Recent Submissions

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  Assessment of LES techniques for mitigating the Grey Area in DDES models 

  Pont Vilchez, Arnau; Santos Serrano, Daniel; Trias Miquel, Francesc Xavier; Duben, Alexey; Revell, Alistair; Oliva Llena, Asensio (2019)
  Conference report
  Open Access

  The slow RANS-LES transition is a well-known shortcoming in hybrid turbulence models such as DelayedDetached Eddy Simulation (DDES). The present work assesses the feasibility of 2D sensitive LES models for naturally ...
• Improving DES capabilities for predicting Kelvin-Helmholtz instabilities. Comparison with a backward-facing step DNS. 

  Pont Vilchez, Arnau; Trias Miquel, Francesc Xavier; Duben, Alexey; Revell, Alistair; Oliva Llena, Asensio (2020-05-10)
  Conference report
  Restricted access - publisher's policy

  The Detached Eddy Simulation (DES) turbulence model presented by Spalart et al. (Comments on the Feasibility of LES for Wings, and on a Hybrid RANS/LES Approach, [1]) in the late 90s, was specifically designed to simulate ...
• On the Feasibility of CFD for Transient Air Flow Simulations in Buildings 

  Morozova, Nina; Capdevila Paramio, Roser; Trias Miquel, Francesc Xavier; Oliva Llena, Asensio (2019)
  Conference report
  Restricted access - publisher's policy

  The rapidly growing computational capacity hasmade CFD simulations an attractive tool for indoorenvironmental applications. The ability of CFD toperform transient simulations could be incorporatedinto model predictive ...
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  Dynamic simulation of indirect air conditioning systems with optimized computational time 

  Ablanque Mejía, Nicolás; Torras Ortiz, Santiago; Oliet Casasayas, Carles; Rigola Serrano, Joaquim; Pérez Segarra, Carlos David (2019)
  Conference report
  Open Access
• On a proper tensor-diffusivity model for large-eddy simulations of buoyancy driven flows 

  Trias Miquel, Francesc Xavier; Dabbagh, Firas; Gorobets, Andrei; Oliva Llena, Asensio (2019)
  Conference report
  Restricted access - publisher's policy
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  Thermal System Oriented Simulation of Aircraft Electrical Environmental Control Systems Including its Electric Coupling 

  Ablanque Mejía, Nicolás; Torras Ortiz, Santiago; Oliet Casasayas, Carles; Rigola Serrano, Joaquim; Pérez Segarra, Carlos David (European Conference for AeroSpace Sciences (EUCASS), 2019)
  Conference report
  Open Access

  A flexible numerical platform based on libraries has been developed within the Dymola/Modelica framework to simulate Environmental Control Systems (ECS). The goal was to build up a flexible tool to analyse complex systems ...
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  Development of Innovative Heat Sinks for Power Electronics Cooling within the More Electrical Aircraft 

  Oliet Casasayas, Carles; Naseri, Alireza; Rigola Serrano, Joaquim; Oliva Llena, Asensio; Mullen, David; McKay, Connor; Hoell, Klaus; Preishuber-Pfluegl, Florian; Migneau, Maxime (European Conference for AeroSpace Sciences (EUCASS), 2019)
  Conference report
  Open Access
• DNS of drag-force and reactive mass transfer in gravity-driven bubbly flows 

  Balcázar Arciniega, Néstor; Antepara Zambrano, Óscar; Rigola Serrano, Joaquim; Oliva Llena, Asensio (2019)
  Conference report
  Restricted access - publisher's policy
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  Assessment of numerical aspects using LES in particle separation devices 

  Muela Castro, Jordi; Rigola Serrano, Joaquim; Oliet Casasayas, Carles; Pérez Segarra, Carlos David; Oliva Llena, Asensio (European Conference for AeroSpace Sciences (EUCASS), 2019)
  Conference report
  Open Access

  Numerical simulations can be a powerful tool for the design and optimization of Foreign Object Debris (FOD) protection and separation devices. This work aims to study the relevance and influence of different modelling and ...
• DNS of un-equal size droplets collision using a moving-mesh/level-set method 

  Amani, Ahmad; Balcázar Arciniega, Néstor; Gutiérrez Álvarez, Enrique; Oliva Llena, Asensio (2019)
  Conference report
  Restricted access - publisher's policy
• A pure virtual approach for managing platform portability on hybrid supercomputers 

  Álvarez Farré, Xavier; Gorobets, Andrey; Alsati Baldellou, Àdel; Trias Miquel, Francesc Xavier (2019)
  Conference report
  Restricted access - publisher's policy

  Commonly, the development of scientific computing software follows a stencilbased approach: the numerical methods and algorithms are introduced into computing systems through stencil data structures and sweeps (i.e. ...
• DNS of Mass Transfer from Bubbles Rising in a Vertical Channel 

  Balcázar Arciniega, Néstor; Rigola Serrano, Joaquim; Oliva Llena, Asensio (Springer, 2019)
  Conference report
  Restricted access - publisher's policy

  This work presents Direct Numerical Simulation of mass transfer from buoyancy-driven bubbles rising in a wall-confined vertical channel, through a multiple markers level-set method. The Navier-Stokes equations and mass ...

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