Recent Submissions

  • Medidas sísmicas instantáneas del fondo marino 

    Roset Juan, Francesc Xavier; Trullols Farreny, Enric; Prat Farran, Joana d'Arc; Río Fernandez, Joaquín del; Massana Hugas, Immaculada; Carbonell Ventura, Montserrat; Toma, Daniel (2018)
    Conference report
    Open Access
    El proyecto INMARSIS ha desarrollado y desplegado un equipo marino anclado que suministra datos si´smicos en tiempo real. El sistema se basa en un sismo´metro submarino, una boya de superficie y un cable de amarre que los ...
  • Model based on an effective material-removal rate to evaluate specific energy consumption in grinding 

    Nápoles Alberro, Amelia; González Rojas, Hernan Alberto; Sánchez Egea, Antonio José; Hameed, Saqib; Peña Aguilar, Reyna Mercedes (Multidisciplinary Digital Publishing Institute (MDPI), 2019-03-21)
    Article
    Open Access
    Grinding energy efficiency depends on the appropriate selection of cutting conditions, grinding wheel, and workpiece material. Additionally, the estimation of specific energy consumption is a good indicator to control the ...
  • A novel method to determine the discharge coefficient of constant section nozzles under compressible dynamic flow conditions 

    Comas Amengual, Ángel; Río Cano, Carlos; Bergadà Granyó, Josep Maria (2019-07)
    Article
    Restricted access - publisher's policy
    The present paper introduces a novel transient experimental method employed to determine the discharge coefficient of constant section nozzles of small diameters of 1 to 3 mm and with a length/diameter ratio of around one. ...
  • Magnetic Mars dust-removal technology 

    Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (springer-Verlag, 2019-02-04)
    Article
    Restricted access - publisher's policy
    Environmental data recorded by the Mars exploration rovers show that the martian dust is magnetic containing mostly the strong magnetic mineral magnetite ( Fe3O4 ). On the other hand, it is known that dust settling onto ...
  • Sandbraking. A technique for landing large payloads on Mars using the sands of Phobos 

    Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2019-02)
    Article
    Restricted access - publisher's policy
    The basis of a novel braking technique by using the Phobos sands for landing large payloads on Mars is outlined. Here consideration is given to the utilization of the Phobos or Deimos regolith as material for aerobraking ...
  • Influence of draft tube water injection system on cavitation behaviour in a full-scale Francis turbine with visual access 

    Vilberg, Ingrid; Kjeldsen, Morten; Escaler Puigoriol, Francesc Xavier; Ekanger, Jarle; Nielsen, TK (2018)
    Conference report
    Restricted access - publisher's policy
    This 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 

    Hidalgo, V; Luo, X; Escaler Puigoriol, Francesc Xavier; Valencia, E.; Cruz, P (2018)
    Conference lecture
    Restricted access - publisher's policy
    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 ...
  • Dryout and replenishment of bottom-heated saturated porous media with an overlying plain water layer 

    Carbonell Ventura, Montserrat; Virto Albert, Luis; Gámez Montero, Pedro Javier (Multidisciplinary Digital Publishing Institute, 2018-12-13)
    Article
    Open Access
    The aim of this paper is to elucidate the influence of the physical properties of both phases—solid matrix and saturating liquid—of bottom-heated porous media with an overlying plain water layer. The dryout, the stability ...
  • Dynamic response of a NACA0009 hydrofoil under cavitation conditions 

    Escaler Puigoriol, Francesc Xavier; De La Torre, Oscar (2018)
    Conference report
    Restricted access - publisher's policy
    The 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 

    Mekala, Samuel Jedidiah; Fontanals García, Alfred; Guardo Zabaleta, Alfredo de Jesús (2019-01-01)
    Article
    Restricted access - publisher's policy
    Transesterification 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 ...
  • Simulation of high temperature superconductors and experimental validation 

    Olm Serra, Marc; Badia, Santiago; Martín Huertas, Alberto Francisco (2019-04)
    Article
    Restricted access - publisher's policy
    In this work, we present a parallel, fully-distributed finite element numerical framework to simulate the low-frequency electromagnetic behaviour of superconducting devices, which efficiently exploits high performance ...
  • A review of pzt patches applications in submerged systems 

    Presas, Alexandre; Luo, Yongyao; Wang, Zhengwei; Valentín Ruiz, David; Egusquiza Montagut, Mònica (Multidisciplinary Digital Publishing Institute (MDPI), 2018-07-12)
    Article
    Open Access
    Submerged 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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