Ara es mostren els items 21-40 de 45

    • Impact on the wave parameters estimation of a kinetic energy harvester embedded into a drifter 

      Carandell Widmer, Matias; Toma, Daniel; Pinto, José P.; Gasulla Forner, Manuel; Río Fernandez, Joaquín del (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Comunicació de congrés
      Accés obert
      The effect of a Kinetic Energy Harvester (KEH) on the wave parameters estimation at a WAVY Ocean (WO) drifter is being studied. An algorithm has been developed to calculate the wave parameters from the Inertial Measuring ...
    • Investigation for a more reliable yaw system design for the deltastream tidal turbine 

      Alvarado Carbajo, Dídac Adrià (Universitat Politècnica de Catalunya, 2012)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      Tidal power is a growing industry in the world but particularly in the United Kingdom. Many companies have started the race to achieve a cheap and efficient tidal turbine design. For instance, Tidal Energy Limited has opted ...
    • Magallanes project: testing the marine tidal current platform in the “Ría of Vigo” 

      Díaz Dorado, Eloy; Carrillo González, Camilo José; Cidrás Pidre, José; Grande, Javier (SARTI, 2021)
      Article
      Accés obert
      In this study, the behavior of a platform for tidal energy is analyzed. The turbine of this platform is formed by two counter-rotating rotors aligned with the tidal current, such that one rotor is always under the wake of ...
    • Mechanical design of the Ocean Grazer's floater blanket 

      Vidal I Mauricio, Sergi (Universitat Politècnica de Catalunya, 2019-10-03)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Rijksuniversiteit Groningen / Ocean Grazer
      Nowadays, global warming is in the order of the day, as the majority of the countries are experiencing heat waves and other insalubrious atmospheric phenomena continuously. Some countries in Europe, such as United Kingdom, ...
    • Modelling assessment of the tidal stream resource in the Ria of Ferrol (NW Spain) using a year-long simulation 

      Mestres Ridge, Marc; Cerralbo Peñarroya, Pablo; Grifoll Colls, Manel; Sierra Pedrico, Juan Pablo; Espino Infantes, Manuel (Elsevier, 2019-02)
      Article
      Accés obert
      The availability of tidal stream energy in the Ría of Ferrol (NW Spain) has been assessed using a long term hydrodynamic simulation (351 days). A priori, a strait in the central part of the estuary seems a promising site ...
    • Modelling of tidal power with EasyJava simulations 

      Baranger, Pierre; Grau Saldes, Antoni; Bolea Monte, Yolanda (2013-10)
      Report de recerca
      Accés obert
      This report is devoted to the study of a mathematical model to simulte the behaviour of a power generation plant from the ocean tidals. The simulation has been implemented with EasyJava Simulations (EJS) environment.
    • Nonlinear control design for wave energy converter 

      Galván García, Bruno (Universitat Politècnica de Catalunya / University of Groningen, 2013)
      Treball Final de Grau
      Accés obert
      In this thesis, we study the optimization of a single-piston pump system for use in a new wave energy converter by using a feedback mechanism. The first part of the thesis is dedicated to the optimal determination of ...
    • Nonlinear dynamic analysis of pendulum-type Wave Energy Converter for low-power marine monitoring applications 

      Carandell Widmer, Matias; Toma, Daniel; Alevras, Panagiotis; Gasulla Forner, Manuel; Río Fernandez, Joaquín del; Barjau Condomines, Ana (European Wave and Tidal Energy Conference (EWTEC), 2021)
      Text en actes de congrés
      Accés obert
      A model for a double pendulum Wave Energy Converter (WEC) for drifter applications has been developed and validated. The WEC is composed by an articulated arm, a gear train, a flywheel, a one-way bearing and a DC generator. ...
    • Operating conditions leading to crack propagation in turbine blades of tidal barrages. Influence of head and operating mode 

      Luo, Yongyao; Presas Batlló, Alexandre; Wang, Zhengwei; Xiao, Yexiang (Elsevier, 2020-01)
      Article
      Accés obert
      Tidal energy systems and specifically tidal barrages are renewable energy systems, that use the potential energy of tides to produce electricity. Actually, there are few tidal power stations operating, although recent ...
    • Optimum MPPT strategy for low-power pendulum-type wave energy converters 

