Enviaments recents

  • Human-in-the-loop performance assessment of optimized descents with time Constraints. Results from full motion flight simulation and a flight testing campaign 

    Prats Menéndez, Xavier; Dalmau Codina, Ramon; Verhoeven, Ronald; Bussink, Frank (2017)
    Text en actes de congrés
    Accés obert
    TEMO (time and energy managed operations) is a new concept that aims to optimise continuous descent operations, while fulfilling with a very high accuracy controlled time of arrival (CTA) constraints at ...
  • Study of stochastic models for subgrid dispersion in Lagrangian-Eulerian formulation 

    Muela Castro, Jordi; Lehmkuhl Barba, Oriol; Oliva Llena, Asensio (Springer, 2018)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Dispersed multiphase turbulent flows are present in many industrial and commercial applications like internal combustion engines, turbofans, dispersion of contaminants, steam turbines, etc. Therefore, there is a clear ...
  • Including linear holding in air traffic flow management for flexible delay handling 

    Xu, Yan; Prats Menéndez, Xavier (2017)
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    Accés obert
    This paper introduces a strategy to include linear holding into air traffic flow management (ATFM) initiatives, together with the commonly used ground holding and airborne holding measures. In this way, ATFM performance ...
  • Sliding bifurcations in resonant inverters 

    El Aroudi, Abdelali; Ponce Núñez, Enrique; Benadero García-Morato, Luis; Martínez Salamero, Luis (2017)
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    Accés restringit per política de l'editorial
    In this paper, the switching dynamics of a dc-ac resonant self-oscillating inverter is considered. Using bifurcation analysis coexisting steady-state solutions are predicted, which are increasingly ...
  • Ensayos de flameo: procedimientos y herramientas de análisis modal 

    Barros Rodríguez, José; Flores Le Roux, Roberto Maurice (Fundación Rogelio Segovia para el Desarrollo de las Telecomunicaciones (Fundetel), 2013)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    El flameo es un fenómeno vibratorio que puede llevar a la destrucción de una aeronave en vuelo. Los ensayos en vuelo de flameo, dentro del proceso de integración de Armamento en Plataformas Aéreas, tienen por objeto ...
  • Restaurantes con silencios a la carta: aportación a la investigación acústico - arquitectónica relativa a una óptima inteligibilidad 

    Caballero Marcos, Isabel Amaya; Roset Calzada, Jaime; Daumal Domènech, Francesc de Paula; Zamora i Mestre, Joan-Lluís (Sociedad Española de Acústica, 2017)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    The present study aims to propose basic recommendations to follow in the design of restaurants for them to be acoustically ideal. Complying with recommendations of good hotel practices and fire and acoustic regulation, we ...
  • Hydrological and sedimentary analysis of two recent flash floods in a Mediterranean basin with major changes in land uses and channel shape (Sió River, NE Iberian Peninsula) 

    Balasch Solanes, Josep Carles; García-Rodríguez, David; Tuset Mestre, Jordi; Ruiz Bellet, Josep Lluís; Rodríguez-Ochoa, Rafael; Jacquet, Eisharc; Barriendos Valve, Mariano; Castelltort Aiguabella, Xavier; Pino González, David (2017)
    Comunicació de congrés
    Accés obert
    Two important rain events occurred in November 2015 and November 2016 in the Sió River basin (150 km2), a small tributary of the Segre River, within the Ebro River basin (NE Iberian Peninsula), caused two considerable flash ...
  • Combining the assignment of pre-defined routes and RTAs to sequence and merge arrival traffic 

    Dalmau Codina, Ramon; Alenka, Justinas; Prats Menéndez, Xavier (2017)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Continuous descent operations (CDO) with required times of arrival (RTAs) have been identi ed as a potential solution to reduce the environmental impact without compromising capacity. However, in high traffic scenarios ...
  • Comparison of fatigue crack growth of riveted and bonded aircraft lap joints made of Aluminium alloy 2024-T3 substrates – A numerical study 

    Pitta, Siddharth; Rojas Gregorio, José Ignacio; Crespo Artiaga, Daniel (Institute of Physics (IOP), 2017)
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    Accés obert
    Aircraft lap joints play an important role in minimizing the operational cost of airlines. Hence, airlines pay more attention to these technologies to improve efficiency. Namely, a major time consuming and costly process ...
  • Race-track microtron with pulse-to-pulse beam energy switch 

    Koubychine Merkulov, Youri Alexandrovich; Shvedunov, Vasiliy; Vladimirov, Ivan (2017)
    Comunicació de congrés
    Accés obert
    A race-track microtron with a few beam orbits can be an alternative to a standard electron linear accelerator in a number of applications in which high beam power is not needed, like radiation therapy, industrial radiography ...
  • Parametric analysis of active flow control using steady suction and steady blowing 

    Prakash, Bhanu; Mellibovsky Elstein, Fernando; Bergadà Granyó, Josep Maria (2017)
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    Accés restringit per política de l'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)
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    Accés restringit per política de l'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 ...

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