Now showing items 1-20 of 31

  • 3D numerical simulation of a jet engine axial compression stage 

    Coma Calle, Ferran (Universitat Politècnica de Catalunya, 2015-09-14)
    Bachelor thesis
    Open Access
    The aim of this work is to undertake three-dimensional simulation of a compression stage of a jet engine axial compressor in order to study the air flow, assess blade performance at various working conditions, and validate ...
  • Active Aerodynamics applied on the Arcfox-GT Supercar 

    Gil Esteller, Enric (Universitat Politècnica de Catalunya, 2019-07-23)
    Bachelor thesis
    Restricted access - author's decision
    In this project an aerodynamic study is developed on a supercar, integrating different aerodynamic elements from the active aerodynamics. The model where this innovating technology is applied is the ArcFox-GT, a Chinese ...
  • Active flow control on cambered airfoils at ultralow Reynolds using synthetic jets 

    Valdepeñas Pujol, Pau (Universitat Politècnica de Catalunya, 2017-09-21)
    Bachelor thesis
    Open Access
    Active flow control methods have been widely studied for more than a decade in order to improve the airfoil's efficiency. This study is focused on fluidic actuation (the addition or subtraction of momentum to/from the ...
  • Aerodynamic analysis of the lift reducer device by flow transfer 

    Font Prats, Pau (Universitat Politècnica de Catalunya, 2013-03-08)
    Bachelor thesis
    Open Access
    From the beginnings of aviation and aeronautical world in general, it has searched the goal of creating a machine capable of taking off in a controlled way trying to achieve the highest operational aircraft. Always looking ...
  • Aerodynamic performance of a paraglider wing 

    Moreno Colilles, Joan Marc (Universitat Politècnica de Catalunya, 2017-10-30)
    Bachelor thesis
    Open Access
    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 ...
  • Análisis de estabilidad Arnoldi de las ondas de Tollmien-Schlichting en fluidos viscosos 

    Montañez Fabrés, Raquel (Universitat Politècnica de Catalunya, 2017-07)
    Bachelor thesis
    Open Access
    En este trabajo se estudia la estabilidad de las ondas Tollmien-Schlichting, que aparecen como una primera fase de la inestabilidad del flujo de Poiseuille plano como paso de laminar a turbulento. Se calcula la curva de ...
  • Análisis del flujo de aire a través de un difusor de automóvil 

    Saban Fosch, Alejandro (Universitat Politècnica de Catalunya, 2018-09-14)
    Bachelor thesis
    Open Access
    The aim of this study was to optimise a car diffuser in order to reduce fuel consumption and improve grip performance in bends, thus achieving a higher cornering speed. The optimisation has been carried out using the ...
  • Characterization of localized solutions of plane Poiseuille flow in very long domains 

    Valera Pascual, Antonio (Universitat Politècnica de Catalunya, 2016-05-24)
    Bachelor thesis
    Open Access
    The aim of this Bachelor's Thesis is the study of a particular low-energy localized plane Poiseuille solution while minimizing the error introduced by the streamwise periodicity boundary condition. The fact that the ...
  • Design of a hypersonic airbreathing cruise missile 

    Graells Pina, Eduard (Universitat Politècnica de Catalunya, 2019-09-02)
    Bachelor thesis
    Open Access
    In this project, a hypersonic airbreathing cruise missile is designed through an optimization process. The main use of this futuristic weapon technology is to be employed against enemy ships while being launched from an ...
  • Estudio de la aerodinámica de un coche de GT mediante CFD 

    Alarcón Vilardell, David (Universitat Politècnica de Catalunya, 2008-03-17)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    Este Trabajo ha consistido en hacer un estudio de simulación en dinámica de fluidos computacional (del ingles computational fluid dynamics, CFD) de un coche de carreras de Gran turismo (GT) con la finalidad de ver si ...
  • Fluidic active flow control of boundary layer separation on supercritical airfoil 

