Envíos recientes

  • Numerical modelling of the cooling system at alba synchrotron radiation facility to understand its performance 

    Escaler Puigoriol, Francesc Xavier; Prieto Moline, María Montserrat; Quispe Flores, Marcos; Kjeldsen, Morten; De La Torre, Oscar (American Society of Mechanical Engineers (ASME), 2017)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    The ALBA Synchrotron Light Source in Barcelona (Spain) requires a reliable, stable and adequate cooling system for its optimal operation. The current design with four long and intricate consumption lines with a ring type ...
  • On the use of PZT-Patches as exciters in modal analysis: application to submerged structures 

    Presas Batlló, Alexandre; Valentín Ruiz, David; Egusquiza Estévez, Eduard; Valero Ferrando, Ma. del Carmen; Egusquiza Montagut, Mònica; Bossio, Matias (Multidisciplinary Digital Publishing Institute (MDPI), 2016)
    Texto en actas de congreso
    Acceso abierto
    Modal Analysis is an experimental technique widely used to determine the dynamic response of structures. One of the most critical part is the selection of the actuator that will excite the tested structure. In many cases, ...
  • Simulations and design of a sea moored buoy with a real time data undersea seismometer 

    Carbonell Ventura, Montserrat; Massana Hugas, Immaculada; Prat Farran, Joana d'Arc; Trullols Farreny, Enric; Río Fernandez, Joaquín del (2017)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    In this paper we present numerical simulations performed prior to the deployment of a real-time seismic buoy in the Alboran Sea (Western Mediterranean), in an active seismic area at 250-300m depth. Due to the inherent ...
  • A tentative mechanism for dust vertical transport at extreme altitudes from the collapse of supersaturated tropospheric cavities on Mars with particular reference to march 2012 event 

    Arias Montenegro, Francisco Javier (2017)
    Texto en actas de congreso
    Acceso abierto
    Consideration is given to the formation and collapse of supersaturated tropospheric cavities on Mars for dust vertical transport at extreme altitudes as a tentative mechanism explaining the martian march-2012 plume. It ...
  • Gravitomagnetic separation of bipolar charged martian dust 

    Arias Montenegro, Francisco Javier (2017)
    Comunicación de congreso
    Acceso abierto
    The possible role of magnetic anomalies on Mars in gravitational enhancement of separation of charged dust is considered. It is known that charges become spatially separated by differential transport and gravitational ...
  • The response of an elastic membrane to an external flow as drag enhancement technique 

    Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (American Institute of Aeronautics and Astronautics (AIAA), 2017)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    The response of an elastic membrane to an external flow and its significance with regard to aerodynamic drag enhancement technique is discussed. It is shown that because the response of an elastic membrane to an external ...
  • The flow over a high-viscosity fluid layer as a drag enhancement technique 

    Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (American Institute of Aeronautics and Astronautics (AIAA), 2017)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    It is well known that hydrodynamic drag reduction can be obtained by locally surround-ing an immersed solid boundary with another low viscosity-fluid resulting in a lubricating effect. In aerodynamics propulsion, this ...
  • Parametric analysis of active flow control using steady suction and steady blowing 

    Prakash, Bhanu; Mellibovsky Elstein, Fernando; Bergadà Granyó, Josep Maria (2017)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    Active Flow Control is implemented over NACA 2412 airfoil using Steady Suctionand Steady Blowing techniques. The pre-stall angle of attack (AOA) 12 0 is studied at a high Reynolds number (Re chord ) of 3.1*10 6 for ...
  • NACA 2412 performance modification via using AFC 

    Summ, Thorsten; Prakash, Bhanu; Bergadà Granyó, Josep Maria; Wierschem, Andreas; Mellibovsky Elstein, Fernando (2017)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    The NACA 2412 profile was numerically studied via employing 2D-DNS and implementing Active Flow Control (AFC), the Reynolds number considered was 6757, being the angle of attack of 8º. Initially, the basic flow without ...
  • Fluidic actuator performance variation via internal dimensions modifications 

    Baghaei, Masoud; Bergadà Granyó, Josep Maria; Campo Sud, David del (2017)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    When aimed to modify the downstream vortex shedding of a given bluff body, whether any road vehicle or wing profile, the use of Active Flow Control (AFC) appears to be an efficient technology. Among the different (AFC) ...
  • Square cylinder with passive flow control 

    An, Bo; Bergadà Granyó, Josep Maria; Mushyam, Aditya (2017)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    In the present paper it is presented the flow around a 2D square cylinder which is located downstream of a splitter plate and at a certain distance of it. The fluid velocity below and above the splitter plate is different, ...
  • Thermo-fluid numerical simulation of the crotch absorbers’ cooling pinholes for alba storage ring 

    Escaler Puigoriol, Francesc Xavier; Arbó, Victor; Casas, Joan; Colldelram, Carles; Quispe, Marcos; Prieto Moline, María Montserrat (2016)
    Comunicación de congreso
    Acceso abierto
    The ALBA Synchrotron Light Facility crotch absorbers, that remove the unused storage ring radiation, incorporate an internal cooling system composed by a number of parallel pinholes and by the corresponding stainless steel ...

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