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

  • Response of Saos-2 osteoblast-like cells to kilohertz-resonance excitation in porous metallic scaffolds 

    Deering, Joseph; Presas Batlló, Alexandre; Lee, Bryan E. J.; Valentín Ruiz, David (Elsevier, 2020-06-01)
    Article
    Restricted access - publisher's policy
    Post-operative therapy for joint replacement is often performed to optimize bone volume and bone-implant contact. Methods, such as pulsed therapeutic ultrasound, have been shown to be a valuable addition to regular ...
  • Transposition of the mechanical behavior from model to prototype of Francis turbines 

    Valentín Ruiz, David; Presas Batlló, Alexandre; Valero Ferrando, Ma. del Carmen; Egusquiza Montagut, Mònica; Egusquiza Estévez, Eduard; Gomes, João; Avellan, François (Elsevier, 2020-06-01)
    Article
    Restricted access - publisher's policy
    Hydropower is nowadays essential for balancing the electrical grid providing flexibility and fast response. The role of hydraulic turbines has changed from working at their Best Efficiency Point (BEP) to work in the whole ...
  • Synchronous condenser operation in Francis turbines: Effects in the runner stress and machine vibration 

    Valentín Ruiz, David; Presas Batlló, Alexandre; Valero Ferrando, Ma. del Carmen; Egusquiza Montagut, Mònica; Egusquiza Estévez, Eduard (Elsevier, 2020-02-01)
    Article
    Restricted access - publisher's policy
    Reactive power shortage is one of the current issues that endanger the stability of the power grid systems. Some massive blackouts have been experienced in the past years due to the unbalance of reactive power. One of the ...
  • Numerical analysis of the influence of design parameters on the efficiency of an OWC axial impulse turbine for wave energy conversion 

    Luo, Yongyao; Presas Batlló, Alexandre; Wang, Zhengwei (2019-03-12)
    Article
    Open Access
    Oscillating water column (OWC) axial impulse turbines permit the conversion of wave energy into electrical power. Unlike other hydropower units with a mature and well established technology, such turbines have been recently ...
  • Experimental measurements of the natural frequencies and mode shapes of rotating disk-blades-disk assemblies from the stationary frame 

    Presas Batlló, Alexandre; Valentín Ruiz, David; Valero Ferrando, Ma. del Carmen; Egusquiza Montagut, Mònica; Egusquiza Estévez, Eduard (Multidisciplinary Digital Publishing Institute, 2019-09-14)
    Article
    Open Access
    Determining the natural frequencies and mode shapes of rotating turbomachinery components from both rotating and stationary reference frames is of paramount importance to avoid resonance problems that could affect the ...
  • Cavitation effects on the structural resonance of hydraulic turbines: Failure analysis in a real francis turbine runner 

    Liu, Xin; Luo, Yongyao; Presas Batlló, Alexandre; Wang, Zhengwei; Zhou, Lingjiu (2018-09-03)
    Article
    Open Access
    When discussing potential resonances in hydraulic turbine runners, cavitation effects are usually neglected. Nevertheless, recent studies have experimentally proved, that large cavitation volumes in the proximity of flexible ...
  • Crack growth analysis and fatigue life estimation in the piston rod of a Kaplan hydro turbine 

    Liu, Xin; Presas Batlló, Alexandre; Luo, Yongyao; Wang, Zhengwei (2018-11)
    Article
    Open Access
    Linear elastic fracture mechanics (LEFM) approaches are seldom used to analyze fatigue problems in hydraulic turbomachinery, where extremely simplified fatigue models are normally considered. In one of the largest Kaplan ...
  • Detection of hydraulic phenomena in francis turbines with different sensors 

    Valentín Ruiz, David; Presas Batlló, Alexandre; Valero Ferrando, Ma. del Carmen; Egusquiza Montagut, Mònica; Egusquiza Estévez, Eduard (Multidisciplinary Digital Publishing Institute (MDPI), 2019-09-19)
    Article
    Open Access
    Nowadays, hydropower is demanded to provide flexibility and fast response into the electrical grid in order to compensate the non-constant electricity generation of other renewable sources. Hydraulic turbines are therefore ...
  • Fatigue life estimation of Francis turbines based on experimental strain measurements: Review of the actual data and future trends 

    Presas Batlló, Alexandre; Luo, Yongyao; Guo, Bao; Wang, Zhengwei (2019-03)
    Article
    Restricted access - publisher's policy
    Due to the massive entrance of new renewable energies such as wind or solar, hydraulic turbines have to work far from its designed point and withstanding multiple transients, such as starts and stops, that shorten the ...
  • Influence of the hydrodynamic damping on the dynamic response of Francis turbine runners 

    Valentín Ruiz, David; Presas Batlló, Alexandre; Valero Ferrando, Ma. del Carmen; Egusquiza Montagut, Mònica; Jou Santacreu, Esteban; Egusquiza Estévez, Eduard (2019-10-01)
    Article
    Restricted access - publisher's policy
    The dynamic behavior of Francis runners is of interest in the hydraulic machinery field since it is one of the most used type of hydraulic turbines for electricity generation. To evaluate the dynamic behavior of Francis ...
  • CFD study of the effects of ingested bodies on the RSI of hydraulic turbines 

    Guardo Zabaleta, Alfredo de Jesús; Fontanals García, Alfred; Valero Ferrando, Ma. del Carmen; Egusquiza Estévez, Eduard (2018)
    Conference report
    Open Access
    The ingestion of large bodies in hydraulic turbines can produce blockage in the runner and/or the distributor, modifying the amplitude and uniformity of pressure pulsations and generating large ...
  • Failure investigation of a Kaplan turbine blade 

    Zhang, Ming; Valentín Ruiz, David; Valero Ferrando, Ma. del Carmen; Egusquiza Montagut, Mònica; Egusquiza Estévez, Eduard (Elsevier, 2019-03-01)
    Article
    Restricted access - publisher's policy
    In this paper, an uncommon failure of a Kaplan turbine blade has been analyzed. After the monitoring system detected a sudden increase in vibration levels, the turbine was inspected. The inspection showed that a large crack ...

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