Enviaments recents

  • Cities and quality of life. Quantitative modeling of the emergence of the happiness field in urban studies 

    Papachristou, Ioanna Anna; Rosas Casals, Martí (2018-12-05)
    Article
    Accés restringit per política de l'editorial
    Where we live affects all aspects of our life and thus our happiness. In recent years, and now for more than half of the population of the Earth, our place of residence or activity has been increasingly transformed into ...
  • Flow over a realistic car model: wall modeled large eddy simulations assessment and unsteady effects 

    Aljure Osorio, David E.; Calafell Sandiumenge, Joan; Baez Vidal, Aleix; Oliva Llena, Asensio (2018-03-01)
    Article
    Accés restringit per política de l'editorial
    Numerical simulations are carried out on the flow over a realistic generic car geometry, the DrivAer-fastback car model. Pure large eddy simulations (LES) and wall-modeled large eddy simulations (WMLES) are used and compared ...
  • Application of the 2D depth-averaged model, FLATModel, to pumiceous debris flows in the Amalfi Coast 

    Papa, Maria Nicolina; Sarno, Luca; Vitiello, Francesco Saverio; Medina Iglesias, Vicente César de (2018-08-29)
    Article
    Accés obert
    Few studies about modelling pumice debris flows are available in literature. An integrated approach based on field surveys and numerical modelling is here proposed. A pumiceous debris flow, which occurred in the Amalfi ...
  • A generalized computational model for the simulation of adsorption packed bed reactors – Parametric study of five reactor geometries for cooling applications 

    Papakokkinos, Giorgos; Castro González, Jesús; Lopez, Joan; Oliva Llena, Asensio (2019-02-01)
    Article
    Accés restringit per política de l'editorial
    Environmental concerns regarding global warming and ozone depletion urge towards sustainable solutions for satisfying the increasing cooling demand. Adsorption cooling technology could form part of the solution since it ...
  • A numerical study of liquid atomization regimes by means of conservative level-set simulations 

    Schillaci, Eugenio; Antepara Zambrano, Óscar; Balcazar, Nestor; Rigola Serrano, Joaquim; Oliva Llena, Asensio (Elsevier, 2019-01-30)
    Article
    Accés restringit per política de l'editorial
    In this work, a conservative level-set finite-volume solver for interface-capturing is employed to perform the direct numerical simulation of Liquid Jets discharging into a quiescent air chamber. The scope is to propose a ...
  • Numerical study of heat transfer from a synthetic impinging jet with a detailed model of the actuator membrane 

    Miró, Arnau; Soria Guerrero, Manel; Cajas García, Juan Carlos; Rodríguez Pérez, Ivette María (2019-02-02)
    Article
    Accés restringit per política de l'editorial
    Synthetic jets are produced by the oscillatory movement of a membrane inside a cavity, causing the fluid to enter and leave through a small orifice. The present study is focused on investigating the cooling capabilities ...
  • Portable implementation model for CFD simulations. Application to hybrid CPU/GPU supercomputers 

    Oyarzun Altamirano, Guillermo; Borrell Pol, Ricard; Gorobets, Andrei; Oliva Llena, Asensio (Taylor & Francis, 2017-10-27)
    Article
    Accés obert
    Nowadays, high performance computing (HPC) systems experience a disruptive moment with a variety of novel architectures and frameworks, without any clarity of which one is going to prevail. In this context, the portability ...
  • Efficient CFD code implementation for the ARM-based Mont-Blanc architecture 

    Oyarzun Altamirano, Guillermo; Borrell Pol, Ricard; Gorobets, Andrei; Mantovani, Filippo; Oliva Llena, Asensio (Elsevier, 2017-09-20)
    Article
    Accés obert
    Since 2011, the European project Mont-Blanc has been focused on enabling ARM-based technology for HPC, developing both hardware platforms and system software. The latest Mont-Blanc prototypes use system-on-chip (SoC) devices ...
  • A priori study of subgrid-scale features in turbulent Rayleigh-Bénard convection 

    Dabbagh, Firas; Trias Miquel, Francesc Xavier; Gorobets, Andrei; Oliva Llena, Asensio (2017-10-06)
    Article
    Accés obert
    At the crossroad between flow topology analysis and turbulence modeling, a priori studies are a reliable tool to understand the underlying physics of the subgrid-scale (SGS) motions in turbulent flows. In this paper, ...
  • Time-temperature-transformation (TTT) diagram of a dual-curable off-stoichiometric epoxy-amine system with latent reactivity 

    Areny, Núria; Konuray, Ali Osman; Fernández Francos, Xavier; Salla Tarragó, José María; Morancho Llena, José María; Ramis Juan, Xavier (2018-08-10)
    Article
    Accés restringit per política de l'editorial
    The time-temperature-transformation (TTT) diagram of the curing an off-stoichiometric amine-epoxy formulation with intermediate latent reactivity has been elaborated. The first curing stage is an epoxy-amine polycondensation ...
  • Motion control in free-standing shape-memory actuators 

    Belmonte Parra, Alberto; Lama, Giuseppe C.; Cerruti, Pierfrancesco; Fernández Francos, Xavier; de la Flor López, Sílvia (2018-07-01)
    Article
    Accés restringit per política de l'editorial
    In this work, free-standing shape-memory thermally triggered actuators are developed by laminating 'thiol-epoxy'-based glassy thermoset (GT) and stretched liquid-crystalline network (LCN) films. A sequential curing process ...
  • A finite volume method to solve the frost growth using dynamic meshes 

    Bartrons Casademont, Eduard; Oliet Casasayas, Carles; Gutiérrez Álvarez, Enrique; Naseri, Alireza; Pérez Segarra, Carlos David (2018-09-01)
    Article
    Accés restringit per política de l'editorial
    The physical mechanisms of frost formation have been widely studied, yet much empirism is still needed in numerical approaches. Indeed, accurate simulations of frost growth can be reached by setting up a specific combination ...

Mostra'n més