Enviaments recents

  • Monte Carlo simulations of the n TOF lead spallation target with the Geant4 toolkit: A benchmark study 

    Lerendegui-Marco, J.; Cortés-Giraldo, M.A.; Guerrero Sánchez, Carlos; Calviño Tavares, Francisco; Casanovas Grau, Albert; Cortés Rossell, Guillem Pere (EDP Sciences, 2016)
    Comunicació de congrés
    Accés obert
    Monte Carlo (MC) simulations are an essential tool to determine fundamental features of a neutron beam, such as the neutron flux or the ¿ -ray background, that sometimes can not be measured or at least not in every position ...
  • The n TOF facility: Neutron beams for challenging future measurements at CERN 

    Chiaveri, E.; Aberle, O.; Andrzejewski, Józef; Calviño Tavares, Francisco; Casanovas Grau, Albert; Cortés Rossell, Guillem Pere; Tarifeño Saldivia, Ariel Esteban (EDP Sciences, 2016)
    Comunicació de congrés
    Accés obert
    The CERN n TOF neutron beam facility is characterized by a very high instantaneous neutron flux, excellent TOF resolution at the 185m long flight path (EAR-1), low intrinsic background and coverage of a wide range of neutron ...
  • 7Be(n,alpha) and 7Be(n,p) cross-section measurement for the cosmological lithium problem at the n TOF facility at CERN 

    Barbagallo, Massimo; Colonna, Nicola; Aberle, O.; Calviño Tavares, Francisco; Casanovas Grau, Albert; Cortés Rossell, Guillem Pere; Tarifeño Saldivia, Ariel Esteban (EDP Sciences, 2016)
    Comunicació de congrés
    Accés obert
    The Cosmological Lithium Problem refers to the large discrepancy between the abundance of primordial 7Li predicted by the standard theory of Big Bang Nucleosynthesis and the value inferred from the so-called “Spite plateau” ...
  • Time-of-flight and activation experiments on 147 Pm and 171 Tm for astrophysics 

    Guerrro Sánchez, Carlos; Lerendegui-Marco, J.; Domingo-Pardo, C; Calviño Tavares, Francisco; Casanovas Grau, Albert; Cortés Rossell, Guillem Pere; Tarifeño Saldivia, Ariel Esteban (EDP Sciences, 2016)
    Comunicació de congrés
    Accés obert
    The neutron capture cross section of several key unstable isotopes acting as branching points in the s-process are crucial for stellar nucleosynthesis studies, but they are very challenging to measure due to the difficult ...
  • Characterization of the n TOF EAR-2 neutron beam 

    Chen, Y.L.; Tassan Got, Laurence; Audouin, Ludmila; Calviño Tavares, Francisco; Casanovas Grau, Albert; Cortés Rossell, Guillem Pere (EDP Sciences, 2016)
    Comunicació de congrés
    Accés obert
    The experimental area 2 (EAR-2) at CERNs neutron time-of-flight facility (n TOF), which is operational since 2014, is designed and built as a short-distance complement to the experimental area 1 (EAR-1). The Parallel Plate ...
  • Nonlinear model predictive control for hydrogen production in an ethanol steam reformer with membrane separation 

    Pérez Contreras, Eloi; Serra, Maria; Ocampo-Martínez, Carlos; Llorca Piqué, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Text en actes de congrés
    Accés obert
    This paper presents a new Nonlinear Model Predictive Control (NMPC) design for an Ethanol Steam Reformer with Pd-Ag membrane separation stage. The reformer is used to produce pure hydrogen able to feed a Proton Exchange ...
  • Dynamic modeling of pure hydrogen production via bio-ethanol steam reforming in a catalytic membrane reactor 

    Hedayati, Ali; Le Corre, Oliver; Lacarriere, Bruno; Llorca Piqué, Jordi (2015)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Ethanol steam reforming was performed in a catalytic membrane reactor (CMR) containing Pd-Ag membrane tubes selective to hydrogen and Pd-Rh/CeO2 catalyst. Experiments were performed at 923 K, 6-10 bar, and fuel flow rates ...

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