Recent Submissions

  • Numerical modelling of the cooling system at alba synchrotron radiation facility to understand its performance 

    Escaler Puigoriol, Francesc Xavier; Prieto Moline, María Montserrat; Quispe Flores, Marcos; Kjeldsen, Morten; De La Torre, Oscar (American Society of Mechanical Engineers (ASME), 2017)
    Conference report
    Restricted access - publisher's policy
    The ALBA Synchrotron Light Source in Barcelona (Spain) requires a reliable, stable and adequate cooling system for its optimal operation. The current design with four long and intricate consumption lines with a ring type ...
  • Thermo-fluid numerical simulation of the crotch absorbers’ cooling pinholes for alba storage ring 

    Escaler Puigoriol, Francesc Xavier; Arbó, Victor; Casas, Joan; Colldelram, Carles; Quispe, Marcos; Prieto Moline, María Montserrat (2016)
    Conference lecture
    Open Access
    The ALBA Synchrotron Light Facility crotch absorbers, that remove the unused storage ring radiation, incorporate an internal cooling system composed by a number of parallel pinholes and by the corresponding stainless steel ...
  • Numerical simulation of the alba synchrotron light source cooling system response to pump start-up and shut-down 

    Escaler Puigoriol, Francesc Xavier; Casas, Joan; Colldelram, Cales; Quispe, Marcos; Prieto Moline, María Montserrat (2016)
    Conference lecture
    Open Access
    The ALBA Synchrotron Light Source cooling system is submitted to regular pump start-ups and shut-downs. Moreover, pumps can trip due to motor power failures. As a result, the piping system can be subjected to surges and ...
  • Numerical simulation of the alba synchrotron light source cooling system response for failure prevention 

    Escaler Puigoriol, Francesc Xavier; Casas, Joan; Colldelram, Carles; Quispe, Marcos; Prieto Moline, María Montserrat (2016)
    Conference lecture
    Open Access
    The ALBA Synchrotron Light Source cooling system is designed with a common return pipe that interconnects the four consumption rings. Such configuration is believed to compromise its optimal operation. To understand its ...
  • Thermo-fluid study of the upc race-track microtron cooling system 

    Escaler Puigoriol, Francesc Xavier; Koubychine Merkulov, Youri Alexandrovich; Blasco Argente, Vicente Pablo; Romero Perea, Juan Antonio; Sánchez Díaz, Alexandre; Prieto, M.; Shvedunov, V.I. (2016)
    Conference lecture
    Open Access
    The cooling system of the race-track microtron (RTM), which is under construction at the Universitat Politècnica de Catalunya (UPC), has been simulated by means of a computational fluid dynamics (CFD) software. The hydraulic ...
  • Study of the cooling and vacuum systems of a miniature 12 MeV race-track microtron 

    Kubyshin, Yu A.; Escaler Puigoriol, Francesc Xavier; Shvedunov, Vasiliy (2017)
    Conference lecture
    Open Access
    With the aim of optimization, numerical simulations of the cooling and vacuum systems of a compact 12 MeV race-track microtron (RTM) which is under construction at the Technical University of Catalonia have been carried ...
  • Efectos de la obstrucción del flujo en una turbina 

    Fontanals García, Alfred; Pijoan Fusté, Roger; Guardo Zabaleta, Alfredo de Jesús; Coussirat Núñez, Miguel Gustavo (Asociación Argentina de Mecánica Computacional, 2016)
    Conference report
    Open Access
    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 ...
  • Numerical simulation of cavitation-erosion on a plane-convex hydrofoil using a homogeneous mixture assumption 

    Hidalgo, V.; Luo, Xianwu; Escaler Puigoriol, Francesc Xavier; Valencia, E.; Cando, E.; Yang, D. (2016)
    Conference report
    Restricted access - publisher's policy
    A better understanding of the cavitation-erosion mechanism is important to improve the prediction of the affected region under unsteady cavitation condition. For that, a new model has been proposed to estimate the microjet ...
  • Failure investigation of a Francis turbine under the cavitation conditions 

    Liu, Xin; Wang, Zhengwei; Zhou, Lingjiu; Escaler Puigoriol, Francesc Xavier (2016)
    Conference report
    Open Access
    Acoustic-Structural coupling methodology has been used to numerically investigate the failure of a Francis turbine runner that broke down within one day of operation. The goal of the work has been to determine the feasibility ...
  • Numerical investigation of the cavitation effect on natural frequencies of a hydrofoil 

    Liu, Xin; Zhou, Lingjiu; Escaler Puigoriol, Francesc Xavier; Wang, Zhengwei (2016)
    Conference report
    Open Access
    The added mass effects on a NACA0009 hydrofoil under cavitation conditions determined in a cavitation tunnel have been numerically simulated using finite element method (FEM). Based on the validated model, the effects of ...
  • Added mass effects of attached cavitation on the blades of a Francis runner 

    Huang, Xingxing; Escaler Puigoriol, Francesc Xavier (2016)
    Conference report
    Open Access
  • Preliminary results on the assessment of using Venetian blinds as a solar thermal collector in double skin facades in Mediterranean climates 

    Guardo Zabaleta, Alfredo de Jesús; Egusquiza Montagut, Mònica; Egusquiza Estévez, Eduard; Alavedra Ribot, Pere (2015)
    Conference report
    Open Access
    The global trend on energy integration and building efficiency is making both researchers and developers look for technical solutions to use façade surfaces for electricity and/or domestic hot water production. These ...

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