Study of the flow around a square cylinder with an upstream splitter plate 

    Elmansy, Reda Mohamed Yousyf Abdallah (Fecha de defensa: 2023-01-19)

    (English) This PhD mostly focuses in studding the flow around a square cylinder with an upstream splitter plate and considering different velocity ratios between the upper and lower inlet velocities. The PhD is based in ...

    Study of the meteorological mechanisms controlling levels and transport processes of airborne pollen in the atmosphere 

    Majeed, Husam Tareq (Fecha de defensa: 2018-10-05)

    Aerobiology is the science that focuses on the study of the airborne living organisms (bacteria, fungal spores, pollen, small insects, etc.). The influence of meteorology and climate change on plant phenology include shifts ...

    Study of the microstructure and mechanical properties of TWIP steels deformed by ECAP 

    Wang, Lei (Fecha de defensa: 2016-12-16)

    In the current thesis, two TWIP steels with different chemical composition were successfully subjected to Severe Plastic Deformation with Equal Channel Angular Pressing (ECAP) at warm temperature (300°C), using a die with ...

    Study of the monofilar suture based on the segmented copolymer GL-b-(GL-co-TMC-co-CL-)-b-GL thermal behavior, degradability and incorporation of active agents : polymers and biopolymers 

    Márquez Lobato, Yolanda (Fecha de defensa: 2016-11-18)

    Biomaterials based on block segmented copolymers constituted by hard and soft segments have attracted much attention for biomedical applications in the last decades, specifically as absorbable monofilament sutures. ...

    Study of the properties of modified cyclic butylene terephthalate and its composites 

    Abt, Tobias (Fecha de defensa: 2014-07-11)

    The thesis at hand deals with the modification of cyclic butylene terephthalate (CBT) with the aim to improve its final properties. CBT polymerizes in an entropically-driven ring-opening polymerization into polymerized CBT ...

    Study of the structural behavior of hybrid elements of carbon fiber reinforced polymer and concrete 

    Mahboob, Amir (Fecha de defensa: 2021-11-30)

    Creating sustainability and public infrastructure is a fairly recent subject the engineering community has been debating. Introducing new building materials or introducing new structural designs is a strategy for constructing ...

    Study of thermal transitions in polymers by a multifrequency modulated DSC technique 

    Fraga Rivas, Iria (Fecha de defensa: 2010-02-26)

    Differential Scanning Calorimetry (DSC) is one of the most widely used thermal analysis techniques for the study of transitions and relaxation processes in polymers and also in other materials. It measures the heat flow ...

    Study on adsorption behavior of rare earth elements onto magnetic nanocomposites of carboxymethyl chitosan, alginate and novel biodegradable polyamide 

    Javadian, Hamedreza (Fecha de defensa: 2020-07-16)

    Rare Earth Elements (REEs) are known as the remarkable components in many technologies that are driving the modern world. They are widely used in chemical engineering, permanent magnets, fluorescent lighting, sensors, cell ...

    Study on conduction mechanismes of mediun voltage cable XLPE insulation in the melting range of temperatures. 

    Orrit Prat, Jordi (Fecha de defensa: 2012-03-07)

    D’ençà que el polietilè reticulat (XLPE) es va començar a utilitzar com aïllament elèctric per cables de subministrament elèctric, s’han destinat molts esforços a l’estudi de les propietats dielèctriques del polietilè i ...

    Study on crystallinity, properties and degradability of poly-4-hidroxybutyrate and related polyesters 

    Keridou, Ina (Fecha de defensa: 2021-04-14)

    In the last decades, polymeric biomaterials, due to their advanced physical and mechanical properties, have been used in a vast variety of surgical and pharmaceutical applications. In this thesis, a study on crystallinity, ...

    Study on the shear and punching-shear strength of reinforced concrete slabs subjected to point loads and in-plane tensile forces 

    Fernández Sánchez, Pablo Gonzalo (Fecha de defensa: 2021-12-20)

    Reinforced concrete members, especially when subjected to concentrated loads, can fail in shear. This is an undesirable and brittle failure mode preventing the structure from deforming and reaching higher load levels. It ...

    Study, evaluation and contributions to new algorithms for the embedding problem in a network virtualization environment 

    Botero Vega, Juan Felipe (Fecha de defensa: 2013-06-21)

    Network virtualization is recognized as an enabling technology for the future Internet. It aims to overcome the resistance of the current Internet to architectural change and to enable a new business model decoupling the ...

    Subenfriadores criogénicos nitrógeno: aportación a la metodología para el diseño 

    Ruiz Mansilla, Rafael (Fecha de defensa: 1994-10-24)

    Se establece la metodología, incluyendo la formulación necesaria, para el diseño térmico de subenfriadores criogénicos n2(i)-n2(i), observando en todo momento criterios de optimización para con los diferentes parámetros y ...

    Subespacios hiperinvariantes y característicos : una aproximación geométrica 

    Montoro López, Ma. Eulàlia (Fecha de defensa: 2015-05-12)

    The aim of this thesis is to study the hyperinvariant and characteristic subspaces of a matrix, or equivalently, of an endomorphism of a finite dimensional vector space. We restrict ourselves to the case of matrices A with ...

    Subgrid scale stabilized finite elements for low speed flows 

    Príncipe, Ricardo Javier (Fecha de defensa: 2008-04-21)

    La descripción del flujo de fluidos involucra la solución de las ecuaciones de Navier-Stokes compresible, un problema muy complejo cuya estructura matemática no es del todo comprendida. Por lo tanto, mediante análisis ...

    Subirana : la conexión alemana del G.A.T.C.P.A.C. 

    Heredero Esteban, Javier (Fecha de defensa: 2016-01-21)

    La figura de Subirana ha ido siempre ligada al trio de Arquitectos que formó con Sert y Torres Clavé dentro del GATCPAC. Su nombre ha quedado ligado a obras tan importantes como el conjunto residencial de la Casa Bloc, al ...

    Subjective experience gathering techniques for interaction design: subjective psychological exploration techniques based in the constructivism paradigm for informational and inspirational purposes 

    Tomico Plasencia, Oscar (Fecha de defensa: 2007-06-26)

    El camp d'Experiència d'Usuari consta d'una àmplia gamma d'aspectes diferents sobre la interacció amb productes o serveis. L'experiència d'usuari difereix del paradigma objectiu basat en el rendiment, centrant-se en un ...

    Submerged vanes turbulence : experimental analysis 

    Hamad Mohamed, Khaled M. A. (Fecha de defensa: 2015-12-14)

    Experimental study was conducted to analyze the physical flow turbulence and sediment distribution with submerged vane. The objectives behind the investigation were verified and compare results with the Odgaard theory, ...

    Subset selection in signal processing using sparsity-inducing norms 

    Blanco Botana, Luis (Fecha de defensa: 2017-07-22)

    This dissertation deals with different subset selection problems in wireless communications systems. These type of problems have a combinatorial nature, which makes them computationally intractable for medium and large-scale ...

    Substitution of conventional pre-treatment units by membrane based processes in drinking water treatment 

    Ferrer Mallén, Olga (Fecha de defensa: 2015-12-22)

    This thesis focused on the feasibility of substituting, partially or totally, drinking water treatment plant (DWTP) conventional pre-treatment by membrane based units, in particular by ultrafiltration (UF). For such purpose, ...