Articles de revista

Enviaments recents

  • Numerical study on the dynamic behavior of a francis turbine runner model with a crack 

    Zhang, Ming; Valentín Ruiz, David; Valero Ferrando, Ma. del Carmen; Egusquiza Montagut, Mònica; Zhao, Weiqiang (2018-01-01)
    Article
    Accés obert
    Crack appearance in the blade is the most common type of fatigue damage in Francis turbines. However, it is sometimes difficult to detect cracks in time using the current monitoring system, even when they are very large. ...

  • Assessment of the use of Venetian blinds as solar thermal collectors in double skin facades in Mediterranean climates 

    Velasco Vilanova, Abel; Jiménez García, Sergi; Guardo Zabaleta, Alfredo de Jesús; Fontanals García, Alfred; Egusquiza Montagut, Mònica (2017-11-10)
    Article
    Accés obert
    The global trend on energy integration and building efficiency is making both researchers and building developers look for technical solutions to use facade surfaces for energy harvesting. In this work, the assessment ...

  • Computational fluid dynamics modeling of impinging gas-jet systems: I. Assessment of eddy viscosity models 

    Coussirat Núñez, Miguel Gustavo; van Beeck, J; Mestres Ridge, Marc; Egusquiza Estévez, Eduard; Buchlin, J-M; Escaler Puigoriol, Francesc Xavier (2005-07-15)
    Article
    Accés restringit per política de l'editorial
    Computational fluid dynamics plays an important role in engineering design. To gain insight into solving problems involving complex industrial flows, such as impinging gas-jet systems (IJS), an evaluation of several eddy ...

  • Numerical simulation of added mass effects on a hydrofoil in cavitating flow using acoustic FSI 

    Liu, Xin; Zhou, Lingjiu; Wang, Zhengwei; Escaler Puigoriol, Francesc Xavier; Luo, Yongyao; Torre Rodríguez, Oscar de la (2016-11-14)
    Article
    Accés restringit per política de l'editorial
    A fluid-structure interaction system has been solved using the coupled acoustic structural finite element method to simplify the cavitating flow conditions around a hydrofoil. The modes of vibration and the added mass ...

  • Experimental and numerical analysis of directional added mass effects in partially liquid-filled horizontal pipes 

    Escaler Puigoriol, Francesc Xavier; Torre Rodríguez, Oscar de la; Goggins, Jamie (2017-02)
    Article
    Accés restringit per política de l'editorial
    The change of pipe natural frequencies due to added mass effects has been investigated in two cylindrical horizontal pipes from empty to completely water filled cases with various intermediate partially-filled conditions. ...

  • Efectos de la obstrucción del flujo en una turbina 

    Fontanals García, Alfred; Pijoan Fusté, Roger; Guardo Zabaleta, Alfredo de Jesús; Coussirat Núñez, Miguel Gustavo (2016-11)
    Article
    Accés obert
    El rendimiento de una turbina, está sujeto al comportamiento del flujo a través de las directrices del distribuidor y de los álabes del rodete. Para evitar que el flujo de agua procedente del embalse introduzca cuerpos ...

  • Analysis of the dynamic response of pump-turbine impellers. Influence of the rotor 

    Egusquiza Estévez, Eduard; Valero Ferrando, Ma. del Carmen; Presas Batlló, Alexandre; Huang, Xingxing; Guardo Zabaleta, Alfredo de Jesús; Seidel, Ulrich (2016-02-01)
    Article
    Accés obert
    This paper deals with the dynamic response of pump-turbine impellers. A pump-turbine impeller is a complex structure attached to a rotor and rotating inside a casing full of water with very small clearances between the ...

  • ALBA synchrotron cooling system evaluation using flowmaster® 

    Quispe, Marcos; Escaler Puigoriol, Francesc Xavier; Prieto, Montserrat; Kjeldsen, Morten (2015-06-22)
    Article
    Accés obert
    ALBA is a 3rd generation Synchrotron Light facility in Barcelona, Spain. Made up of a complex network of electron accelerators that produce synchrotron light, it allows for the visualization of the atomic structure of ...

  • Wind speed dependency of low-frequency vibration levels in full-scale wind turbines 

    Escaler Puigoriol, Francesc Xavier; Mebarki, Toufik (2015-12-01)
    Article
    Accés restringit per política de l'editorial
    A series of continuous vibration measurements in 14 upwind wind turbines of the same model and belonging to the same wind farm have been conducted. The data were acquired over a period lasting approximately half a year. ...

  • Experimental mode shape determination of a cantilevered hydrofoil under different flow conditions 

    de la Torre Rodriguez, Oscar; Escaler Puigoriol, Francesc Xavier; Egusquiza Estévez, Eduard; Farhat, Mohamed (2016-12-01)
    Article
    Accés obert
    The first three mode shapes of a cantilevered NACA0009 hydrofoil were experimentally investigated in air and under different flow conditions in a cavitation tunnel. First and second bending modes and first torsion mode ...

  • Implicit large eddy simulation of unsteady cloud cavitation around a plane-convex hydrofoil 

    Hidalgo, Victor; Luo, Xian-wu; Escaler Puigoriol, Francesc Xavier; Ji, Bin; Aguinaga, Alvaro (2015-12-01)
    Article
    Accés obert
    The present paper focuses on the erosive cavitation behavior around a plane convex hydrofoil. The Zwart-Gerber-Belamri cavitation model is implemented in a library form to be used with the OpenFOAM. The implicit large eddy ...

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