Now showing items 106162-106181 of 194696

    • Investigation of the Ventilation System of the LHC Tunnel using CFD Techniques 

      Guasch López, Irene (Universitat Politècnica de Catalunya, 2008-11)
      Master thesis (pre-Bologna period)
      Open Access
      CERN és el Consell Europeu de la Investigació Nuclear. ÉS el laboratori més gran de física de partícules, on científics de tot el món estudien l'estructura de la matèria i les forces que la mantenen unida per aconseguir ...
    • Investigation of the viscoelastic flow behavior of polymer melts 

      Monserrate Sabadell, Víctor (2013-07)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      Covenantee:   Hochschule Darmstadt
      This bachelor thesis does a theoretic approach to the basics of Viscosity, Fluids, Plastics, Polymers, Rheology and Rheometry before explaining, defining and studying the results of the carried out measurement ...
    • Investigation of the wear of hard-metal drilling tools when drilling cast iron 

      Escursell Mor, Anna (Universitat Politècnica de Catalunya / Technishe Universität Darmstadt, 2009)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      Spheroidal cast iron still has a lot of applications; especially in the automotive industry. In this Master Thesis the wear of the drilling tools and its effect on the quality of the drilled holes is being studied. An ...
    • Investigation of the WindChill® PLM system 

      Rebenaque Laguna, Pol (Universitat Politècnica de Catalunya, 2012)
      Bachelor thesis
      Restricted access - author's decision
      This Master thesis contains the whole development process of a basic-intermediate product lifecycle management (PLM) course for university students. First, theory about PLM is introduced. Afterwards, all elements necessary ...
    • Investigation of tire-soil-interactions using the discrete-element-method 

      Zieher, Oliver; Meywerk, Martin (CIMNE, 2015)
      Conference report
      Open Access
      In this article a tyre is investigated which moves in lateral direction, i.e. perpendicular to its regular rolling direction, through sand, which is one representative of a deformable soil. This kind of motion could be a ...
    • Investigation of tunnel thruster performance and flow by quasi-steady and unsteady RANS simulations 

      Yu, Cheng; Yang, Chen-Jun (CIMNE, 2015)
      Conference report
      Open Access
      Two numerical models based on the solution of the RANS equations using the SST k-ω turbulence model have been employed to investigate the hydrodynamic performance and flow of tunnel thrusters. The flow passages ...
    • Investigation of vehicle technical parameters in built-up areas accidents 

      Cabezas Ibars, Ludovic (Universitat Politècnica de Catalunya / Kauno Technologijos Universitetas, 2013)
      Bachelor thesis
      Open Access
      Covenantee:   Kauno Technologijos universitetas
      This Master Thesis proposes to understand why Lithuania has one of the worst index of killed in traffic accidents in the European Union, especially pedestrians’ deaths. In order to this, the project compares statistics in ...
    • Investigation of viable strategies to maximize financial sustainability of microgrid projects in African rural areas 

      Candido, Luisa (Universitat Politècnica de Catalunya, 2017-06-15)
      Master thesis
      Restricted access - confidentiality agreement
    • Investigation on Corrosion Protection applying organic–inorganic sol–gel coatings on AA2024-T3 

      Velasques Ugarteche, Caroline (Universitat Politècnica de Catalunya, 2013-06)
      Bachelor thesis
      Open Access
      In order to prevent corrosion on aluminium and aluminium alloys, many surface treatments have been developed, such as silane films, which are environmentally compliant coatings. During this work we investigate corrosive ...
    • Investigation on Crosstalk in Multi-core Optical Fibers 

      Tapia Martinez, Ludwig Adolfo (Universitat Politècnica de Catalunya, 2015-09)
      Master thesis
      Open Access
      We start by describing what SDM is, the problem at hand for it’s been considered and the different solutions it can provide. We focus on Multi - Core Fibers (MCF) as the favorite solution re garding SDM and ...
    • Investigation on electromagnetic vibration energy harvesting in water distribution control valves 