      Carandell Widmer, Matias; Toma, Daniel; Río Fernandez, Joaquín del; Gasulla Forner, Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Comunicació de congrés
      Accés obert
      Maximum Power Point Tracking (MPPT) techniques for low-power pendulum-type Wave Energy Converters were evaluated. A Kinetic Energy Harvester previously designed, together with a Power Management Unit, were tested on a ...
    • Power generation from tidal currents. Application to Ria de Vigo 

      Griñó Colom, Maria (Universitat Politècnica de Catalunya, 2015-06-17)
      Tesina
      Accés obert
    • Simulació bidimensional d’un sistema de boies per extreure energia del mar 

      Camps Santasmasas, Marta (Universitat Politècnica de Catalunya, 2010-02-09)
      Projecte Final de Màster Oficial
      Accés obert
      L’objectiu d’aquest treball és modelitzar i estudiar el comportament d’un sistema format per una plataforma flotant amb diverses boies situat a alta mar que té per objectiu extreure energia de l’onatge incident. Per tal ...
    • Simulación del movimiento de un captador de energía mareomotriz situado en el interior de una boya de deriva 

      Zambrano Risco, Byron; Cascos Muñoz, Iván (Universitat Politècnica de Catalunya, 2019-07)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      [CASTELLÀ] El presente documento plasma el proceso de simulación mediante el uso del programa Siemens NX de un mecanismo convertidor de energía mareomotriz en energía eléctrica situado en el interior de una boya de deriva. ...
    • Simulating debris impacts on hydrokinetic infrastructure 

      Aliseda, A; Bagi, A; Johnson, Jerome B; Duvoy, P. X.; Kasper, J. L; Kulchitsky, A; Villardi de Montlaur, Adeline de (2017)
      Comunicació de congrés
      Accés obert
      The discrete element method was applied to model the impact force of woody debris (trees) on hydrokinetic infrastructure in a river setting. The DEM model, termed the Hydrokinetic Debris Impact Simulator (HDIS) was used ...
    • Simulation of a Pendulum-Type Wave Energy Converter for Oceanic Drifters 

      Ortiz de Haro, Joan (Universitat Politècnica de Catalunya, 2021-09-13)
      Treball Final de Grau
      Accés obert
      Drifters (floating devices) are Lagrangian instrumentation widely used in oceanography and climate research. They are designed to obtain marine data by passively following the water currents, providing information about ...
    • Sistema de Aprovechamiento de la Energía de las Olas del Mar 

      Pi Amorós, Gabriel (Universitat Politècnica de Catalunya, 2010-06)
      Projecte/Treball Final de Carrera
      Accés obert
      Este documento describe un sistema de aprovechamiento de la energía transportada por el oleaje o energía undimotriz. El sistema no transformará la energía únicamente en electricidad si no que aprovecha dicha electricidad ...
    • Sistema de monitorización y supervisión de una boya para generación de energía undimotriz 

      Castaño Sánchez, Martín (Universitat Politècnica de Catalunya, 2011-06-15)
      Projecte/Treball Final de Carrera
      Accés obert
      Las boyas oceanográficas resultan un punto de información meteorológica y oceanográfica cada vez más importante como estación de información. La información que aporta una boya puede servir para realizar un estudio ...
    • Sistemi di converzione dell'energie del moto ondoso 

      Vates Avilés, Alba Piedad (Universitat Politècnica de Catalunya / Università degli Studi di Firenze, 2008)
      Projecte/Treball Final de Carrera
      Accés restringit per acord de confidencialitat
    • Stresses and deformation analysis of the storage system structure of the Ocean Grazer 

      Altarriba Subirana, Albert (Universitat Politècnica de Catalunya, 2020-04-24)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Rijksuniversiteit Groningen
      The global warming of the planet, mainly due to the excessive use of fossil fuels, and the consequences that are related to this phenomenon have implied a substantial increase in the bet on cleaner and more sustainable ...
    • Study of the optimum design of a 25m diameter Tidal Turbine 

      Sánchez Romeu, Andreu Martí (Universitat Politècnica de Catalunya, 2015-06)
      Treball Final de Grau
      Accés obert
      Study the current state of the art in Tidal turbines design. Estimate of the optimum nominal power which could be obtained for the specified diameter for this turbine. Design the shape of the blades considering studies in ...