Browsing by Subject "Computational fluid dynamics"

Now showing items 1-20 of 208

  • 3D modelling of transversal grates comparison of numerical result with experimental data 

    Paindelli, Andrea (Universitat Politècnica de Catalunya, 2017-06)
    Master thesis
    Restricted access - author's decision
    The full scale (1:1) test platform located at the UPC (Universitat Politècnica de Catalunya) allows us to reproduce the local runoff process and the study of inlet grates or other types of capture systems. Over the last ...

  • A 1D lumped-parameter/3D CFD approach for pressure drop in the aortic coarctation 

    Soudah Prieto, Eduardo; Bordoné, Maurizio; Dadvand, Pooyan; Rossi, Riccardo (Springer, 2012)
    Conference report
    Restricted access - publisher's policy
    Aortic Coarctation is a congenital constriction of the aorta that increases blood pressure above the constriction and hinders the flow below it. Based on a 3D surface mesh of a moderate thoracic coarctation, a high quality ...

  • A 3D CFD numerical study of the bubble generation process into a bubble Tjunction generator and its comparison with experimental data: Part I 

    Arias Calderón, Santiago; Villardi de Montlaur, Adeline de (2016)
    Conference report
    Open Access
    This work presents a 3D numerical study of the bubble generation process into a bubble generator obtained with the commercial Computational Fluid Dynamics solver ANSYS Fluent v15.0.7, and its comparison with experimental ...

  • A 3D CFD numerical study of the bubble generation process into a bubble Tjunction generator and its comparison with experimental data: Part II 

    Arias Calderón, Santiago; Villardi de Montlaur, Adeline de (2016)
    Conference report
    Open Access
    This work is a continuation of the 3D numerical study of the bubble generation process into a T-junction bubble generator (1 mm of internal diameter) obtained with the commercial Computational Fluid Dynamics solver ANSYS ...

  • A 3D numerical study of the bubble generation process into a bubble T-junction generator and its comparison with experimental data: part I 

    Arias Calderón, Santiago; Villardi de Montlaur, Adeline de (2016)
    Conference report
    Open Access
    This work presents a 3D numerical study of the bubble generation process into a bubble generator obtained with the commercial Computational Fluid Dynamics solver ANSYS Fluent v15.0.7, and its comparison with experimental ...

  • A Chimera method for the incompressible Navier-Stokes equations 

    Houzeaux, Guillaume; Eguzkitza, B.; Aubry, Romain; Owen, H.; Vázquez Arenas, M. Benita (2014-05-30)
    Article
    Restricted access - publisher's policy
    The Chimera method was developed three decades ago as a meshing simplification tool. Different components are meshed independently and then glued together using a domain decomposition technique to couple the equations ...

  • Aerodynamical study of a photovoltaic solar tracker 

    Gutiérrez Castillo, José Leonardo (Universitat Politècnica de Catalunya, 2016-04-29)
    Bachelor thesis
    Open Access
    State of the art. Literature review about CFD applied to solar panels. Analytic approach of the problem. Application of CFD analysis. Validation of the results. Discussion of the results. Improvements proposal.

  • Aerodynamic performance of the rear spoiler of a Formula Renault V3.5 2007 

    Pla Navarro, Roger (Universitat Politècnica de Catalunya, 2011-04-13)
    Bachelor thesis
    Restricted access - author's decision
    L’objectiu d’aquest projecte és simular el comportament de l’aleró posterior d’un cotxe de competició de les World Series by Renault 3.5 a mesura que es mou per l’aire. Per tant, s’estudiaran les diverses forces ...

  • A load balancing method for parallel genetic CFD optimizations 

    Aizpurua Udabe, Imanol; Lehmkuhl Barba, Oriol; Borrell Pol, Ricard; Pérez Segarra, Carlos David; Oliva Llena, Asensio (2015)
    Conference report
    Restricted access - publisher's policy
    CFD optimizations are characterized by long and highly variable objective function evaluation times. The aim of this study is to improve the parallel performance using a new load balancing master-worker parallelization ...

  • A multi-method approach towards understanding the pathophysiology of aortic dissections – the complementary role of in-silico, in-vitro and in-vivo information 

    Rudenick, Paula; Bordoné, Maurizio; Bijnens, Bart; Soudah Prieto, Eduardo; Oñate Ibáñez de Navarra, Eugenio; Garcia Dorado, Antonio David; Evangelista, A. (Springer, 2010)
    Part of book or chapter of book
    Restricted access - publisher's policy
    Management and follow-up of chronic aortic dissections continues to be a clinical challenge due to progressive aortic dilatation. To predict dilatation, guidelines suggest follow-up of the aortic diameter. However, dilatation ...

