Ara es mostren els items 1-20 de 65

  • 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
    Accés restringit per política de l'editorial
    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 Chimera method for the incompressible Navier-Stokes equations 

    Houzeaux, Guillaume; Eguzkitza, B.; Aubry, Romain; Owen, H.; Vázquez Arenas, M. Benita (2014-05-30)
    Article
    Accés restringit per política de l'editorial
    The Chimera method was developed three decades ago as a meshing simplification tool. Different components are meshed independently and then glued together using a domain decomposition technique to couple the equations ...
  • A mathematical model for the motion of an in-flight soccer ball 

    Myers, Timothy; Mitchell, Sarah Louise (2013)
    Article
    Accés obert
    In this paper, an analytical and numerical study of the three-dimensional equations describing the motion through the air of a spinning ball is presented. The initial analysis involves constant drag coefficients, but is ...
  • A meshless finite point method for the three-dimensional analysis of compressible flow problems involving moving boundaries and adaptivity 

    Ortega, Enrique; Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo; Flores Le Roux, Roberto Maurice (2013-10-10)
    Article
    Accés restringit per política de l'editorial
    A finite point method for solving compressible flow problems involving moving boundaries and adaptivity is presented. The numerical methodology is based on an upwind-biased discretization of the Euler equations, written ...
  • A meshless finite point method for three dimensional analysis of compressible flow problems involving moving boundaries and adaptivity 

    Ortega, Enrique; Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo; Flores Le Roux, Roberto Maurice (2013-10)
    Article
    Accés restringit per política de l'editorial
    A finite point method for solving compressible flow problems involving moving boundaries and adaptivity is presented. The numerical methodology is based on an upwind-biased discretization of the Euler equations, written ...
  • Aerodynamic design of a RC model airplane for SAE Aero Design 

    Bernaldo Franco, Pol (Universitat Politècnica de Catalunya, 2016-10-03)
    Treball Final de Grau
    Accés restringit per decisió de l'autor
    This project focuses on the aerodynamic design of a RC model airplane for the SAE Aero Design competition of 2016. It solely includes the aerodynamic design, thus, no structural / mechanical analysis nor manufacturing ...
  • Aerodynamic performance of a paraglider wing 

    Moreno Colilles, Joan Marc (Universitat Politècnica de Catalunya, 2017-10-30)
    Treball Final de Grau
    Accés obert
    The aim of this project is to carry out an aerodynamic performance analysis of a paraglider by using simulation computational programs with low time cost and computational requirements, but still effective approach obtaining ...
  • Aerodynamic performance of the rear spoiler of a Formula Renault V3.5 2007 

    Pla Navarro, Roger (Universitat Politècnica de Catalunya, 2011-04-13)
    Treball Final de Grau
    Accés restringit per decisió de l'autor
    L’objectiu d’aquest projecte és simular el comportament de l’aleró posterior d’un cotxe de competició de les World Series by Renault 3.5 a mesura que es mou per l’aire. Per tant, s’estudiaran les diverses forces ...
  • Aerodynamics, stability and control computational analysis for UAVs 

    Pérez Arroyo, Carlos; Sintes Arroyo, Pol (Universitat Politècnica de Catalunya, 2007-07-24)
    Projecte/Treball Final de Carrera
    Accés obert
    L’objectiu d’aquest projecte és l’estudi aerodinàmic d’un UAV (vehicle aeri no tripulat). Aquest tipus de aeronaus són utilitzades comunament en molts països per desenvolupar tasques com vigilància, recerca o combat degut ...
  • An analysis of the aerodynamic performances of an ancient Spanish windmill 

    Sanchez Gil, Eva (Universitat Politècnica de Catalunya, 2014-07-11)
    Treball Final de Grau
    Accés restringit per decisió de l'autor
    The windmill generates power by extracting part of the kinetic energy of the wind, and it was aimed to satisfy the basic needs on XVIII and XIX century in Southern Spain. Wind power has been used as long as humans have put ...
  • An assessment of the sea breeze energy potential using small wind turbines in peri-urban coastal areas 

