Browsing by Contributor "Mellibovsky Elstein, Fernando"
Now showing items 1-20 of 34
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3D numerical simulation of a jet engine axial compression stage
(Universitat Politècnica de Catalunya, 2015-09-14)
Bachelor thesis
Open AccessThe 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
(Universitat Politècnica de Catalunya, 2019-07-23)
Bachelor thesis
Restricted access - author's decisionIn 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
(Universitat Politècnica de Catalunya, 2017-09-21)
Bachelor thesis
Open AccessActive 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
(Universitat Politècnica de Catalunya, 2013-03-08)
Bachelor thesis
Open AccessFrom 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
(Universitat Politècnica de Catalunya, 2017-10-30)
Bachelor thesis
Open AccessThe 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
(Universitat Politècnica de Catalunya, 2017-07)
Bachelor thesis
Open AccessEn 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
(Universitat Politècnica de Catalunya, 2018-09-14)
Bachelor thesis
Open AccessThe 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
(Universitat Politècnica de Catalunya, 2019-10-29)
Bachelor thesis
Open AccessIn 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 ... -
Characterization of localized solutions of plane Poiseuille flow in very long domains
(Universitat Politècnica de Catalunya, 2016-05-24)
Bachelor thesis
Open AccessThe 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
(Universitat Politècnica de Catalunya, 2020-02-14)
Master thesis
Open AccessFor 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
(Universitat Politècnica de Catalunya, 2019-09-02)
Bachelor thesis
Open AccessIn 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
(Universitat Politècnica de Catalunya, 2008-03-17)
Master thesis (pre-Bologna period)
Restricted access - author's decisionEste 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
(Universitat Politècnica de Catalunya, 2019-07-15)
Bachelor thesis
Open AccessPresently, 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
(Universitat Politècnica de Catalunya, 2018-09-14)
Master thesis
Open AccessThe 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
(Universitat Politècnica de Catalunya, 2012-07-16)
Bachelor thesis
Open AccessAquest 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
(Universitat Politècnica de Catalunya, 2012-07-16)
Bachelor thesis
Open AccessEnglish: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.
(Universitat Politècnica de Catalunya, 2012-07-16)
Bachelor thesis
Open AccessEste 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
(Universitat Politècnica de Catalunya, 2017-10-30)
Bachelor thesis
Open AccessReynolds'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
(Universitat Politècnica de Catalunya, 2017-09-15)
Bachelor thesis
Open AccessIn 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 ... -
Micro gas turbine intake design for test rig airflow adaptation and air mass flow measurement
(Universitat Politècnica de Catalunya, 2019-10-31)
Bachelor thesis
Open AccessThe objective of this work is the study and design of a bell mouth inlet duct. The project is divided in several phases: literature review, design with CAD tool, simulation with a CFD tool, location of probes and measuring ...
