Browsing by Subject "Aerogeneradors -- Aerodinàmica"

Now showing items 1-20 of 30

    • 3D load estimation on a horizontal axis wind turbine using SPIV 

      Campo Gatell, Vanessa del; Ragni, D.; Micallef, D.; Akay, B.; Diez, F. J.; Ferreira, C. Simao (2014-11-01)
      Article
      Restricted access - publisher's policy
      The flow around the blade of a horizontal axis wind turbine wind tunnel model, operating at its optimal tip speed ratio in axial flow, has been investigated by means of stereoscopic particle image velocimetry (SPIV). The ...

    • A simplified model for the dynamic analysis and power generation of a floating offshore wind turbine 

      Lerch, Markus; Prada Gil, Mikel de; Molins i Borrell, Climent (EDP Sciences, 2018)
      Conference report
      Open Access
      This paper presents a simplified model for the dynamic analysis of a floating off-shore wind turbine (FOWT), which can be suitable for early feasibility and pre-engineering studies, where the complete system has to modeled ...

    • Aerodynamic study on the design and optimization of flatback airfoils for wind turbine applications 

      Canals Seix, Ona (Universitat Politècnica de Catalunya, 2015-06)
      Bachelor thesis
      Open Access
      Update the available literature on current flat back airfoils.Continue the optimization of flatback surfaces obtained from conventional sections and develop completely new designs with the objective of obtaining better ...

    • Aerodynamic verification and optimization of a model of an offshore floating wind turbine 

      Pérez Sánchez, Laura (Universitat Politècnica de Catalunya / Politecnico di Torino, 2013)
      Bachelor thesis
      Restricted access - author's decision
      Offshore wind power technologies are still developing. Floating systems represent the future of wind energy as they provide sites with better wind characteristics. Nowadays they are under intensive study and experimentation, ...

    • Avaluació in situ i càlcul de càrregues en un aerogenerador 

      Palou Visa, Jonel (Universitat Politècnica de Catalunya, 2012-06)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      Aquest volum conté la memòria del projecte de fi de carrera "Avaluació in situ i càlcul de càrregues en un aerogenerador‟. Es presenta la implementació d'un software que serveix per realitzar un estudi de vent, però al ...

    • CFD study of the influence of mountain and valley shapes on wind propagation 

      López Gallego, Pedro (Universitat Politècnica de Catalunya, 2019-07-11)
      Bachelor thesis
      Open Access
      In the following work an aerodynamic study is explained, which consists in seeing the influence of the earth’s surface on the wind propagation. Specifically in plains, uphill and downhill slopes, basic geometries ...

    • Computational Fluid Dynamics study of 2D vertical axis turbines for application to wind and tidal energy production 

      Hernández Gómez, Antonio (Universitat Politècnica de Catalunya, 2014-03-13)
      Bachelor thesis
      Open Access
      This project consists in the study of vertical axis turbines, which in opposition to classical horizontal axis turbines have their axis of rotation perpendicular to the fluid (air/water) direction. These kinds of turbines ...

    • Decommissioning of offshore wind turbines 

      Ruiz Sánchez, Clara (Universitat Politècnica de Catalunya, 2019-01-25)
      Bachelor thesis
      Open Access
      Decommissioning is a key process in the offshore wind industry because all substructures, bottom fixed or floating, have to be removed and completely dismantled at the end of their service life. There is still no experience ...

    • Decommissioning of offshore wind turbines 

      Ruiz Sánchez, Clara (Universitat Politècnica de Catalunya, 2019-02-19)
      Bachelor thesis
      Open Access
      Decommissioning is a key process in the offshore wind industry because all substructures, bottom fixed or floating, have to be removed and completely dismantled at the end of their service life. There is still no experience ...

    • Development of reduced order models for wind farm control 

      Fortes Plaza, Alberto (Universitat Politècnica de Catalunya / Technische Universität München, 2017-04)
      Master thesis
      Open Access
      Background: Wind energy is one of the leading renewable energies that take part in the current transition from the usage of traditional fossil-fuel energies to green ones. The potential and development of wind power is ...

