Enviaments recents

  • Multiphysics simulation in buildings 

    Souaihi, Oussama (Universitat Politècnica de Catalunya, 2017-12-22)
    Tesi
    Accés obert
    Numerical simulation play an important role in the design, engineering, operation and management of buildings. It can help reducing energy consumption, improving indoor air quality and thermal comfort and provide quantitative ...
  • DNS of multiphase flows: study of atomization and free-surface phenomena 

    Schillaci, Eugenio (Universitat Politècnica de Catalunya, 2017-12-11)
    Tesi
    Accés obert
    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 ...
  • Flow topology and small-scale dynamics in turbulent Rayleigh-Bénard convection 

    Dabbagh, Firas (Universitat Politècnica de Catalunya, 2017-09-06)
    Tesi
    Accés obert
    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 ...
  • Aerodynamic analysis of complex geometries using CFD 

    Aljure Osorio, David Eduardo (Universitat Politècnica de Catalunya, 2017-06-02)
    Tesi
    Accés obert
    Aerodynamic analysis has become one of the most important tools in many engineering applications. In this sense, this thesis work is aimed at performing aerodynamic analysis of different geometries, expanding the available ...
  • Numerical simulation of flames using flamelet models 

    Ahmad, Shamshad (Universitat Politècnica de Catalunya, 2017-04-06)
    Tesi
    Accés obert
    The thesis topic is located in the domain of numerical simulation of laminar flames. The principal aim of the presented research is the study of numerical techniques for the multidimensional simulation of flames with low ...
  • Towards a virtual platform for aerodynamic design, performance assessment and optimization of horizontal axis wind turbines 

    Martínez Valdivieso, Daniel (Universitat Politècnica de Catalunya, 2017-03-31)
    Tesi
    Accés obert
    This thesis focuses on the study and improvement of the techniques involved on a virtual platform for the simulation of the Aerodynamics of Horizontal Axis Wind Turbines, with the ultimate objective of making Wind Energy ...
  • Parallel optimization algorithms for high performance computing : application to thermal systems 

    Aizpurua Udabe, Imanol (Universitat Politècnica de Catalunya, 2017-03-31)
    Tesi
    Accés obert
    The need of optimization is present in every field of engineering. Moreover, applications requiring a multidisciplinary approach in order to make a step forward are increasing. This leads to the need of solving complex ...
  • Real-time nonlinear model predictive control for thermal management in a plug-in hybrid electric vehicle 

    López Sanz, Jorge (Universitat Politècnica de Catalunya, 2016-07-01)
    Tesi
    Accés obert
    Several socioeconomic factors are leading governments to encourage electric powered vehicles. Currently, the bottleneck for electric vehicles mass production lies in the high voltage battery technology. One of the main ...
  • Numerical simulation of sensible and latent thermal energy storage systems 

    Torras Ortiz, Santiago (Universitat Politècnica de Catalunya, 2016-02-05)
    Tesi
    Accés obert
    El objetivo principal de esta tesis es la resolución numérica de problemas de transferencia de calor y dinámica de fluidos y su aplicación para el estudio del comportamiento transitorio de sistemas térmicos de acumulación ...
  • Parallel object-oriented algorithms for simulation of multiphysics : application to thermal systems 

    López Mas, Joan (Universitat Politècnica de Catalunya, 2016-02-05)
    Tesi
    Accés obert
    The present and the future expectation in parallel computing pose a new generational change in simulation and computing. Modern High Performance Computing (HPC) facilities have high computational power in terms of operations ...
  • Numerical study of the non-Oberbeck-Boussinesq effects in turbulent water-filled cavities 

    Kizildag, Deniz (Universitat Politècnica de Catalunya, 2016-02-08)
    Tesi
    Accés obert
    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 ...
  • Directrices energéticas integrales en edificios de oficinas transparentes (TOBEE) 

    Pascual Pellicer, Jordi (Universitat Politècnica de Catalunya, 2016-01-14)
    Tesi
    Accés obert
    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 ...

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