    Jurado Chillida, Jordi (Universitat Politècnica de Catalunya, 2019-07-15)
    Bachelor thesis
    Open Access
    Presently, during critical phases of flight like takeoff, landing or approach, aircrafts need systems as flaps or slats that helps them to improve lift. Those, hydraulic or mechanical, are deployed during these phases in ...
  • Fluidic oscillators: decoupling amplitude and frequency 

    Calderón Usán, Aleix (Universitat Politècnica de Catalunya, 2018-09-14)
    Master thesis
    Open Access
    The purpose of this thesis is to find a way to decouple the amplitude and the frequency of the oscillatory jet in the output of a fluidic oscillator by modifying a geometrical parameter and the Reynolds number, with the ...
  • Gas turbine design & analysis tool: ducting components 

    Vilella Moreno, Ferran (Universitat Politècnica de Catalunya, 2012-07-16)
    Bachelor thesis
    Open Access
    Aquest projecte tracta de la modelització dels diferents components dels motors de turbines de gas per la posterior programació i simulació numèrica. Alhora, aquest forma part d‟un projecte més gran, l‟objectiu del qual ...
  • Gas turbine design & analysis tool: heat transfer components 

    Vigo Medina, Jose (Universitat Politècnica de Catalunya, 2012-07-16)
    Bachelor thesis
    Open Access
    English:This work aims the modeling of different components that are part of or related to the transfer of heat (contribution, exchange or removal) from a gas turbine. All these modules have been developed in steps from ...
  • Gas Turbine Design & Analysis Tool: Turbomachinery Components. 

    Garcia Soto, David (Universitat Politècnica de Catalunya, 2012-07-16)
    Bachelor thesis
    Open Access
    Este proyecto se centra en la creación de un programa el cual ha de ser una herramienta de ayuda en el diseño y simulación de aplicaciones de motores de turbina de gas, permitiendo al usuario realizar los cálculos necesarios ...
  • Hysteretical behaviour of a NACA 0012 airfoil at ultralow Reynolds upon variation of the angle of attack 

    Bergillo Cortes, Jordi (Universitat Politècnica de Catalunya, 2017-10-30)
    Bachelor thesis
    Open Access
    Reynolds's low numbers studies are necessary to understand the physics surrounding aerodynamics in larger Reynolds numbers where the phenomena they appear are becoming increasingly complex and it is very necessary to use ...
  • Instability mechanisms of fluidic oscillators 

    Suárez Martínez, Guillermo (Universitat Politècnica de Catalunya, 2017-09-15)
    Bachelor thesis
    Open Access
    In this work, direct numerical simulation of the Navier-Stokes equations governing incom- pressible fluid flow has been employed to analyze the various flow topologies observed in a two-dimensional fluidic oscillator at ...
  • Modular numerical tool for gas turbine simulation 

    Sampedro Casis, Rodrigo (Universitat Politècnica de Catalunya, 2015-10-30)
    Bachelor thesis
    Open Access
    In this work a free tool for the simulation of turboprops was implemented, capable of simulating the various components of a jet engine, separately or in conjunction, with different degrees of thermodynamic modelling or ...
  • Multidisciplinary numerical analysis of detonation engines 

    Hernandez Castro, Francisco Javier (Universitat Politècnica de Catalunya, 2019-01-10)
    Master thesis
    Restricted access - author's decision
    Covenantee:  Von Karman Institute for Fluid dynamics
    The performance of pulse detonation engines (PDE) implies that they have to undergo very extreme cycles where the temperature may rise above 3000 K. The detonation principle, theoretically predicted by the ZND condition, ...
  • Numerical investigation of Active Flow Control applied to an airfoil leading edge 

    Samala, Bhanu Prakash Reddy (Universitat Politècnica de Catalunya, 2015-06-16)
    Master thesis
    Open Access
    Objectives: The major objective of the Master Thesis proposal is to perform 2D computational study and compare the enhancement in the global aerodynamic coefficients, mainly lift and drag coefficients, for cases of with ...