Enviaments recents

  • Lighter and faster simulations on domains with symmetries 

    Alsalti Baldellou, Àdel; Álvarez Farré, Xavier; Colomer Rey, Guillem; Gorobets, Andrey; Pérez Segarra, Carlos David; Oliva Llena, Asensio; Trias Miquel, Francesc Xavier (Elsevier, 2024-05-15)
    Article
    Accés obert
    A strategy to improve the performance and reduce the memory footprint of simulations on meshes with spatial reflection symmetries is presented in this work. By using an appropriate mirrored ordering of the unknowns, discrete ...
  • Ultrafast multi-photon excitation of ScVO4:Bi3+ for luminescence thermometry 

    Escofet Martín, David; Ojo, Anthony; Peterson, Brian (2022-01-01)
    Article
    Accés obert
    We demonstrate a multi-photon excitation (MPE) scheme for luminescence thermometry using ScVO4:Bi3+. MPE is performed using a 37 fs Ti:sapphire laser pulse centered at 800 nm. Log-log plots of the phosphorescence intensity ...
  • Review of the uses of acoustic emissions in monitoring cavitation erosion and crack propagation 

    Fernández Osete, Ismael; Bermejo Plana, David; Ayneto Gubert, Javier; Escaler Puigoriol, Francesc Xavier (MDPI AG, 2024-02-24)
    Article
    Accés obert
    Nowadays, hydropower plants are being used to compensate for the variable power produced by the new fluctuating renewable energy sources, such as wind and solar power, and to stabilise the grid. Consequently, hydraulic ...
  • Toward the usage of deep learning surrogate models in ground vehicle aerodynamics 

    Eiximeno Franch, Benet; Miró Jané, Arnau; Rodríguez Pérez, Ivette María; Lehmkuhl Barba, Oriol (Multidisciplinary Digital Publishing Institute (MDPI), 2024-03-27)
    Article
    Accés obert
    This study introduces a deep learning surrogate model designed to predict the evolution of the mean pressure coefficient on the back face of a Windsor body across a range of yaw angles from 2.5◦ to 10◦ . Utilizing a ...
  • Biobased imine vitrimers obtained by photo and thermal curing procedures-promising materials for 3D printing 

    Vilanova Pérez, Anna; De la Flor López, Silvia; Fernández Francos, Xavier; Serra Albet, Maria Àngels; Roig Gibert, Adriá (American Chemical Society (ACS), 2024-03-14)
    Article
    Accés obert
    Imine-based vitrimers were prepared from synthesized diimine-dimethacrylate monomer derived from biobased vanillin. First, a methacrylate derivative starting from vanillin was synthesized. The diimine derivative was ...
  • Contactless characterization of the elastic properties of glass microspheres 

    Maire, Jeremie; Necio, Tomasz; Chavez Angel, Emigdio; Colombano, M.F; Jaramillo Fernández, Juliana; Sotomayor Torres, Clivia M.; Capuj, N.E.; Navarro Urrios, Daniel (American Institute of Physics (AIP), 2023-04-25)
    Article
    Accés obert
    Glass microspheres are of great interest for numerous industrial, biomedical, or standalone applications, but it remains challenging to evaluate their elastic and optical properties in a non-destructive way. In this work, ...
  • Far-field radiative thermal rectification based on asymmetric emissivity 

    Ng, Ryan C.; El Sachat, Alexandros; Jaramillo Fernández, Juliana; Sotomayor Torres, Clivia M.; Chavez Angel, Emigdio (American Chemical Society (ACS), 2023-09-29)
    Article
    Accés obert
    This experimental study investigates thermal rectification via asymmetric far-field thermal radiation on a fused silica slab. An asymmetrical distribution of surface emissivity is created over the device by partially ...
  • Harnessing disulfide and transesterification bond exchange reactions for recyclable and reprocessable 3D-printed vitrimers 

    Vilanova Pérez, Anna; Moradi, Sasan; Konuray, Ali Osman; Ramis Juan, Xavier; Roig Gibert, Adriá; Fernández Francos, Xavier (2024-02-01)
    Article
    Accés obert
    Two new vitrimeric materials have been studied for potential additive manufacturing applications such as 3D- printing. A monomer containing disulfide bonds and ß-hydroxyesters was easily synthesized from two low- cost and ...
  • Eugenol-based dual-cured materials with multiple dynamic exchangeable bonds 

    Roig Gibert, Adriá; Ramis Juan, Xavier; De la Flor López, Silvia; Serra Albet, Maria Àngels (Elsevier, 2024-02-21)
    Article
    Accés obert
    In the present work, the preparation of sustainable thermosets has been approached simultaneously from three different points of view: a) the use of bio-based monomers chemically modified through green methodologies, b) ...
  • On the dynamics of the turbulent flow past a three-element wing 

    Montalà Sales, Ricard; Lehmkuhl Barba, Oriol; Rodríguez Pérez, Ivette María (American Institute of Physics (AIP), 2024-02)
    Article
    Accés obert
    A comprehensive analysis of the unsteady flow dynamics past the 30P30N three-element high lift wing is performed by means of large eddy simulations at different angles of attack (a¿=¿5°, 9°, and 23°) and at a Reynolds ...
  • Air ejector znalysis in extended operational perimeter for control oriented simulation of bleed-air aircraft systems 

    Schillaci, Eugenio; Oliet Casasayas, Carles; Vemula, Jagadish Babu; Duponcheel, Matthieu; Bartosiewicz, Yann; Planquart, Philippe (Institute of Physics (IOP), 2023-06-28)
    Article
    Accés obert
    The integration of large size Ultra High Bypass Ratio (UHBR) engines introduces new restrictions of space for their integration with the aircraft wing. Under this scenario, a reduction of the size of the bleed air system ...
  • On the dynamics of the turbulent flow past a three-element wing 

    Montalà Sales, Ricard; Lehmkuhl Barba, Oriol; Rodríguez Pérez, Ivette María (2024-02-12)
    Article
    Accés obert
    A comprehensive analysis of the unsteady flow dynamics past the 30P30N three-element high lift wing is performed by means of large eddy simulations at different angles of attack (AoA=5°, 9°, and 23°) and at a Reynolds ...

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