CDIF - Centre de Diagnòstic Industrial i Fluidodinàmica
La recerca del CDIF està relacionada amb el comportament dinàmic d'estructures confinades excitades per fluids. La recerca del comportament dinàmic requereix del estudi de les excitacions generades per un fluid i la resposta estructural per determinar els comportaments vibratoris i les deformacions. L'aplicació principal està en les turbomàquines hidràuliques (sector energies renovables).
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Articles de revista [19]
Recent Submissions
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Effects of attached blade cavitation on the natural frequencies of a Francis runner
(Shanghai University Press, 2019)
Conference report
Open AccessEffects of attached blade cavitation on the natural frequencies of a Francis runner -
Unsteady numerical simulation of suction side leading edge cavitation in a Francis turbine runner
(Shanghai University Press, 2019)
Conference report
Open AccessCavitation appearance within the runner of the water turbines is a common problem that induces vibrations and provokes the erosion of the blades. Although many investigations have been carried out in simple configurations ... -
Failure investigation of a Kaplan turbine blade
(Elsevier, 2019-03-01)
Article
Restricted access - publisher's policyIn 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 ... -
Numerical Investigation into the Effect of Sound Speed in Attached Cavitation on Hydrofoil Modes of Vibration
(2019-05-09)
Article
Open AccessIt has been found recently that the dynamic behavior of a cavitating hydrofoil is di erent from that in pure water in that, not only are the natural frequencies di erent, but the mode shapes may also change. In order to ... -
Recommendations for the simulation of unsteady cloud cavitation around 2D hydrofoils with density corrected model
(Shanghai University Press, 2019)
Conference report
Open AccessNumerical simulationresultsof unsteady cavitation flowson 2D hydrofoilsdependon theselectionof the turbulence and cavitationmodelsas well as the valueof the exponential coefficient nin the Reboud’scorrection.The aim of the ... -
Numerical simulation of cavitation in a Francis runner under different operating conditions
(Shanghai University Press, 2019)
Conference report
Open AccessThe behavior of suction side leading edge cavitation on the runner blades of the GAMM Francis turbine has been investigated under different operating conditions at the best efficiency point (BEP) and at off-design operations. ... -
Mapping Venturi cavitation in a new closed loop facility devoted to study thermodynamic effects
(Shanghai University Press, 2019)
Conference report
Restricted access - publisher's policyThe influence of cavitation in water heating processes is still an unknown issue. To develop such knowledge, Universitat Politècnica de Catalunya-BarcelonaTech (UPC), in collaboration with the Spanish environmental engineering ... -
Influence of draft tube water injection system on cavitation behaviour in a full-scale Francis turbine with visual access
(2018)
Conference report
Restricted access - publisher's policyThis paper describes the results of a comprehe nsive and ongoing project to control unsteady fluid - dynamic behaviour and associated effects at Svorka hydro power plant (25 MW, 260 m, 600 rpm), operated by Statkraft in ... -
Numerical simulation of the cavitation micro-jet velocity and erosion on a plane-convex hydrofoil with semicylindrical obstacle
(2018)
Conference lecture
Restricted access - publisher's policyThe present study deals with the numerical study of the cavitation micro–jet velocity and erosion on a plane–convex hydrofoil with semicylindrical obstacle, which induces a big cluster of cavities with a strong erosive ... -
Dynamic response of a NACA0009 hydrofoil under cavitation conditions
(2018)
Conference report
Restricted access - publisher's policyThe dynamic response of an hydraulic machine is greatly affected by the water due to the added mass effect . However, the presence of cavitation can change the modal response of the coupled fluid - structure system because ... -
CFD study of the supercritical transesterification of triolein: Wall-to-fluid/particle-to fluid transport effects
(2019-01-01)
Article
Restricted access - publisher's policyTransesterification of triglycerides is a process by which biodiesel is produced. Biodiesel is a sustainable alternative to petroleum diesel; hence, its efficient production is of significant importance. The transesterification ... -
A review of pzt patches applications in submerged systems
(Multidisciplinary Digital Publishing Institute (MDPI), 2018-07-12)
Article
Open AccessSubmerged systems are found in many engineering, biological, and medicinal applications. For such systems, due to the particular environmental conditions and working medium, the research on the mechanical and structural ...
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