Browsing by Contributor "Mellibovsky Elstein, Fernando"

Now showing items 1-20 of 57

    • 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 ...

    • A study on the feasibility of a battery-based electric propulsion system for ONAerospace eVTOL 

      Bou Plaza, Carles (Universitat Politècnica de Catalunya, 2023-02-15)
      Bachelor thesis
      Open Access
      Covenantee:   ONAerospace
      The purpose of this project is to perform a study on the current and near-future feasibility of a battery system for commercial and regional aviation. Analysing the energy requirements of the ONA eVTOL and the different ...

    • 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 methods for aerodynamic applications 

      Sarwar, Wasim (Universitat Politècnica de Catalunya, 2020-07-17)
      Doctoral thesis
      Open Access
      The cylinder in cross flow has been the subject of many numerical and experimental studies since it provides a deep insight of the physical phenomena occurring in a wide range of flow regimes. Despite a number of investigations ...

    • Active flow control of flow past SD7003 airfoil with synthetic Jets at Re=60000 

      Muñoz Hoyos, Pedro (Universitat Politècnica de Catalunya, 2022-09-15)
      Bachelor thesis
      Open Access
      Active Flow Control (AFC) can improve markedly the aerodynamic capabilities of airfoils. Focusing on one of its strategies employing Synthetic Jet Actuators (SJA), the present bachelor thesis studied the performance of two ...

    • 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 ...

    • Airframe study and design for ONAerospace eVTOL 

      Pineda Sandia, Juan Pablo (Universitat Politècnica de Catalunya, 2023-02-14)
      Bachelor thesis
      Open Access
      Covenantee:   ONAerospace
      During the last decades, there has been an increasing demand for electric aviation from society due to the environmental and economic benefits it offers. New aircraft concepts have appeared such as the eVTOLs. These aircraft ...

    • 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 ...

    • Application of Active Flow Control on airfoils at ultralow Reynolds numbers 

      San Gabriel Romero, Carlos (Universitat Politècnica de Catalunya, 2019-10-29)
      Bachelor thesis
      Open Access
      In a previous research Active Flow Control techniques, such as sweeping jets, applied in an ultra-low Reynolds regime (Re=1000) were found effective to reattach an already separated flow achieving lift enhancements but ...

    • Application of active flow control to airfoils at ultralow Reynolds numbers 

      Hernández Font, Joan (Universitat Politècnica de Catalunya, 2021-07-26)
      Bachelor thesis
      Open Access
      Aeronautics industry experienced its greatest expansion in terms of technological development in the Second World War and Cold War periods. Since then, progress has been made over the avionics, the aerodynamics, the airspace ...

    • Bellmouth intake design for test rig airflow adaptation and air mass flow measurement of a microturbojet 

      Quispe Galindo, Álvaro Javier (Universitat Politècnica de Catalunya, 2021-01-29)
      Bachelor thesis
      Restricted access - author's decision
      A bellmouth intake to adapt the airflow into a micro turbojet (EvoJet170neo) during on ground rig testing has been designed and optimised through numerical simulation with OpenFOAM. The design that has been chosen for the ...

    • Cfd& aerodynamic development of the Baic ArcFox 7 

      Perez Prieto, Alejandro (Universitat Politècnica de Catalunya, 2022-10-14)
      Bachelor thesis
      Open Access
      Covenantee:   QEV Technologies
      This document contains the analysis and optimization at aerodynamic level of the exterior geometry of the prototype car model Arcfox 7 of the Chinese brand BAIC, fully developed by the automotive engineering company QEV ...

    • 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 ...

    • Coupling strategies for solving the RANS equations 

      Suárez Martínez, Guillermo (Universitat Politècnica de Catalunya, 2020-02-14)
      Master thesis
      Open Access
      Covenantee:   Deutsches Zentrum für Luft-und Raumfahrt
      For the present work two implicit methods of coupling the compressible Reynolds Averaged Navier-Stokes equations in conjunction with the one equation Spalart-Allmaras turbulence model have been developed. The first approach, ...

    • 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 ...

    • Diseño de un sistema de medición y visualización de un túnel de agua 

      Maldonado Lita, Welington Samir (Universitat Politècnica de Catalunya, 2021-10-28)
      Bachelor thesis
      Restricted access - author's decision
      The aeronautic and aerospace sector are in constant development, in which more and more progress is being made. This sectors¿ growth can be considered exponential, as it is bound to the new technologies, which in the last ...

    • Ducted fan propulsion system study for ONAerospace eVTOL 

      De Vehí Perich, Miquel Carlos (Universitat Politècnica de Catalunya, 2023-02-14)
      Bachelor thesis
      Open Access
      Covenantee:   ONAerospace
      In recent years, the relentless advance of climate change forces society to adapt to more sustainable modes of transportation. In a not so distant future, urban transport is envisioned to expand to the skies with new ...