  • Anàlisi numèric mitjançant OpenFOAM d’un tractament tèrmic 

    Martinez Miguel, Sergi (Universitat Politècnica de Catalunya, 2015-10)
    Master thesis (pre-Bologna period)
    Open Access
    Aquest treball pretén aprofundir en l’ús del programari lliure OpenFOAM com a eina útil i versàtil de simulació per Dinàmica de Fluids Computacional; tot centrant-se en l’àmbit de la transferència de calor i les diferents ...

  • Análisis CFD aerodinámico de “JukeNismo” con recursos de MareNostrum y CSUC. Diseño de alerón trasero para las "24SERIES" 

    de Bergua Domingo, Xavier (Universitat Politècnica de Catalunya, 2015-10)
    Master thesis (pre-Bologna period)
    Open Access
    El análisis computacional de fluidos (CFD) es un recurso muy valioso para muchas vertientes de la Ingeniería moderna. En este proyecto se aprovecha el Supercomputador MareNostrum, entre otros medios, para realizar dicho ...

  • Analysis of low temperature carbon dioxide capture in a supersonic nozzle 

    Hernandez Nogales, Álvaro (Universitat Politècnica de Catalunya / Technishe Universität München, 2011)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    Most energy scenarios suggest carbon capture and storage (CCS) from power generation might contribute to achieve the carbon emissions reduction necessary to stabilize the long-term global average atmospheric temperature. ...

  • An analysis of the aerodynamic performances of an ancient Spanish windmill 

    Sanchez Gil, Eva (Universitat Politècnica de Catalunya, 2014-07-11)
    Bachelor thesis
    Restricted access - author's decision
    The windmill generates power by extracting part of the kinetic energy of the wind, and it was aimed to satisfy the basic needs on XVIII and XIX century in Southern Spain. Wind power has been used as long as humans have put ...

  • A new statistical model for subgrid dispersion in large eddy simulations of particle-laden flows 

    Muela Castro, Jordi; Lehmkuhl Barba, Oriol; Pérez Segarra, Carlos David; Oliva Llena, Asensio (Institute of Physics (IOP), 2016)
    Conference report
    Open Access
    Dispersed multiphase turbulent flows are present in many industrial and commercial applications like internal combustion engines, turbofans, dispersion of contaminants, steam turbines, etc. Therefore, there is a clear interest ...

  • An OpenCL-based parallel CFD code for simulations on hybrid systems with massively-parallel accelerators 

    Gorobets, Andrei; Trias Miquel, Francesc Xavier; Oliva Llena, Asensio (Elsevier, 2013)
    Conference report
    Open Access
    A parallel finite-volume CFD algorithm for modeling of incompressible flows on hybrid supercomputers is presented. It is based on a symmetry-preserving high-order numerical scheme for structured meshes. A multilevel ...

  • A numerical strategy to compute optical parameters in turbulent flow: application to telescopes 

    Codina, Ramon; Baiges Aznar, Joan; Pérez Sánchez, Daniel; Collados, Manuel (2008-07-29)
    Article
    Open Access
    We present a numerical formulation to compute optical parameters in a turbulent air flow. The basic numerical formulation is a large eddy simulation (LES) of the incompressible Navier-Stokes equations, which are approximated ...

  • An unstructured CFD approach for numerical weather prediction 

    Aubry, Romain; Vázquez, Mariano; Houzeaux, Guillaume; Cela Espín, José M.; Marras, Simone (2010)
    Conference report
    Restricted access - publisher's policy
    The aim of this paper is twofold. First, it is difficult for a newcomer in the Numerical Weather Prediction (NWP) community to find similarities with Computational Fluid Dynamics (CFD) techniques as far as the numerical ...

  • A Parallel CFD Model for Wind Farms 

    Avila, Matías; Folch, Arnau; Houzeaux, Guillaume; Eguzkitza, Beatriz; Prieto, Luis; Cabezón, Daniel (Elsevier, 2013-06-01)
    Article
    Open Access
    We present a Computational Fluid Dynamics (CFD) modeling strategy for onshore wind farms aimed at predicting and opti- mizing the production of farms using a CFD model that includes meteorological data assimilation, complex ...

  • A parallel three-dimensional radial basis function interpolation method for unstructured dynamic meshes 

    Estruch Pérez, Olga; Lehmkuhl Barba, Oriol; Borrell Pol, Ricard; Pérez Segarra, Carlos David (2011)
    Conference lecture
    Open Access
    A radial basis function (RBF) interpolation method is implemented to be applied in computational fluid dynamics (CFD) problems with dynamic meshes. It is compared with the classic springs analogy smoothing, focusing on the ...