Browsing by Contributor "Trias Miquel, Francesc Xavier"
Now showing items 1-20 of 25
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Advanced study for the numerical resolution of the Navier-Stokes equations with observation of the thermal camber on high camber aerofoils in moderate reynolds number flow
(Universitat Politècnica de Catalunya, 2021-02-15)
Master thesis
Restricted access - author's decisionThrough the means of temperature variations of the aerofoil surface this report aimed to investigate and enhance the aerodynamic efficiency of micro air vehicles. Through the process of heating the lower edge of the aerofoil ... -
Development of CFD-based multi-fidelity surrogate models for indoor environmental applications
(Universitat Politècnica de Catalunya, 2022-06-20)
Doctoral thesis
Open AccessThis thesis presents a methodology for CFD-based multi-fidelity surrogate models for indoor environmental applications. The main idea of this work is to develop a model that has accuracy comparable to CFD simulations but ... -
Development of linear solvers for large-scale CFD simulations on hybrid supercomputers
(Universitat Politècnica de Catalunya, 2023-12-18)
Doctoral thesis
Restricted access - confidentiality agreement(English) Divergence constraints are present in the governing equations of many physical phenomena, and they usually lead to a Poisson equation whose solution is one of the most challenging parts of scientific simulation ... -
Development of software for the study of fluid dynamics. Aerodynamical applications
(Universitat Politècnica de Catalunya, 2014-09)
Master thesis (pre-Bologna period)
Open AccessCatalà: El present projecte te com a objectiu la creació d’un software propi, utilitzant el llenguatge de programació C++, que permeti resoldre les Equacions de Navier-Stokes de forma numèrica mitjançant la resolució per ... -
Efficient wall modeling for large eddy simulations of general non-equilibrium wall-bounded flows
(Universitat Politècnica de Catalunya, 2019-07-05)
Doctoral thesis
Open AccessThe main purpose of this thesis has been to contribute to the development of methodologies for wall modeling Large Eddy Simulations (LES) of wall-bounded flows, especially those at high Reynolds numbers. This flow configuration ... -
Estudio de fenómenos de transferencia de calor y dinámica de fluidos mediante los métodos de Lattice Boltzmann y volúmenes finitos
(Universitat Politècnica de Catalunya, 2012-09)
Master thesis (pre-Bologna period)
Open AccessEl trabajo se divide en tres partes fundamentales. En la primera parte (capítulo 1) se tratan las ecuaciones que rigen la dinámica de fluidos, que son las de Navier- Stokes. Se presentan las adimensionalizaciones de las ... -
Estudio para la resolución numérica de las ecuaciones de conservación de la masa, cantidad de movimiento y energía, aplicado a la influencia del confinamiento de un fluido en la aerodinámica de un cuerpo romo
(Universitat Politècnica de Catalunya, 2015-06)
Bachelor thesis
Open AccessEl objetivo principal del estudio desarrollado a lo largo de este trabajo es el de aprender a realizar y verificar códigos CFD (Computacional Fluid Dynamics) mediante el lenguaje C++, capaces de resolver y estudiar la ... -
Estudio para la resolución numérica de las ecuaciones de conservación de masa, cantidad de movimiento y energía para su aplicación en el estudio de la influencia del ángulo de ataque en la aerodinámica de un cilindro cuadrado
(Universitat Politècnica de Catalunya, 2015-06)
Bachelor thesis
Open AccessEl presente estudio tiene como objetivo el aprendizaje de las bases del estudio por métodos numéricos de las ecuaciones que gobiernan los procesos clásicos de la mecánica de fluidos y su aplicación en el desarrollo de ... -
Finite volume resolution of the mass, momentum and energy transport equations using the Fractional-Step Method
(Universitat Politècnica de Catalunya, 2020-09-28)
Master thesis
Open AccessThe present document is a study about the computational resolution of the fluid dynamics governing equations(CFD). Different cases are simulated thus reinforcing the knowledge about this topic from an academicstandpoint.The ... -
