Exploració per autor "Valencia, E."

Ara es mostren els items 1-8 de 8

    • Enhanced gamma-ray emission from neutron unbound states populated in beta decay 

      Taín Enríquez, José Luis; Valencia, E.; Algora, A.; Rubio, B.; Maurice, S.; Gelletly, W.; Fallot, M.; Rissanen, J.; Eronen, T.; Äystö, J.; Batist, L.; Bowry, M.; Caballero Folch, Roger; Gómez Hornillos, María Belén; Gorlychev, V.; Mendoza, E.; Moore, I.; Penttila, H.; Reponen, M.; Sonnenschein, V. (2015-08-06)
      Article
      Accés obert

    • Large eddy simulation of partial cavitation around a 2D plane-convex hydrofoil 

      Hidalgo, V.; Escaler Puigoriol, Francesc Xavier; Soto, R.; Valencia, E.; Cando, E.; Luo, X. (2015-02-02)
      Article
      Accés obert
      Investigations of attached partial cavitation are important because to prevent damages in hydrulic machinery and to reduce the costs. As expected computational fluid dynamics (CFD) methods have been developed for more ...

    • New Beta-delayed neutron measurements in the light-mass fission group 

      Äystö, J.; Caballero Folch, Roger; Calviño Tavares, Francisco; Eronen, T.; Gelletly, W.; Gómez Hornillos, María Belén; Moore, I.; Penttila, H.; Reponen, M.; Riego Pérez, Albert; Rissanen, J.; Rubio, B.; Valencia, E. (2014-06-01)
      Article
      Accés restringit per política de l'editorial
      A new accurate determination of beta-delayed neutron emission probabilities from nuclei in the low mass region of the light fission group has been performed. The measurements were carried out using the BELEN 4 pi neutron ...

    • 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)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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 ...

    • Numerical simulation of the cavitation micro-jet velocity and erosion on a plane-convex hydrofoil with semicylindrical obstacle 

      Hidalgo, V; Luo, X; Escaler Puigoriol, Francesc Xavier; Valencia, E.; Cruz, P (2018)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The 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 ...

    • Numerical simulation of the micro-jet velocity and cavitation-erosion on an axisymmetric nozzle 

      Hidalgo, V.; Escaler Puigoriol, Francesc Xavier; Luo, Xianwu; Valencia, E. (2018)
      Text en actes de congrés
      Accés obert
      The present study deals with the numerical study of the micro-jet velocity and the cavitation - erosion on an axisymmetric nozzle, which presents high ow unsteadiness and aggressiveness. The proposed model is based on ...

    • Rotatory 3D structured mesh study using openFOAM to simulate the flow in francis turbine 

      Hidalgo Díaz, Víctor Hugo; Cando, E.; Mora, Carlos; Escaler Puigoriol, Francesc Xavier; Velasco, M.; Simbaña, Stalyn Fabian; Puga, Diana; Valencia, E. (Elsevier, 2021)
      Article
      Accés obert
      The development of a methodology to simulate numerically the steady state flow field in Francis turbines was carried out using the open source CFD software OpenFOAM along with a MRF and AMI approach. A structured mesh ...

    • Scale adaptive simulation of unsteady cavitation flow around a plane convex hydrofoil with a semi-cylindrical obstacle 

      Hidalgo Díaz, Víctor Hugo; Escaler Puigoriol, Francesc Xavier; Diaz, A.; Luo, X; Simbaña, Stalyn Fabian; Marquez, D.; Hernandez, P.; Valencia, E. (Institute of Physics (IOP), 2021)
      Text en actes de congrés
      Accés obert
      The present study focuses on the numerical simulation of unsteady cavitating flow around a plane-convex hydrofoil with a semi-cylindrical obstacle, which is based on the cavitationerosion experiment perform at LMH-EPFL ...