Computational modeling of adsorption packed bed reactors and solar-driven adsorption cooling systems 

    Papakokkinos, Giorgos (Date of defense: 2021-05-03)

    Environmental concerns regarding climate change and ozone depletion urge for a paradigm shift in the cooling production. The cooling demand exhibits an alarmingly increasing trend, thus its satisfaction in a sustainable ...

    Curat tèrmic i fotocurat de resines epoxi per al control químic de la contracció i millora de la degradabilitat 

    Fernández Francos, Xavier (Date of defense: 2009-07-10)

    S’ha estudiat la copolimerització de resines epoxi amb una spirobislactona com a comonòmer per tal de controlar la contracció química durant el curat i millorar la seva degradabilitat per tal d’afavorir la seva recuperació ...

    Developing numerical methods for fully-coupled nonlinear fluid-structure interaction problems 

    Naseri, Alireza (Date of defense: 2019-07-22)

    This thesis is dedicated to developing numerical methods to solve fluid-structure interaction (FSI) problems. FSI features in a vast range of physical systems and has a wide application in engineering. The work of this ...

    Development of a finite volume method for elastic materials and fluid-solid coupled applications 

    González Acedo, Ignacio (Date of defense: 2019-04-12)

    This thesis presents the development of a parallel finite volume numerical method to analyse thermoelastic and hyperelastic materials and applied problems with mutual interaction between a fluid and a structure. The ...

    Development of CFD-based multi-fidelity surrogate models for indoor environmental applications 

    Morozova, Nina (Date of defense: 2022-06-20)

    This 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 experimental and numerical infrastructures for the study of compact heat exchangers and liquid overfeed refrigeration systems 

    Danov, Stoyan Viktorov (Date of defense: 2005-11-07)

    Se ha desarrollado y construido una infraestructura experimental orientada a la validación de modelos de intercambiadores compactos de aletas y tubos y sistemas de refrigeración con sobrealimentación de líquido. El objetivo ...

    Development of linear solvers for large-scale CFD simulations on hybrid supercomputers 

    Alsalti Baldellou, Àdel (Date of defense: 2023-12-18)

    (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 numerical codes for the evaluation of combustion processes. Detailed numerical simulations of laminar flames 

    Cònsul Serracanta, Ricard (Date of defense: 2002-09-27)

    Deep knowledge of combustion phenomenon is of great scientific and technological interest due to its presence in a wide range of industrial processes and equipment. Being the most important worldwide energy support provided ...

    Directrices energéticas integrales en edificios de oficinas transparentes (TOBEE) 

    Pascual Pellicer, Jordi (Date of defense: 2016-01-14)

    The main objective of this Thesis is to determine the behaviour, the energetic and economic feasibility, and the comfort conditions in office buildings, specifically for solutions with high proportions of glazing on facades ...

    DNS of multiphase flows: study of atomization and free-surface phenomena 

    Schillaci, Eugenio (Date of defense: 2017-12-11)

    The present thesis focuses on the numerical analysis of some diverse physical set-up that involve the interaction of two -or three immiscible and incompressible phases. The simulations are carried out by means of finite-volume ...

    Efficient CAD based adjoint optimization of turbomachinery using adaptive shape parameterization 

    Sanchez Torreguitart, Ismael (Date of defense: 2019-05-23)

    The present thesis incorporates the CAD model into an adjoint-based optimization loop and uses it for the shape optimization of a 2D transonic turbine blade mid-section (profile). This is demonstrated by performing a single ...

    Efficient wall modeling for large eddy simulations of general non-equilibrium wall-bounded flows 

    Calafell Sandiumenge, Joan (Date of defense: 2019-07-05)

    The 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 ...

    Energy efficient ventilation strategies for surgery rooms 

    Cubí Montanyà, Eduard (Date of defense: 2014-12-19)

    Surgery rooms are a space type with particularly stringent indoor environmental quality (IEQ) requirements, which translate into high energy use. Due to the unclear IEQ and infection control requirements for surgery rooms ...

    Estudio de la eficiencia de sistemas químicos del curado de resinas de poliéster insaturado 

    Ramis Juan, Xavier (Date of defense: 1994-01-13)

    Se ha estudiado la eficiencia de diferentes sistemas de iniciación química y térmica del curado de resinas de poliéster insaturado. Mediante calorimetría diferencial de barrido (DSC), se ha curado isotérmicamente y ...

    Estudio del comportamiento térmico y dinámico de los amortiguadores para vehículos automóviles tipo turismo 

    Alonso Báez, Marcos (Date of defense: 2006-12-13)

    Se propone un modelo general de amortiguador hidráulico (monotubo y de doble tubo) para automóvil tipo turismo a partir de las propiedades físicas y geométricas de las partes que lo componen con el fin de predecir el ...

    Filtering in the numerical simulation of turbulent compressible flow with sysmmetry preserving discretizations 

    Baez Vidal, Aleix (Date of defense: 2019-01-10)

    The present thesis investigates how explicit filters can be useful in numerical simulations of turbulent, compressible flow with symmetry preserving discretizations. Such explicit filters provide stability to simulations ...

    Flow topology and small-scale dynamics in turbulent Rayleigh-Bénard convection 

    Dabbagh, Firas (Date of defense: 2017-09-06)

    Without 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 ...

    Heat transfer and fluid-dynamics in double and single skin facades 

    Faggembauu, Débora (Date of defense: 2006-12-19)

    Una proporción muy importante del presupuesto energético total de los países europeos es destinado al consumo energético del sector de la edificación, tanto en el ámbito doméstico como terciario. Debido a que esta tendencia ...

    Heterogeneous parallel algorithms for computational fluid dynamics on unstructured meshes 

    Oyarzún Altamirano, Guillermo Andrés (Date of defense: 2015-10-02)

    Frontiers of computational fluid dynamics (CFD) are constantly expanding and eagerly demanding more computational resources. Currently, we are experiencing an rapid evolution in the high performance computing systems driven ...

    High-order finite volume method for solid dynamics in fluid-structure interaction applications 

    Castrillo Green, Pablo (Date of defense: 2023-02-24)

    (English) This thesis aims at developing a high-order finite volume method for solid dynamics on unstructured three-dimensional meshes. The adoption of high-order interpolation methods has a key importance in the efficient ...