    • Estudi aerodinàmic d’un aerogenerador d’eix horitzontal 

      Ballester Claret, Roger (Universitat Politècnica de Catalunya, 2019-05-21)
      Bachelor thesis
      Restricted access - author's decision

    • Estudi de l’aprofitament de l’energia eòlica offshore 

      Gómez Calatrava, Joan (Universitat Politècnica de Catalunya, 2015-05)
      Bachelor thesis
      Open Access
      El present treball consisteix en l’estudi de l’energia eòlica marina a partir de parcs eòlics offshore. Es centra en el seus principis fonamentals des de un punt de vista teòric. Posteriorment s’estudia des de un punt de ...

    • Estudio aerodinámico de un aerogenerador mediante teoría BEM (Blade Element Momentum) 

      Escalera Siles, Javier (Universitat Politècnica de Catalunya, 2014-09)
      Master thesis (pre-Bologna period)
      Open Access
      La generación de energía eléctrica a partir de energía cinética procedente del viento ha cobrado importancia, en los últimos años, debido al aumento de la demanda energética global y a la creciente sensibilización ...

    • Estudio aerodinámico y optimización de perfiles flatback aplicado a aerogeneradores 

      Sotelo Ferry, Efrain Antonino (Universitat Politècnica de Catalunya, 2014-06)
      Bachelor thesis
      Open Access
      Collect available literature on current flat back airfoils.Study conventional airfoils used in current wind turbines blade design and characterise its aerodynamic properties.Obtain flat back airfoils from this conventional ...

    • Estudio del desarrollo aerodinámico de un aerogenerador ‘wind-lens’ 

      Sotelo Ferry, Efrain Antonino (Universitat Politècnica de Catalunya, 2016-06)
      Master thesis
      Restricted access - author's decision
      El objeto de este proyecto es adquirir conocimientos sobre el diseño aerodinámico de las palas de un aerogenerador con ‘wind lens’. Usando la teoría de BEM (‘Blade Element Momentum’) modificada por eluso de‘wind lens’.También ...

    • Evaluation of the lifting line vortex model approximation for estimating the local blade flow fields in horizontal-axis wind turbines 

      Sant, T.; Campo Gatell, Vanessa del; Micallef, D.; Ferreira, C. Simao (2016-03-01)
      Article
      Open Access
      Lifting line vortex models have been widely used to predict flow fields around wind turbine rotors. Such models are known to be deficient in modelling flow fields close to the blades due to the assumption that blade vorticity ...

    • Experimenal study of the aerodynamics of a horizontal axis wind turbine 

      Campo Gatell, Vanessa del (Universitat Politècnica de Catalunya, 2013-03-22)
      Doctoral thesis
      Open Access
      One of the challenges of the wind energy community today is to improve the existing background on the aerodynamic phenomena of a Horizontal Axis Wind Turbine (HAWT), the prediction of the wind speed distribution on the ...

    • Experimental study of flow through a Savonius wind turbine 

      Mirambell Masramon, Eloi (Universitat Politècnica de Catalunya, 2015-06)
      Bachelor thesis
      Open Access
      Due to its principle of operation and the continuous variation of flow angle with respect to blades, strong unsteady effects including separation and vortex shedding are observed in a Savonius wind turbine . The flow ...

    • Impacts of wind energy in-feed on power system small signal stability 

      Banna, Hasan UI; Luna Alloza, Álvaro; Ying, Shaoqing; Ghorbani, Hamidreza; Rodríguez Cortés, Pedro (2014)
      Conference report
      Restricted access - publisher's policy
      Integration of large amount of wind energy in an interconnected power system creates concerns about secure, reliable and economical operation of the entire power system. So it becomes very necessary to investigate the ...

    • Multi-fault diagnosis for wind turbines based on principal component analysis and support vector machines 

      Vidal Seguí, Yolanda; Pozo Montero, Francesc; Tutivén Gálvez, Christian (2018)
      Conference lecture
      Restricted access - publisher's policy
      The reliability requirements of wind turbine (WT) components have increased significantly in recent years in the search for a lower impact on the cost of energy. In addition, the trend towards larger WTs installed in ...