Recerca aplicada en l'àmbit de la fluïdodinàmica i dinàmica estructural de turbomàquines i sistemes. Aplicacions al diagnòstic de danys, indústria de processos, generació d'energia i fluids supercrítics.

http://futur.upc.edu/FLUIDS

RResearch and technology in the fields of fluid dynamics and structural dynamics of turbomachinery and systems. Application to failure detection and diagnosis, process industries, energy generation and supercritical fluids.

http://futur.upc.edu/FLUIDS

RResearch and technology in the fields of fluid dynamics and structural dynamics of turbomachinery and systems. Application to failure detection and diagnosis, process industries, energy generation and supercritical fluids.

http://futur.upc.edu/FLUIDS

Recent Submissions

  • Analysis of the mode shapes of Kaplan runners 

    Moraga González, Greco Alonso; Egusquiza Montagut, Mònica; Valentín Ruiz, David; Valero Ferrando, Ma. del Carmen; Presas Batlló, Alexandre (Multidisciplinary Digital Publishing Institute, 2022-07-02)
    Article
    Open Access
    To prevent lifetime shortening and premature failure in turbine runners, it is of paramount importance to analyse and understand its dynamic response and determine the factors that affect it. In this paper, the dynamic ...
  • On the use of vibrational hill charts for improved condition monitoring and diagnosis of hydraulic turbines 

    Zhao, Weiqiang; Presas Batlló, Alexandre; Egusquiza Montagut, Mònica; Valentín Ruiz, David; Egusquiza Estévez, Eduard; Valero Ferrando, Ma. del Carmen (2022-01-22)
    Article
    Open Access
    To cope with the intermittent power supply of the new renewable energies and demand fluctuations, Francis turbines are required to operate more and more in an extended operating range, far away from the design point. With ...
  • Experimental investigation on the dynamic response of Pelton runners 

    Egusquiza Montagut, Mònica; Valero Ferrando, Ma. del Carmen; Presas Batlló, Alexandre; Valentín Ruiz, David; Egusquiza Estévez, Eduard (Institute of Physics (IOP), 2019)
    Conference report
    Open Access
    An effective condition monitoring is essential to increase the availability of Pelton turbines and to avoid unexpected damage. The main challenge consists in determining the deformations and the stresses in the runner while ...
  • On the exctitation of a submerged disk-like structure with RSI patterns 

    Presas Batlló, Alexandre; Valentín Ruiz, David; Egusquiza Estévez, Eduard; Valero Ferrando, Ma. del Carmen; Seidel, Ulrich (2015)
    Conference report
    Restricted access - confidentiality agreement
    Determining the dynamic response of submerged and confined disk-like structures is of interest in the hydraulic turbines field. Disks present similar dynamic characteristics than hydraulic turbine runners, especially in ...
  • Transient Analysis of Pelton Turbine Prototypes 

    Egusquiza Montagut, Mònica; Valentín Ruiz, David; Valero Ferrando, Ma. del Carmen; Presas Batlló, Alexandre; Egusquiza Estévez, Eduard (2021)
    Conference report
    Open Access
    One of the most critical operating conditions in hydraulic turbines is the start-up transient. This may be characterized by the presence of several resonances, which increase the vibration and stress levels on the runners. ...
  • Failure investigation of a solar tracker due to wind-induced torsional galloping 

    Valentín Ruiz, David; Valero Ferrando, Ma. del Carmen; Egusquiza Montagut, Mònica; Presas Batlló, Alexandre (Elsevier, 2022-05-01)
    Article
    Open Access
    Solar power installations are increasing every year due to the decarbonization policy established around the world. Photovoltaic (PV) systems and specifically one-axis solar trackers are the most used type of installations ...
  • Prediction of cavitation erosion with different erosion risk indicators 

    Geng, Linlin; Zhang, Dingli; Chen, Jian; Torre Rodríguez, Óscar de la; Escaler Puigoriol, Francesc Xavier (2022-02)
    Article
    Restricted access - publisher's policy
    This present work devoted to simulate the unsteady cavitating flow around a hydrofoil and assess its erosion power predicted by different erosion risk indicators. For that, the behavior of unsteady cloud cavity is numerically ...
  • A novel condition monitoring methodology based on neural network of pump-turbines with extended operating range 

    Zhao, Weiqiang; Egusquiza Estévez, Eduard; Valero Ferrando, Ma. del Carmen; Egusquiza Montagut, Mònica; Valentín Ruiz, David; Presas Batlló, Alexandre (2019)
    Conference report
    Open Access
    Due to the entrance of new renewable energies, water-storage energy has to be regulated more frequently to keep the stability of power grid. Consequently, pump-turbines have to work under offdesign conditions more than ...
  • Natural frequencies of rotating disk-like structures submerged viewed from the stationary frame 

    Presas Batlló, Alexandre; Valentín Ruiz, David; Egusquiza Estévez, Eduard; Valero Ferrando, Ma. del Carmen; Seidel, Ulrich (2021)
    Conference report
    Open Access
    To understand the effect of rotation in the dynamic response of pump-turbine runners, simplified models such as disk-like structures can be used. In previous researches the natural frequencies and mode shapes of rotating ...
  • Behavior of Francis turbines at part load. Field assessment in prototype: Effects on the hydraulic system. 

    Valero Ferrando, Ma. del Carmen; Egusquiza Montagut, Mònica; Valentín Ruiz, David; Presas Batlló, Alexandre; Egusquiza Estévez, Eduard (Institute of Physics (IOP), 2019)
    Conference report
    Open Access
    At present, hydropower plants play an important role because of their flexibility in the generation of electricity. Today, the required operating range of turbine units is expected to extend to deep part load. At part load ...
  • Behavior of Francis turbines at part load. Field assessment in prototype: Effects on power swing. 

    Valentín Ruiz, David; Presas Batlló, Alexandre; Egusquiza Montagut, Mònica; Valero Ferrando, Ma. del Carmen; Egusquiza Estévez, Eduard (Institute of Physics (IOP), 2019)
    Conference report
    Open Access
    Francis turbines are increasingly demanded to work at part load in order to satisfy the electricity generation demand and to compensate the non-constant generation of other renewable sources such as wind or solar. At part ...
  • Detection of erosive cavitation on hydraulic turbines through demodulation analysis 

    Presas Batlló, Alexandre; Luo, Yongyao; Valentín Ruiz, David; Egusquiza Montagut, Mònica; Wang, Zhengwei; Valero Ferrando, Ma. del Carmen; Egusquiza Estévez, Eduard (Institute of Physics (IOP), 2018)
    Conference report
    Open Access
    Erosive cavitation in hydraulic turbines affects severely the runner structure, increasing maintenance costs and reducing the remaining useful life of the component. Actual vibro-acoustic techniques used to detect this ...

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