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  PEM automotive stack model with experimental validation 

  Gomez Pomar, Juan Carlos; Dombrovski, Johanna Katharina; Serra, Maria; Husar, Attila Peter (2019)
  Conference report
  Open Access

  Dynamic models of PEM stacks are the basis to design controllers for appropriate performance, maximum efficiency and minimum degradation. Fluid dynamic models of different dimensions can be found in the literature; however, ...
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  Detailed prediction of fluid-solid coupled phenomena of turbulent flow through reed valves 

  González Acedo, Ignacio; Naseri, Alireza; Rigola Serrano, Joaquim; Pérez Segarra, Carlos David; Oliva Llena, Asensio (Institute of Physics (IOP), 2019)
  Conference report
  Open Access

  The operation of self-actuated valves in suction and discharge processes plays a crucial role in the thermal efficiency and structural reliability of hermetic reciprocating compressors. The present work provides a thorough ...
• Optimization of a procedure for model calibration using a method based on scattered data interpolation 

  Morales Ruíz, Sergio; Oliet Casasayas, Carles; Castro González, Jesús; Rigola Serrano, Joaquim; Oliva Llena, Asensio (International Institute of Refrigeration, 2019)
  Conference report
  Restricted access - publisher's policy

  In order to develop advanced control strategies for complex thermal systems such as in the case of refrigeration and air-conditioning systems, calibrated models against experimental measurements are necessary to reproduce ...
• A water balance model to estimate climate change impact on groundwater recharge in Yucatan Peninsula, Mexico 

  Rodríguez Huerta, Edgar; Rosas Casals, Martí; Hernández Terrones, Laura Margarita (2020-03)
  Article
  Restricted access - publisher's policy

  The aim of this paper is to estimate the effect that climate change will have on groundwater recharge at the Yucatan Peninsula, Mexico. The groundwater recharge is calculated from a monthly water balance model considering ...
• Curing and thermomechanical properties of off-stoichiometric anhydride-epoxy thermosets 

  Morancho Llena, José María; Ramis Juan, Xavier; Fernández Francos, Xavier; Salla Tarragó, José María; Konuray, Ali Osman; Serra Albet, Maria Àngels (Springer, 2019-11)
  Article
  Restricted access - publisher's policy

  n the present work, we report the preparation and characterization of a new family of thermosets based on off-stoichiometric anhydride–epoxy formulations in the presence of an anionic initiator. Diglycidyl ether of bisphenol ...
• A new class of vitrimers based on aliphatic poly(thiourethane) networks with shape memory and permanent shape reconfiguration 

  Gamardella, Francesco; Guerrero, Federico; Flor López, Sílvia de la; Ramis Juan, Xavier; Serra Albet, Maria Àngels (Elsevier, 2019-01-05)
  Article
  Restricted access - publisher's policy

  Vitrimers are a new promising class of polymeric materials which are attracting increasing attention thanks to their thermosetting characteristics with their capability of being reprocessed and recyclable, which make them ...
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  Minimization procedure of experimental tests for calibration purposes, within HVAC&R energy efficiency framework 

  Morales Ruíz, Sergio; Oliet Casasayas, Carles; Castro González, Jesús; Rigola Serrano, Joaquim; Oliva Llena, Asensio (2019)
  Conference report
  Open Access

  Simulation models and predictive tools need to be fast, accurate and robust at the same time. The models that have to provide numerical solutions under transient conditions for a long period of time need to be simple with ...
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  Acetoacetate based thermosets prepared by dual-Michael addition reactions 

  Konuray, Ali Osman; Fernández Francos, Xavier; Ramis Juan, Xavier; Serra Albet, Maria Àngels (Multidisciplinary Digital Publishing Institute (MDPI), 2019-01-01)
  Article
  Open Access

  A novel set of dual-curable multiacetoacetate-multiacrylate-divinyl sulfone ternary materials with versatile and manipulable properties are presented. In contrast to common dual-curing systems, the first stage polymer ...
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  An efficient Two-Layer wall model for accurate numerical simulations of aeronautical applications 

  Calafell Sandiumenge, Joan; Trias Miquel, Francesc Xavier; Oliva Llena, Asensio (2019)
  Conference report
  Open Access

  Two-Layer wall models have been widely studied since they allow wall modeled Large Eddy Simulationsof general non-equilibrium flows. However, they are plagued by two persistent problems, the "log-layermismatch" and the ...
• Active flow control on SD7003 airfoil using synthetic jets 

  Tousi, Navid Monshi; Bergadà Granyó, Josep Maria; Rodríguez Pérez, Ivette María (2019)
  Conference report
  Restricted access - publisher's policy

  The present paper focuses on applying the Active Flow Control (AFC) technology on the Selig-Donovan 7003 (SD7003) airfoil at Reynolds number 60,000, the idea is to employ synthetic jets in order to modify the lift and drag ...
• Material principles and economic relations underlying Neolithic axe circulation in Western Europe 

  Delgado Raack, Selina; Risch, Roberto; Martínez Fernández, Francisco; Rosas Casals, Martí (2019-10-09)
  Article
  Restricted access - publisher's policy

  Neolithic societies produced and circulated axeheads made out of different rock types over substantial distances. These tools were indispensable to their economic reproduction, but they also demanded considerable manufacturing ...
• Assessment and comparison of a recent kinematic sensitive subgrid length scale in Hybrid RANS-LES 

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

  A recent kinematic sensitive subgrid length scale, Δlsq, initially developed for LES applications, is now considered for DES. Even though it is presented as a subgrid length scale, instead of a grey area mitigation (GAM) ...

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