Numerical simulation of the thermal and fluid dynamics behaviour of liquid-vapour two-phase flow in evaporators and condensers 

    Morales Ruiz, Sergio (Fecha de defensa: 2009-06-18)

    Un estudio numérico del comportamiento térmico y fluido-dinámico de flujos bifásicos, liquido-gas, en conductos es presentado. El análisis numérico es basado en dos diferentes modelos. El primer modelo es conocido como ...

    Numerical simulation of turbulent diffusion flames using flamelet models on unstructured meshes 

    Ventosa Molina, Jordi (Fecha de defensa: 2015-10-02)

    The present thesis aims at developing numerical methods and algorithms for the efficient simulation of diffusion flames in the flamelet regime. To tackle turbulent chemically reacting flows a double framework is used in ...

    Numerical Simulation of Turbulent Flows. Multiblock Techniques. Verification and Experimental Validation 

    Cadafalch Rabasa, Jordi (Fecha de defensa: 2002-09-27)

    Work here presented is the result of basic research in key aspects of the currently available engineering tools and methodologies for the design, optimisation and development of thermal systems and equipment: turbulence ...

    Numerical simulations of thermal storage systems : emphasis on latent energy storage using phase change materials (PCM) 

    Galione Klot, Pedro Andrés (Fecha de defensa: 2014-12-23)

    The present thesis aims at studying the use of phase change materials (PCM) in thermal energy storage (TES) applications and to develop and implement numerical tools for their evaluation. Numerical analysis is nowadays an ...

    Numerical solution of 3-D electromagnetic problems in exploration geophysics and its implementation on massively parallel computers 

    Koldan, Jelena (Fecha de defensa: 2013-10-30)

    The growing significance, technical development and employment of electromagnetic (EM) methods in exploration geophysics have led to the increasing need for reliable and fast techniques of interpretation of 3-D EM data ...

    Numerical study and experimental optimization of air curtains 

    Giráldez García, Héctor (Fecha de defensa: 2015-04-17)

    he main objective of the present thesis is to study and optimize the sealing efficiency of air curtains. Therefore, the phenomenology of the breakthrough and the parameters which affect it has been studied. However, ...

    Numerical study of hopf bifurcations in the two-dimensional plane poiseuille flow 

    Sánchez Casas, José Pablo (Fecha de defensa: 2002-11-28)

    In this work we try to analyse the dynamics of the Navier-Stokes equations in a problem without domain complexities as is the case of the plane Poiseuille flow. The Poiseuille problem is described as the flow of a viscous ...

    Numerical study of the non-Oberbeck-Boussinesq effects in turbulent water-filled cavities 

    Kizildag, Deniz (Fecha de defensa: 2016-02-08)

    The 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 ...

    Numerical techniques for non-linear analysis of structures combining discrete element and finite element methods 

    Santasusana Isach, Miquel (Fecha de defensa: 2016-12-01)

    This works encompasses a broad review of the basic aspects of the Discrete Element Method for its application to general granular material handling problems with special emphasis on the topics of particle-structure interaction ...

    Numerical tools for computational design of acoustic metamaterials 

    Roca Cazorla, David (Fecha de defensa: 2020-09-07)

    The notion of metamaterials as artificially engineered structures designed to obtain specific material properties, typically unachievable in naturally occurring materials, has captured the attention of the scientific and ...

    Nuovi interventi sul patrimonio archeologico: Un contributo alla definizione di un'etica del paesaggio = Nuevas intervenciones en el patrimonio arqueológico : una contribución a la definición de una ética del paisaje 

    Bagnato, Vincenzo Paolo (Fecha de defensa: 2014-05-30)

    The interest for archaeological ruins arises periodically ín the course of history and it expresses ít self through a continuous altemating of attitude towards the "ancient": approaching and moving away, memory and ...

    NURBS-Enhanced Finite Element Method (NEFEM) 

    Sevilla Cárdenas, Rubén (Fecha de defensa: 2009-07-24)

    Aquesta tesi proposa una millora del clàssic mètode dels elements finits (finite element method, FEM) per a un tractament eficient de dominis amb contorns corbs: el denominat NURBS-enhanced finite element method (NEFEM). ...

    Nutrient recovery from waste water treatment plant by sorption processes : technical and economic analysis 

    You Chen, Xialei (Fecha de defensa: 2018-11-29)

    In the last years has been performed a huge number of research related to nutrients (mainly N and P) recovery from waste water in order to promote their reuse and also to avoid eutrophication. Recovering nutrient from waste ...

    Oaxaca, de "ciudad intermedia" a metrópoli de Los Valles Centrales 

    Madrid Vázquez, Gustavo (Fecha de defensa: 2012-03-28)

    This thesis aims at observing the current situation of Oaxaca city, a medium-size urban area in the southwest of Mexico. After the industrial era, the globalization of economic and cultural issues in the information era ...

    Object manipulation based on tactile information 

    Montaño Sarria, Andrés Felipe (Fecha de defensa: 2021-03-18)

    In-hand dexterous manipulation of an object is the ability to change the configuration (position and/or orientation) of an object held in the hand. This is an ability that has allowed humans to use tools and interact with ...

    Obra americana de Josep Lluís Sert 

    Freixa Janariz, Jaume (Fecha de defensa: 1993-12-21)

    La hipótesis de este trabajo es que la obra americana del arquitecto Josep Lluis Sert (1902-1983) aparentemente homogénea, tiene tres etapas distintas, caracterizadas por la evolución de los intereses formales de su ...

    La obra de Xosé Bar Bóo : objetividad y dimensión colectiva 

    Blanco Granado, Jaime (Fecha de defensa: 2016-01-25)

    The study of Xosé Bar Bóo work (1922-1994), has started from two postulates that have become established by different authors: on the one hand, it is considered a paradigm of professional ethics and, on the other hand, the ...

    Obra seminal de Anne Griswold Tyng (1951-1953) y su relación con Louis Isadore Kahn : la búsqueda por integrar espacio y estructura a partir de la geometría de la materia 

    Villa Carrero, Juan Manuel (Fecha de defensa: 2021-01-08)

    The emergency of complex phenomena in our time has forced creators to reconnect knowledge in design, since at the moment, most of them have fragmentary and hyper specialized inertia. Due to this, nowadays, in architecture ...

    Observant els mapes i plànols : espai, elements i en la cartografia 

    Pié Ninot, Ricard, 1946- (Fecha de defensa: 1988-05-30)

    “Observant els mapes i plànols” es un trabajo de investigación sobre los principales documentos gráficos (publicados) de la cartografía mundial y sobre todo, de Catalunya y Barcelona, en el que se descubren y discuten ...

    Observation and interpretation of type IIB supernova explosions 

    Morales Garoffolo, Antonia (Fecha de defensa: 2016-03-08)

    Core-collapse supernovae (CC-SNe) explosions represent the final demise of massive stars. Among the various types, there is a group of relatively infrequent CC-SNe termed type IIb, which appear to be hybrids between normal ...