Enviaments recents

  • 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 ...
  • High-order cell-centered finite volume method for solid dynamics on unstructured meshes 

    Castrillo Green, Pablo; Schillaci, Eugenio; Rigola Serrano, Joaquim (Elsevier, 2024-05-01)
    Article
    Accés restringit per política de l'editorial
    This paper introduces a high-order finite volume method for solving solid dynamics problems on three-dimensional unstructured meshes. The method is based on truncated Taylor series constructed about each control volume ...
  • Easily recycled thiol-ene elastomers with controlled creep 

    Alzubi, Hani Khaled Mohammad; Konuray, Ali Osman; Fernández Francos, Xavier; Ramis Juan, Xavier; Moradi, Sasan (Elsevier, 2024-03)
    Article
    Accés obert
    Starting from in-house synthesized allylic monomers containing dynamic disulfide (S–S) bonds, a set of vitrimeric thiol-ene elastomers were prepared and characterized with respect to their viscoelastic and tensile properties. ...
  • Preparation of poly(thiourethane) networks by using a novel acidic organocatalyst. Evaluation of their vitrimer-like behavior 

    Guerrero Ruiz, Federico; Ramis Juan, Xavier; Flor López, Sílvia de la; Serra Albet, Maria Àngels (2023-02)
    Article
    Accés restringit per política de l'editorial
    In this work, a novel acidic catalyst, isopropyl methane sulfonate, has been tested for the preparation of a series of poly(thiourethane) thermosets (PTU)s. The advantage of this compound is that in addition to being free ...
  • Artificial compressibility method for high-pressure transcritical fluids at low Mach numbers 

    Abdellatif, Ahmed Mohammed Abdelfattah; Ventosa Molina, Jordi; Grau Barceló, Joan; Torres Cámara, Ricardo; Jofre Cruanyes, Lluís (Elsevier, 2024-02-15)
    Article
    Accés obert
    Supercritical fluids possess unique properties that makes them relevant in various scientific and engineering applications. However, the experimental investigation of these fluids is challenging due to the high pressures ...
  • A new high-performance flat plate solar collector. Numerical modelling and experimental validation 

    Zheng, Jian; Febrer Cordoba, Rafael; Castro González, Jesús; Kizildag, Deniz; Rigola Serrano, Joaquim (2024-02-01)
    Article
    Accés obert
    A new concept of flat plate solar collector (FPC) has been numerically studied for optimization purposes from an energetic and exergetic points of view. The highly efficient results have been achieved by adding transparent ...
  • Study on temperature distribution of vertical liquid falling film heat transfer with Al2O3 nanofluid 

    Zheng, Jian; Castro González, Jesús; Liu, Yue; Oliva Llena, Asensio; Pérez Segarra, Carlos David (Elsevier, 2024-02-15)
    Article
    Accés obert
    This study presents a laminar smooth 2-D theoretical model of the falling liquid film using an in-house code and validated with experimental results. The numerical model considers thermophysical property enhancements with ...
  • Designer SiO2 metasurfaces for efficient passive radiative cooling 

    Ding, Zhenmin; Li, Honglin; Li, Xin; Fan, Xueying; Jaramillo Fernández, Juliana; Pattelli, Lorenzo; Zhao, Jiupeng; Niu, Shichao; Li, Yao; Xu, Hongbo (John Wiley & sons, 2023-11-27)
    Article
    Accés obert
    In recent years, an increasing number of passive radiative cooling materials are proposed in the literature, with several examples relying on the use of silica (SiO2) due to its unique stability, non-toxicity, and availability. ...

Mostra'n més