Now showing items 1-20 of 71

    • 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 ...
    • Active flow control optimization on Selig Donovan 7003 airfoil 

      Monshi Tousi, Navid (Universitat Politècnica de Catalunya, 2023-06-16)
      Doctoral thesis
      Open Access
      (English) The PhD focuses on the study of the flow around an airfoil at different Angles of Attack (AoA) with and without the implementation of Active Flow Control (AFC), while maintaining the Reynolds number constant at ...
    • 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 ...
    • Aerodynamic performance optimisation of an airfoil using with Synthetic Jets Actuation 

      Larruy Gilabert, Jordi (Universitat Politècnica de Catalunya, 2023-07-28)
      Bachelor thesis
      Open Access
      This Bsc thesis presents an analysis of the aerodynamics of the Eppler149 airfoil profile.The Eppler149 is a symmetrical airfoil specifically designed for low Reynolds numbers, making it suitable for small aircraft, drones, ...
    • Aerodynamic study and tail design of ONAerospace eVTOL aircraft 

      Echevarria Lorenzo, Gorka (Universitat Politècnica de Catalunya, 2023-10-31)
      Bachelor thesis
      Open Access
      EVTOLs (Electric Vertical Takeoff and Landing) are electric vehicles that, as their name suggests, can land and take off vertically, without the need for a runway like a conventional aircraft would. This innovative concept ...
    • Aircraft cabin layout check - Development of a tool for the adaptation of aircraft loading in case of shear exceedances 

      Biel Simón, Adrià (Universitat Politècnica de Catalunya, 2024-02-15)
      Bachelor thesis
      Restricted access - confidentiality agreement
      Airbus currently offers a wide range of cabin configurations, fuel tanks and cargo compartments for each of its aircraft models. All these configuration differences must be subjected to an amount of studies to ensure the ...
    • 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 ...
    • Analisis de sistemas de medición y diseño de soporte de modelo para un túnel de agua de tipo Rolling Hills 

      Coronel Gastiain, Andoni (Universitat Politècnica de Catalunya, 2023-07-28)
      Bachelor thesis
      Open Access
      The main objective of this work is the design of the model support and the analysis of a measurement system for the low Reynolds number Rolling Hills type water tunnel of the Castelldefels School of Telecommunication and ...
    • 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 ...