Recent Submissions

  • The lid-driven right-angled isosceles triangular cavity flow 

    An, Bo; Bergadà Granyó, Josep Maria; Mellibovsky Elstein, Fernando (2019-09-25)
    Article
    Restricted access - publisher's policy
    We employ lattice Boltzmann simulation to numerically investigate the two-dimensional incompressible flow inside a right-angled isosceles triangular enclosure driven by the tangential motion of its hypotenuse. While the ...
  • Slingshot resonance for ocean wave energy conversion 

    Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (Springer, 2019-06-13)
    Article
    Restricted access - publisher's policy
    The slingshot effect and its application to converting ocean wave energy are discussed. It is shown that, owing to the large inertia transported by ocean waves and their periodicity, the slingshot effect can result in the ...
  • Hydrokinetic energy conversion using compliant surfaces 

    Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2019-05-21)
    Article
    Restricted access - publisher's policy
    In this work, consideration is given for a novel technology based on the use of compliant surfaces (membranes) for hydrokinetic energy conversion (HEC) from residual waters where the use of traditional turbines is either ...
  • Solar thermal panels for small-medium scale air cleaners in major cities 

    Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2019-03-01)
    Article
    Restricted access - publisher's policy
    Air quality in major cities is reaching worrisome levels across the planet owing to large-scale industrialization. As a result, air purification systems are becoming a fertile and emerging field for research. Here, ...
  • The Extractable hydrokinetic power from an oscillating membrane-based harvester 

    Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (Elsevier, 2019-01-22)
    Article
    Open Access
    The extractable hydrokinetic power from an oscillating membrane in standing motion and induced by a water flow and its possible significance with regard energy harvesting is discussed. The main attractiveness of such an ...
  • Failure investigation of a Kaplan turbine blade 

    Zhang, Ming; Valentin, 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 ...
  • Numerical Investigation into the Effect of Sound Speed in Attached Cavitation on Hydrofoil Modes of Vibration 

    Escaler Puigoriol, Francesc Xavier; De La Torre, Oscar (2019-05-09)
    Article
    Open Access
    It 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 ...
  • Experimental and Numerical Design and Evaluation of a Vibration Bioreactor using Piezoelectric Patches 

    Valentín Ruiz, David; Roehr, Charline; Presas Batlló, Alexandre; Heiss, Christian; Egusquiza Estévez, Eduard; Bosbach, Wolfram A. (Multidisciplinary Digital Publishing Institute (MDPI), 2019-01-21)
    Article
    Open Access
    n this present study, we propose a method for exposing biological cells to mechanical vibration. The motive for our research was to design a bioreactor prototype in which in-depth in vitro studies about the influence of ...
  • On thermocapillary rings from radioactive particles suspended at the surface of liquids 

    Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2019-07)
    Article
    Restricted access - publisher's policy
    Thermocapillary motion and its significance with regard the thermal behavior of heat sources and with particular reference to radioactive particles suspended in fluids is discussed. It shown that because the heat source, ...
  • 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 ...

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