles (diameter of 1.8 m and embedded length of 40m) and a four-legged truss structure installed in dense Fontainebleau sand have been tested at 100×g in a geotechnical centrifuge. The behavior of the isolated piles has been characterized under monotonic axial load. The piles have been jacketed at 1×g and 100×g and the influence of the setup method on the bearing capacity has been measured. The stability diagram of a pile has been constructed using cyclic tests, CPT experiments have been performed and the influence of the initial stresses has been studied. Finally, experimental results of the jacket foundation submitted to lateral cyclic loadings are presented. The finite element method and a macro-element for piles have been used to numerically reproduce the experimental results. Constitutive laws are based on the hypoplasticity theory and the initial stresses in the soil have been calculated using the IC-05 method. The numerical results are compared with the experimental and the analytical results from the API standards
Lacaze, Jean-Baptiste. "Etude expérimentale et numérique du couplage des phénomènes aérodynamiques et hydrodynamiques sur une éolienne offshore flottante." Thesis, Aix-Marseille, 2015. http://www.theses.fr/2015AIXM4735.
Full textThe present work focuses on the modeling of the hydrodynamic and aerodynamic loads on a floating wind turbine. The experimental approach took advantage of the wind and wave flume in Luminy operated by the MIO (Mediterranean Institute for Oceanography) comprising a wind tunnel with a very high flow quality blowing over a wave tank. The dimensions of the installation impose working at very small scales for which the similitudes (Reynolds, Froude) introduce high modeling complexities. This work allowed the development of numerical tools using one the one hand a frequency domain approach based on a finite element code developped by IFP¨in the early seventies, and in the other hand a time-domain approach based on Morison or Rainey formulation for hydrodynamic loads allowing the introduction of advanced methods for aerodynamic loads computation
Coudurier, Christophe. "Conception, modélisation et contrôle d'un tube anti-roulis multidirectionnel pour une barge offshore portant une éolienne." Thesis, Paris Sciences et Lettres (ComUE), 2017. http://www.theses.fr/2017PSLEM054/document.
Full textThanks to the recent policies of subsidizing renewables energies, constructions of offshore wind farms are booming all over the world. Yet, fixed-bottom wind turbine technology, the only one currently deployed, are too costly for deep waters. This hinders the development of wind power. This is why the scientific community has an interest in floating wind turbines (FWT). The cost of these wind turbines does not depend much on water depth. But since the wind turbine is not fixed into the seabed, the mechanical stress caused by the waves significatively raises.To reduce these detrimental loads, different approaches can be used. The litterature already discarded the control of the wind thrust applied on the rotor to compensate the "fore-aft" oscillations of the tower. We focused on stabilizing floating wind turbine by means of an attached damping system placed inside the float, it is a Tuned Liquid Column Damper (a U-tube containing a liquid, TLCD, also known as anti-roll tank), used in other areas. The damper we propose is an active system where TLCD parameters are continuously modified. Parameters are updated according to a strategy defined thanks to an analysis of the interactions between TLCD and the float (referred to as barge) supporting the wind turbine. We modelled the coupled dynamics of the barge and the TLCD in the vertical plan using a Lagrangian approach. We studied the motions of the damped system for a constant head-loss coefficient in the TLCD. The limits of this approach were detailed thanks to the classic results in double oscillators literature. Then, we focused on an active approach involving a time varying of the head-loss coefficient. We proposed Linear Quadratic Regulator and Model Predictive Control strategies to determine the head-loss coefficient. At a later stage, simulations enabled us to discard the MPC strategy as its complexity/performance ratio is rather bad compared to the LQR strategy in this particular case.A more general study of the system, in three dimensions, showed us that the TLCD is not robust against wave incidence. Therefore, we imagined and modeled new dampers inspired by the TLCD, which can damp the float effectively, regardless of the wave incidence. We named those dampers Tuned Liquid Multiple Column Damper (TLMCD).The dampers we propose are active TLMCD. Their designs are based on their dynamic properties and a cost study. We also detailed the specificities of LQR design to ensure the best possible robustness against wave incidence.The performance of the proposed TLMCD dampers was assessed through numerical simulations for a wide range of sea conditions. We observe that barge roll can be reduced by a factor of four compared to the undamped FWT. These results show us that the TLMCD we propose is interesting to damp significantly, robustly and economically our FWT
Binti, Abd Jamil Roshamida. "Optimization of the capacity factor of energy ships for far-offshore wind energy conversion using weather-routing." Thesis, Ecole centrale de Nantes, 2022. http://www.theses.fr/2022ECDN0002.
