Enviaments recents

  • NACA 2412 performance modification via using AFC 

    Summ, Thorsten; Prakash, Bhanu; Bergadà Granyó, Josep Maria; Wierschem, Andreas; Mellibovsky Elstein, Fernando (2017)
    Text en actes de congrés
    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 ...
  • Fluidic actuator performance variation via internal dimensions modifications 

    Baghaei, Masoud; Bergadà Granyó, Josep Maria; Campo Sud, David del (2017)
    Text en actes de congrés
    Accés restringit per política de l'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) ...
  • Experimental study of the roof thermal performance influence over the mean radiant interior temperature of an industrial building 

    Torres Quezada, Jefferson; Coch Roura, Helena; Crespo Cabillo, Isabel; Isalgue Buxeda, Antonio (Network for Comfort and Energy Use in Building, 2017)
    Text en actes de congrés
    Accés obert
    Industrial building rehabilitation is one the latest trends within the field of sustainable development. However, these interventions often disregard the issue of user comfort, despite being the most important factor of ...
  • Thermo-fluid study of the upc race-track microtron cooling system 

    Escaler Puigoriol, Francesc Xavier; Koubychine Merkulov, Youri Alexandrovich; Blasco Argente, Vicente Pablo; Romero Perea, Juan Antonio; Sánchez Díaz, Alexandre; Prieto, M.; Shvedunov, V.I. (2016)
    Comunicació de congrés
    Accés obert
    The cooling system of the race-track microtron (RTM), which is under construction at the Universitat Politècnica de Catalunya (UPC), has been simulated by means of a computational fluid dynamics (CFD) software. The hydraulic ...
  • Grupo de investigación en cooperación y desarrollo humano (GRECDH-UPC). Implementación y mejora de la tecnología de los biodigestores familiares en países andinos 

    Ferrer Martí, Ivet; Poggio, Davide; Mas, A.; Batet Miracle, Lluís; Velo García, Enrique (2008)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    El Grupo de Investigación en Cooperación y Desarrollo Humano (GRECDH) está constituido por personal docente e investigador de diferentes departamentos y Escuelas de la Universitat Politècnica de Catalunya (UPC). Dentro del ...
  • The Stanford-ESA integrity diagram: focusing on SBAS integrity 

    Tossaint, Michel Mathias Maria; Samson, Jaron; Toran, Felix; Ventura Traveset, Javier; Sanz Subirana, Jaume; Hernández Pajares, Manuel; Juan Zornoza, José Miguel (ION Publications (The Institute of navigation), 2016)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    In this article, a new concept for SBAS integrity validation is presented. The proposed concept is a modification of the well known Stanford diagram [2], where a 2D histogram shows the relationship of position errors against ...
  • Towards a direct numerical simulation of a lifted CH4-air diffusion flame 

    Ventosa Molina, Jordi; Lehmkuhl Barba, Oriol; Pérez Segarra, Carlos David; Oliva Llena, Asensio (Begell House, 2015)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The near field jet of a self-igniting methane-air diffusion jet flame is studied by means of Direct Numerical Simulation (DNS) and a Flamelet/Progress-Variable (FPV) model to include detailed chemistry. Hence, all flow and ...
  • Simulations and analysis of beam quality improvement in spatially modulated broad area edge-emitting devices 

    Radziunas, Mindaugas; Herrero Simon, Ramon; Botey Cumella, Muriel; Staliunas, Kestutis (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2014)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    We simulate and analyze how beam quality improves while being amplified in edge emitting broad area semiconductor amplifiers with a periodic structuring of the electrical contacts, in both longitudinal and lateral directions. ...
  • Experimental study of different LFF regimes in semiconductor lasers with an external cavity 

    Aragoneses Aguado, Andrés; Zamora Munt, Jordi; Tiana Alsina, Jordi; Torrent Serra, Maria del Carmen; Masoller Alonso, Cristina (2011)
    Comunicació de congrés
    Accés restringit per política de l'editorial
  • Analysis of nonlinear and non-smooth dynamics of a self-oscillating series resonant inverter 

    Benadero García-Morato, Luis; Ponce Núñez, Enrique; El Aroudi, Abdelali (2017)
    Text en actes de congrés
    Accés obert
    In this paper, the dynamics of a dc-ac resonant self-oscillating LC series inverter is analyzed from the point of view of piecewise smooth dynamical systems. Our system is defined by two symmetric configurations and its ...

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