Flow topology and small-scale dynamics in turbulent Rayleigh-Bénard convection
(Universitat Politècnica de Catalunya, 2017-09-06)
Doctoral thesis
Open AccessWithout fluid turbulence, life might have rather different look. The atmosphere and oceans could nearly maintain a much larger temperature differences resulting in ultimate heating or cooling to the earth surface. The water ... -
A new grey area mitigation technique for DES : theory and assessment
(Universitat Politècnica de Catalunya, 2020-12-17)
Doctoral thesis
Open AccessThe use of hybrid RANS-LES methods has become widespread during the last decade, as an interesting approach for covering the gap between RANS and LES turbulence models in terms of both computational resources and degree ... -
Numerical investigation of particle-fluid interaction system based on discrete element method
(Universitat Politècnica de Catalunya, 2014-11-28)
Doctoral thesis
Open AccessThis thesis focuses on the numerical investigation of the particle-fluid systems based on the Discrete Element Method (DEM). The whole thesis consists of three parts, in each part we have coupled the DEM with different ... -
Numerical simulation of Newtonian/non-Newtonian multiphase flows : deformation and collision of droplets
(Universitat Politècnica de Catalunya, 2019-07-24)
Doctoral thesis
Open AccessThe complex nature of multiphase flows, particularly in the presence of non-Newtonian rheologies in the phases, limits the applicability of theoretical analysis of physical equations as well as setting up laboratory ... -
Numerical study of the non-Oberbeck-Boussinesq effects in turbulent water-filled cavities
(Universitat Politècnica de Catalunya, 2016-02-08)
Doctoral thesis
Open AccessThe work carried out in the framework of the present thesis aims at shedding light into the complex phenomena involved in turbulent water-filled cavities, questioning the validity of the well-established Oberbeck-Boussinesq ... -
Parametric study of thermal large eddy simulation (T-LES) models in turbulent anisothermal channel flow
(Universitat Politècnica de Catalunya, 2024-07-01)
Master thesis
Open AccessSolar tower technology offers a promising solution for harnessing solar radiation for power generation. Pressurized gas flows within solar receivers of solar towers are inherently highly turbulent and exhibit significant ... -
Study for the computational resolution of conservation equations of mass, momentum and energy. Numerical analysis and turbulence models
(Universitat Politècnica de Catalunya, 2023-07-13)
Bachelor thesis
Open Accesshis undergraduate thesis presents a study on the numerical solution of the Navier-Stokes equations under various assumptions. To achieve this, several codes have been developed in C++ language to evaluate and verify the ... -
Study for the numerical resolution of conservation equation of mass, momentum and energy to be applied on the aerodynamics of bluff bodies
(Universitat Politècnica de Catalunya, 2015-06)
Bachelor thesis
Open Access -
Study for the numerical resolution of conservation equations of mass, momentum and energy to be applied on buoyancy-driven flows in enclosed cavities
(Universitat Politècnica de Catalunya, 2015-07)
Bachelor thesis
Open AccessEl presente estudio introduce al lector en el campo de los intercambiadores de calor. Estos serán definidos y clasificados, presentando los tipos más comunes en el sector industrial y describiendo sus principios y ... -
Study for the numerical resolution of conservation equations of mass, momentum and energy to be applied on heating, ventilation and air-conditioning (HVAC)
(Universitat Politècnica de Catalunya, 2015)
Bachelor thesis
Open AccessThe study consist, as its name says, in the resolution of the Navier-Stokes equations applied to solving concrete engineering cases. Going into more detail, this study is divided in three basic parts. The first consist in ... -
Study for the numerical resolution of conservation equations of mass, momentum and energy to be applied on the aerodynamics of bluff bodies
(Universitat Politècnica de Catalunya, 2015-05-29)
Bachelor thesis
Restricted access - author's decision
