Now showing items 1-12 of 12

  • 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 ...
  • Comparative study of subfilter scalar dissipation rate and mixture fraction variance models 

    Ventosa Molina, Jordi; Lehmkuhl Barba, Oriol; Pérez Segarra, Carlos David; Muela Castro, Jordi; Oliva Llena, Asensio (2014)
    Conference report
    Restricted access - publisher's policy
    Accurate characterisation of mixing at the subfilter level is a critical aspect in many LES combustion models, such as flamelet based and Conditional Moment Closure models. Several models can be found in the literature, ...
  • Large eddy simulation of hydrogen autoignition in a preheated turbulent co-flow 

    Muela Castro, Jordi; Lehmkuhl Barba, Oriol; Oliva Llena, Asensio; Ventosa Molina, Jordi (2013)
    Conference report
    Restricted access - publisher's policy
    The autoignition process of a hydrogen jet into a preheated turbulent air stream is numerically studied. A Progress-variable (PV) model with the turbulence-chemistry interactions modelled using a Presumed Conditional Moment ...
  • Modelling and numerical simulation of combustion and multi-phase flows using finite volume methods on unstructured meshes 

    Muela Castro, Jordi (Universitat Politècnica de Catalunya, 2018-04-11)
    Doctoral thesis
    Open Access
    The present thesis is devoted to the development and implementation of mathematical models and numerical methods in order to carry out computational simulations of complex heat and mass transfer phenomena. Several areas ...
  • New parallel method for adjacent disconnected unstructured 3D meshes 

    Muela Castro, Jordi; Martínez Valdivieso, Daniel; Lehmkuhl Barba, Oriol; Pérez Segarra, Carlos David; Oliva Llena, Asensio (2016-07-14)
    Article
    Open Access
    A new parallel method for simulations with non-overlapping disconnected mesh domains but adjacent boundaries is presented and studied. This technique allows simulations using 3D unstructured meshes that are independent.
  • New parallel method for adjacent disconnected unstructured 3D meshes 

    Muela Castro, Jordi; Martínez Valdivieso, Daniel; Lehmkuhl Barba, Oriol; Pérez Segarra, Carlos David; Oliva Llena, Asensio (2015)
    Conference report
    Restricted access - publisher's policy
    A new parallel method for simulations with non-overlapping disconnected mesh domains but adjacent boundaries is presented and studied. This technique allows simulations using 3D unstructured meshes that are independent.
  • Numerical analysis of conservative unstructured discretisations for low Mach flows 

    Ventosa Molina, Jordi; Chiva Segura, Jorge; Lehmkuhl, Oriol; Muela Castro, Jordi; Pérez Segarra, Carlos David; Oliva Llena, Asensio (2016-12-01)
    Article
    Open Access
    Unstructured meshes allow easily representing complex geometries and to refine in regions of interest without adding control volumes in unnecessary regions. However, numerical schemes used on unstructured grids have to ...
  • 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
    Open Access
    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 ...
  • 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; Perez-Segarra, C.; Rigola, J.; Lehmkuhl, Oriol; Cui, Y.; Sommerfeld, M.; Jicha, M.; Saveljic, I.; Filipovic, N.; Lizal, F.; Nicolaou, L. (Elsevier, 2018-02-15)
    Article
    Open Access
    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 ...
  • Sistema de gestió i control equip laboratori 

    Muela Castro, Jordi (Universitat Politècnica de Catalunya, 2009-01-12)
    Master thesis (pre-Bologna period)
    Open Access
    El projecte té per objecte la gestió i control d’una bomba de calor utilitzada com equip de laboratori a l’EUETIB. El propòsit és garantir, de formà automàtica, unes condicions ambientals de temperatura i humitat al local ...
  • Study of stochastic models for subgrid dispersion in Lagrangian-Eulerian formulation 

    Muela Castro, Jordi; Lehmkuhl Barba, Oriol; Oliva Llena, Asensio (Springer, 2018)
    Conference report
    Restricted access - publisher's policy
    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 ...
  • Study of the autoignition of a hydrogen jet in a turbulent co-flow of heated air using LES modelling 

    Muela Castro, Jordi; Ventosa, Jordi; Lehmkuhl Barba, Oriol; Oliva Llena, Asensio (2013)
    Conference report
    Restricted access - publisher's policy
    The autoignition process of a hydrogen jet into a preheated turbulent air stream is numerically studied. A Progress-variable model with the turbulence-chemistry interaction s modelled using a Presumed Conditional Moment ...