Full textThe energy ship is a relatively new concept for offshore wind energy harvesting. It consists of a windpropelled ship that generates electricity using water turbines attached underneath its hull. Since the energy ship is not grid-connected, the generated energy is stored aboard (for instance, using batteries or through conversion to hydrogen using an electrolyzer). A key advantage of the energy ship is that it is mobile. Therefore, its trajectory can be optimized using weatherrouting in order to maximize energy production, which is the focus of this thesis. The analysis in the thesis is based on numerical simulations. The weather-routing software is a modified version of QtVlm in which the optimization objective has been replaced by the maximization of the energy production. The energy ship is modelled in the software by a velocity polar and a power production polar. The wind data is based on the ECMWF ERA-5 wind dataset. The energy ship concept is particularly well-suited for the harvesting of the wind energy conversion in the faroffshore. Therefore, the capacity factor of energy ships deployed in the North-Atlantic Ocean is investigated first. Results show that a capacity factor of 70% can be (annual average). It is similar to that of floating offshore wind farms which would be deployed in the same area. Energy ships may also be used for the power supply of islands and coastal communities. Therefore, the capacity factor of energy ships deployed nearshore is also investigated. Two case studies are considered: the island of “Ile de Sein” and the “Saint-Pierre-et-Miquelon” archipelagos. Results show that the capacity factor is in the order of 50%. In this case, it would be 10 to 20% smaller than that of offshore wind farms. The weather-routing optimization depends on physical (e.g. storage capacity, rated power) and numerical parameters. Sensitivity analyses are performed in order to understand their effect on energy production. Results show that the optimization algorithm in QtVlm tends to converge to local maxima. Therefore, future work should be directed towards the development of better optimization methods
Kerner, Laura. "Interaction sol-structure sous sollicitations cycliques dynamiques : Application aux éoliennes offshore fondées sur monopieu." Thesis, Paris Est, 2017. http://www.theses.fr/2017PESC1118/document.
Full textThis PhD thesis deals with the main issue which is the evolution of the first natural frequency of an offshore wind turbine. These slender structures are submitted to cyclic and dynamic loads such as wind, waves, currents, and the blade rotations. The frequencies related to these loads are close to the first natural frequency of the turbine, which lay in a narrow interval between the frequencies of the rotor and the blades. In order to avoid any resonance phenomenon, one needs a precise evaluation of not only the natural frequency of the wind turbine after its installation but also its evolution during the operation of the turbine. These two issues are considered in this work.In this context, an experimental work was developed considering two 1g physical models of an offshore wind turbine with a monopile foundation installed in Fontainebleau sand. Based on the modelling of the foundation as a set of lateral and rotational springs, an experimental program was developed in order to evaluate the stiffness of these springs and the natural frequency of the scaled models. This method was first compared to the existing methods and has allowed to develop some original methods to evaluate the natural frequency of the considered scaled model. The tests, conducted on two physical models with different scales (1/60 and 1/120), also allowed us to adapt the obtained results to a real offshore wind turbine. As a part of the study of the turbine’s evolution during its operation, cyclic load tests were conducted. A parametric study is proposed with a focus on the influence of the load’s frequency and its amplitude. The obtained results allowed us to analyze the behavior of the scaled models submitted up to one million cycles considering, mainly, the evolution of the displacement, the rotation, and the natural frequency of the structures. These results were then compared to the limits imposed by the serviceability limit state of a real offshore wind turbine
Ramachandran, Ragavendran. "Gestion des flux énergétiques d'une ferme éolienne offshore connectée à un système HVDC au travers d'un redresseur à diodes." Thesis, Ecole centrale de Lille, 2019. http://www.theses.fr/2019ECLI0015.
