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  Development of a reduced order model of solar heat gains prediction 

  Tamm, Meril; Macià, Jordi; Capdevila Paramio, Roser; Farnós Baulenas, Joan; Thalfeldt, Martin; Kurnitski, Jarek (2020-12-01)
  Article
  Open Access

  The aim of this study was to elaborate and validate a reduced order model able to forecast solar heat gains as a function of the architectural parameters that determine the solar heat gains. The study focused on office ...
• A comprehensive simulation tool for adsorption-based solar-cooled buildings. Control strategy based on variable cycle duration 

  Papakokkinos, Giorgos; Castro González, Jesús; Capdevila Paramio, Roser; Damble, Rashmin (2021-01-15)
  Article
  Restricted access - publisher's policy

  Adsorption cooling systems (ACS) may contribute towards a sustainable way of satisfying the increasing cooling demand, as they utilize solar thermal energy and employ non-ozone-depleting substances. Apart from the intrinsic ...
• A scalable framework for the partitioned solution of fluid-structure interaction problems 

  Naseri, Alireza; Totounferoush, Amin; González Acedo, Ignacio; Mehl, Miriam; Pérez Segarra, Carlos David (Springer, 2020-08)
  Article
  Restricted access - publisher's policy

  In this work, we present a scalable and efficient parallel solver for the partitioned solution of fluid–structure interaction problems through multi-code coupling. Two instances of an in-house parallel software, TermoFluids, ...
• On the feasibility of affordable high-fidelity CFD simulations for indoor environment design and control 

  Morozova, Nina; Trias Miquel, Francesc Xavier; Capdevila Paramio, Roser; Pérez Segarra, Carlos David; Oliva Llena, Asensio (2020-10-15)
  Article
  Restricted access - publisher's policy

  Computational fluid dynamics (CFD) is a reliable tool for indoor environmental applications. However, accurate CFD simulations require large computational resources, whereas significant cost reduction can lead to unreliable ...
• A hierarchical parallel implementation for heterogeneous computing. Application to algebra-based CFD simulations on hybrid supercomputers 

  Álvarez Farré, Xavier; Gorobets, Andrey; Trias Miquel, Francesc Xavier (Elsevier, 2021-01)
  Article
  Restricted access - publisher's policy

  The quest for new portable implementations of simulation algorithms is motivated by the increasing variety of computing architectures. Moreover, the hybridization of high-performance computing systems imposes additional ...
• Tetrahedral adaptive mesh refinement for two-phase flows using conservative level-set method 

  Antepara Zambrano, Óscar; Balcázar Arciniega, Néstor; Oliva Llena, Asensio (2021-02)
  Article
  Restricted access - publisher's policy

  In this article, we describe a parallel adaptive mesh refinement strategy for two-phase flows using tetrahedral meshes. The proposed methodology consists of combining a conservative level-set method with tetrahedral adaptive ...
• Transient model for the development of an air-cooled LiBr-H2O absorption chiller based on heat and mass transfer empirical correlations 

  Castro González, Jesús; Farnós Baulenas, Joan; Papakokkinos, Giorgos; Zheng, Jian; Oliet Casasayas, Carles (Elsevier, 2020-12)
  Article
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  This work describes transient numerical modeling of a direct air-cooled,single-effect absorption chiller. The model is lumped parametric based on transient mass, momentum, and energy balances, applied to the internal ...
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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 ...
• A numerical approach for non-Newtonian two-phase flows using a conservative level-set method 

  Amani, Ahmad; Balcázar Arciniega, Néstor; Naseri, Alireza; Rigola Serrano, Joaquim (2020-04-01)
  Article
  Restricted access - publisher's policy

  A finite-volume based conservative level-set method is presented to numerically solve the non-Newtonian multiphase flow problems. One set of governing equations is written for the whole domain, and different phases are ...
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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

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