    Mazón Bueso, Jordi; Rojas Gregorio, José Ignacio; Jou, Jordi; Valle, Aaron; Olmeda, David; Sanchez, Carlos (2015-01-29)
    Article
    Accés obert
    From wind speed data recorded hourly at 2 m high during 18 years (1993-2010) in the Llobregat Delta (15 km south of Barcelona city; northeast of the Iberian Peninsula), wind speed distributions at 10 m high were computed ...
  • Analisis estocástico de carga aerodinámica en una costilla de ala 

    Oliver Colom, Maria Francisca (Universitat Politècnica de Catalunya, 2011-06-07)
    Treball Final de Grau
    Accés obert
    El objetivo de este trabajo es realizar un análisis estocástico de carga aerodinámica en una costilla de ala. Se utiliza una costilla del planeador Fauvel AV-22, modelado anteriormente en CAD. Para ello se utilizan varios ...
  • Analysis of the aerodynamic coefficients in a digital flying body 

    Presas Batlló, Alexandre (Universitat Politècnica de Catalunya / Technishe Universität München, 2008)
    Projecte/Treball Final de Carrera
    Accés restringit per acord de confidencialitat
    1) Resume and study of the aerodynamic features in a longitudinal movement 2) Program a tool to make automatically the most important aerodynamic representations of this movement for the digital flying body 3) Analysis of ...
  • Anàlisi del flux aerodinàmic forçat al voltant d'un perfil alar 

    Ridaura Garcia, Aitor (Universitat Politècnica de Catalunya, 2014-12-17)
    Treball Final de Grau
    Accés restringit per decisió de l'autor
    The primary objective of this Project is analyze the aerodynamic performance of a modified airfoil in two dimensions using a computer simulation program. To introduce the reader, briefly explains the basics of lift in ...
  • Aproximation of the Aeroacoustics sources with finite element techniques 

    Jazarevic, Vladimir (Universitat Politècnica de Catalunya, 2010-05-05)
    Projecte Final de Màster Oficial
    Accés obert
    In this work a stabilized formulation of the nite element method for solving the incompressible Navier-Stokes equation and Lighthill's tensor for calculation of acoustic sources are presented. The important feature of ...
  • Benchmark on the Aerodynamics of a 5:1 Cylinder using NEK5000 

    Timilsina, Poojan (Universitat Politècnica de Catalunya, 2015-02-15)
    Treball Final de Grau
    Accés obert
    Realitzat a/amb:  University of Pisa
    During this decade, the interest in the aerodynamics around a steady rectangular cylinder has grown up so vastly that various researchers and scientist working on bluff body aerodynamics contributed to the Benchmark on the ...
  • Calculo rcs de bordes arbitrarios y cavidades en aviones complejos 

    Rius Casals, Juan Manuel; Cardama Aznar, Ángel (1991)
    Text en actes de congrés
    Accés obert
    Diffraction by edges and cavities play an importan! role in obtaining the global Radar Cross Section of complex targets.We discuss here how the Modal Serie-Boundary Element Method can be used to provide the far-field ...
  • CFD study of thick flatback airfoils using OpenFOAM 

    Milián Sanz, José María (Universitat Politècnica de Catalunya / Denmarks Tekniske Universitet (Technical University of Denmark), 2010)
    Projecte/Treball Final de Carrera
    Accés obert
    New airfoil designs are created in order to improve both the structural and aerodynamic properties of a wind turbine blade, one example of these are flatback airfoils. Furthermore, a new CFD programme exists in order to ...
  • Computational fluid dynamics analysis of a lateral mirror and introduction to digital implementation 

    Planes Rodriguez, Nuria (Universitat Politècnica de Catalunya, 2016-07-14)
    Treball Final de Grau
    Accés obert
    Nowadays, lateral mirrors, along with other car components, are in the spotlight of automotive experts, who are trying to modify the geometry of these components so as to reduce the aerodynamic drag and therefore save fuel. ...
  • Conception préliminaire de carters pour actionneurs 

    Vallmajo Ribas, Robert (Universitat Politècnica de Catalunya / Institut National des Sciences Appliquées de Toulouse, 2010)
    Projecte/Treball Final de Carrera
    Accés obert
    Ce projet est une étude centrée sur la conception préliminaire des actionneurs pour les applications aéronautiques. Toutes les parties de l’avion, et spécialement les ailes sont soumises à fortes vibrations a cause des ...