Full textEnergy Transition for a more sustainable world is now the priority in societies. Towards this objective, especially in Europe, the offshore wind energy development has been fast. For Offshore Wind Power Plants (OWPP) farther from the shore (50 km and beyond) Voltage Source Converter (VSC) based High Voltage DC (HVDC) Transmission has become a the prominent solution. Replacement of offshore VSC station by multiple Diode Rectifier Units (DRUs) led to a cheaper, more compact and robust solution. This thesis focusses on various technological and scientific problems involved in the control system of the Offshore Wind power Plant with Diode Rectifier (DR) based HVDC transmission. These challengess are first reviewed in detail along with the state of the art. Then, based on the system dynamics, a grid forming control scheme is proposed by using the P-V and Q-f droop relationships with a solution for the synchronization of the wind generators. Following this, some of the selected control solutions in the literature for this topology are reviewed, compared and assessed by using time domain simulations of a study case. Following this, a novel black start strategy is devised for the offshore network and a Supervisory Control is implemented for a study case by using a Discrete Event System (DES) based modeling and Supervisory Control Theory (SCT). The various faults in the offshore system are then analyzed and the above designed Grid forming control scheme is extended with Fault Ride through (FRT) capability, for offshore AC grid faults. Finally, a brief analysis is done on the challenges for the integration of this OWPP topology into a Multi Terminal DC (MTDC) network
Books on the topic "Éolienne offshore"
At the margins of planning: Offshore wind farms in the United Kingdom. Aldershot Hants, England: Ashgate Pub., 2008.
Find full textGouverneur, Philippe. Les éoliennes en mer: Questions, réponses. Paris: Cherche midi, 2012.
Find full textOffshore wind: A comprehensive guide to successful offshore wind farm installation. Waltham. MA: Elsevier/Academic Press, 2012.
Find full textGood practice guideline: Working at height in the offshore wind industry. London: Energy Institute, 2018.
Find full textNational Research Council (U.S.). Transportation Research Board, ed. Worker health and safety on offshore wind farms. Washington, D.C: Transportation Research Board, 2013.
Find full textTavner, Peter. Offshore Wind Power: Reliability, Availability and Maintenance. Institution of Engineering & Technology, 2021.
Find full textOffshore Wind Power: Reliability, Availability and Maintenance. Institution of Engineering & Technology, 2021.
Find full textOffshore Wind Farms: Technologies, Design and Operation. Elsevier Science & Technology, 2016.
Find full textRan, Li, and Chong Ng. Offshore Wind Farms: Technologies, Design and Operation. Elsevier Science & Technology, 2016.
Find full textLetcher, Trevor M. Wind Energy Engineering: A Handbook for Onshore and Offshore Wind Turbines. Elsevier Science & Technology, 2022.
Find full textConference papers on the topic "Éolienne offshore"
Castanier, Bruno, Wenjin Zhu, and Belgacem Bettayeb. "Un outil d'aide à la décision pour la planification des opérations de maintenance d'une éolienne offshore." In Congrès Lambda Mu 20 de Maîtrise des Risques et de Sûreté de Fonctionnement, 11-13 Octobre 2016, Saint Malo, France. IMdR, 2016. http://dx.doi.org/10.4267/2042/61731.
Full textDROIT, Julie, and Hervé DITCHI. "État d’avancement d’un guide sur la réversibilité des éoliennes offshore." In Conférence Méditerranéenne Côtière et Maritime - Coastal and Maritime Mediterranean Conference. Editions Paralia, 2015. http://dx.doi.org/10.5150/cmcm.2015.049.
Full textORCEL, Olivier, and Philippe SERGENT. "Caractérisation statistique des durées d’arrêt et de fonctionnement des fermes éoliennes offshores." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2018. http://dx.doi.org/10.5150/jngcgc.2018.066.
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