      Ordóñez Izquierdo, Víctor Hugo; Arcos Villamarín, Robert; Romeu Garbí, Jordi; Josefsson, Andreas (2020)
      Article
      Open Access
      Control stations of a water distribution system monitor several variables such as the pressure, the flow, and the quality of water. For these monitoring tasks, wireless sensor networks with ultra-low power consumption ...
    • Investigation on experimental techniques for the mechanical characterization of brick masonry 

      Roca Fabregat, Pedro; Pelà, Luca (Universidad de Cantabria, 2020)
      Conference report
      Restricted access - publisher's policy
      One of the main difficulties found in the assessment and verification of masonry historical structures lays in the characterization of the main mechanical properties of the material components (units and mortar) and masonry ...
    • Investigation on limiting factors affecting Cu2ZnGeSe4 efficiency: Effect of annealing conditions and surface treatment 

      Sánchez González, Yudania; Andrade Arvizu, Jacob; Becerril Romero, Ignacio; Guc, Maxim; Giraldo, Sergio; Izquierdo Roca, Víctor; Saucedo Silva, Edgardo Ademar (2020-10-01)
      Article
      Restricted access - publisher's policy
      This work aims to unveil the optimal annealing conditions and surface treatments of CZGeSe absorbers, synthesized using vacuum-based deposition technique, with an eye to optimizing the main parameters allowing better control ...
    • Investigation on Nyquist Modulation and Multiplexing for Fiber-Optic Communications 

      Jubany Ticó, Marc (Universitat Politècnica de Catalunya, 2016-02)
      Bachelor thesis
      Open Access
      Nowadays, the society in which we live, the need to communicate increases every day; therefore, there is a need to improve both spectral efficiency and methods of transmitting data faster. This thesis analyses a new ...
    • Investigation on Nyquist Modulation for Fiber-Optic Communications 

      Casal Rodríguez, Jonathan (Universitat Politècnica de Catalunya, 2015-07)
      Bachelor thesis
      Restricted access - author's decision
      In a society where the need for communication is increasing every day, an improvement in spectral efficiency and faster data transmission methods are needed. This thesis analyses a new modulation, the Nyquist modulation, ...
    • Investigation on optical code division multiplex access (OCDMA) 

      Sanchez Pavo, Fco. Javier (Universitat Politècnica de Catalunya, 2008-11-27)
      Master thesis (pre-Bologna period)
      Open Access
      After successful application of CDMA techniques in wireless communications, optical CDMA has been considered as a candidate for future access networks. We will focus on passive optical networks (PONs) in particular. This ...
    • Investigation on PCE-based multi-domain optical networks 

      Moreno Puerto, Alfonso (Universitat Politècnica de Catalunya, 2011-06-20)
      Master thesis
      Open Access
      The last decade has seen many advances in high-speed networking technologies. However, many issues are still open for the development of next generation optical transport networks in order to optimize the resources; this ...
    • Investigation on repairs of aircraft composite structures made with various joining techniques 

      Pitta, Siddharth; Roure Fernández, Francisco; Crespo Artiaga, Daniel; Rojas Gregorio, José Ignacio (2018)
      Conference lecture
      Restricted access - publisher's policy
      In the race for developing aircraft with lighter airframe, aiming at increasing aircraft payload and/or fuel efficiency, the shift from conventional metal structures to light-weight composite structures has attracted ...
    • Investigation on texture evolution and recrystallization aspects of novel Mg–Zn–Gd–Y–Nd alloys 

      Abbasi, Zahra; Ebrahimi, Ramin; Cabrera Marrero, José M. (2020-05-11)
      Article
      Open Access
      Magnesium exhibits substantial property enhancement for a vast range of applications via alloying by rare earth elements (REs). The effect of different amounts of alloying elements (Zn and REs such as Gd, Y and Nd) on the ...
    • Investigation on the flow field in nano-separator considering a fluid-structure interaction 

      Fujita, Keisuke; Yamamoto, Makoto; Kitada, Hiroshi (CIMNE, 2013)
      Conference report
      Open Access
      Recently, in various areas, equipments to separate and classify nano-size particles are required. However, the production and collection of nano-particles are very difficult and cost consuming with current technologies. ...