Enviaments recents

  • Regional aerosol deposition in the human airways: the SimInhale benchmark case and a critical assessment of in silico methods 

    Koullapis, P.; Kassinos, S.C.; Muela Castro, Jordi; Pérez Segarra, Carlos David; Rigola Serrano, Joaquim; Lehmkuhl, Oriol; Cui, Y.; Sommerfeld, M.; Elcner, J.; Jicha, M.; Saveljic, I.; Filipovic, N.; Lizal, F.; Nicolaou, L. (2017-09-07)
    Article
    Accés restringit per política de l'editorial
    Regional deposition effects are important in the pulmonary delivery of drugs intended for the topical treatment of respiratory ailments. They also play a critical role in the systemic delivery of drugs with limited lung ...
  • Transdisciplinarity in higher education for sustainability: how discourses are approached in engineering education 

    Tejedor Papell, Gemma; Segalàs Coral, Jorge; Rosas Casals, Martí (2017)
    Article
    Accés obert
    Sustainability issues, as unwanted results of not fully respecting natural cycles, are widely recognized as wicked problems, which should not be thought of as problems to be solved, but rather as “conditions” to be managed, ...
  • Numerical study of an impulse wave generated by a sliding mass 

    Schillaci, Eugenio; Favre Samarra, Federico; Antepara Zambrano, Óscar; Balcazar, Nestor; Oliva Llena, Asensio (WIT Press, 2018)
    Article
    Accés obert
    In this work, a numerical framework for the direct numerical simulation of tsunami waves generated by landslide events is proposed. The method, implemented on the TermoFluids numerical platform, adopts a free surface model ...
  • Numerical simulation of turbulence at lower costs: regularization modeling 

    Trias Miquel, Francesc Xavier; Gorobets, Andrei; Soria Guerrero, Manel; Oliva Llena, Asensio (2011)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    This work is devoted to the development of efficient methods for the numerical simulation of incompressible flows on modern supercomputers. Direct simulation of the Navier-Stokes equations is nowadays an essential tool ...
  • Numerical resolution in a PCM accumulator in cryogenic conditions 

    Morales Ruíz, Sergio; Rigola Serrano, Joaquim; Castro González, Jesús; Oliva Llena, Asensio (2011)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    A numerical study of the thermal and fluid-dynamic behaviour of the two-phase flow inside ducts working under cryogenic conditions, coupled with the analysis of a phase change material PCM accumulator is presented. The ...
  • Simulaton of absorption of H2O in falling film of LiBr aqueous in vertical tubes in wavy regime 

    García-Rivera, Eduardo; Castro González, Jesús; Farnós Baulenas, Joan; Oliva Llena, Asensio (2011)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    A mathematical model of falling film absorption of H2O by LiBr aqueous solutions which considers wavy regimes has been implemented. The model is semi-empirical, based on Navier Stokes equations together with energy and ...
  • Coupling CFD models of airflow with building simulation with an object-oriented and parallel infrastructure 

    Damle, Rashmin; Lehmkuhl Barba, Oriol; Rodríguez Pérez, Ivette María; Oliva Llena, Asensio (2012)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Integrating CFD & HT models with the general building program raises the computational time of building simulations as these simulations are usually performed over a period of one year. Within this context, our aim is ...
  • Study of turbulent natural convection in a tall differentially heated cavity filled with either non-participating, participating grey and participating semigrey media 

    Capdevila Paramio, Roser; Lehmkuhl Barba, Oriol; Colomer Rey, Guillem; Pérez Segarra, Carlos David (Université de Poitiers, 2012)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Turbulent natural couvection in a tall differentially heated cavity of aspect ratio 5:1, filled with air under a Rayleigh number based on the height of 4.5.10(10), is studied numerically. Three different situations have ...
  • Numerical solutions for the fluid flow and the heat transfer of viscoplastic-type non-Newtonian fluids 

    Carmona Muñoz, Ángel; Pérez Segarra, Carlos David; Lehmkuhl Barba, Oriol; Oliva Llena, Asensio (Université de Poitiers, 2012)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The aim of this work is to provide numerical solutions for the fluid flow and the heat transfer generated in closed systems containing viscoplastic-type non-Newtonian fluids. A lid driven cavity (LDC) and a differentially ...
  • Three dimensional numerical simulations of combined conduction and radiation in transparent insulation material 

    Kessentini, Hamdi; Capdevila Paramio, Roser; Castro González, Jesús; Oliva Llena, Asensio (2012)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    A coupled radiative and conductive three dimensional numerical model of transparent insulation material (TIM) is presented and the simulation results are compared with experimental results found in the literature. Since ...
  • Low Mach Navier-Stokes equations on unstructured meshes 

    Ventosa Molina, Jordi; Chiva Segura, Jorge; Lehmkuhl Barba, Oriol; Pérez Segarra, Carlos David; Oliva Llena, Asensio (2012)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Numerical methods for fluxes with strong density variations but with speeds much lower than the sound speed, known as low Mach flows, present some particularities with respect to incompressible formulations. Despite ...
  • Detailed numerical model for the receiver of a solar power tower plant 

    Chiva Segura, Jorge; Lehmkuhl Barba, Oriol; Oliva Llena, Asensio (2012)
    Memòria / Número de revista
    Accés restringit per política de l'editorial
    In this paper, a numerical model for the simulation of the receiver of a solar power tower plant is presented. This global model is composed of 4 specific sub-models (heat conduction, two-phase, thermal radiation and natural ...

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