NERG - Grup de Recerca d'Enginyeria Nuclear: Enviaments recents

Ara es mostren els items 1-12 de 35

    • Xenon-133 and caesium-137 releases into the atmosphere from the Fukushima Dai-ichi nuclear power plant: Determination of the source term, atmospheric dispersion, and deposition 

      Stohl, Andreas; Seibert, Petra; Wotawa, Gerhard; Arnold Arias, Dèlia; Burkhart, J. F.; Eckhardt, Sabine; Tapia Fernández, Carlos; Vargas Drechsler, Arturo; Yasunari, Teppei J. (2012-03-01)
      Article
      Accés obert
      On 11 March 2011, an earthquake occurred about 130 km off the Pacific coast of Japan's main island Honshu, followed by a large tsunami. The resulting loss of electric power at the Fukushima Dai-ichi nuclear power plant ...

    • Methodology for the improvement of the AINA code wall-model applied to DEMO WCPB blanket 

      Fabbri, Marco; Blas del Hoyo, Alfredo de; Riego Pérez, Albert; Dies Llovera, Javier; Zamora Poveda, Imanol; Baeza Pérez, Eduard (2017-11)
      Article
      Accés obert
      The present work describes and supports the methodology for the improvement of the wall model devel-oped in AINA and its specific application to the Japanese DEMO Water Cooled Pebbled Bed. The set-upand application of this ...

    • Measurement of the 238 U ( n , gamma ) cross section up to 80 keV with the Total Absorption Calorimeter at the CERN n_TOF facility 

      Wright, T.; Guerrero, C.; Billowes, J.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Hernández Prieto, Álvaro; Riego Pérez, Albert; Tarifeño Saldivia, Ariel Esteban (AMER PHYSICAL SOC, 2017-12-01)
      Article
      Accés obert
      The radiative capture cross section of a highly pure (99.999%), 6.125(2) grams and 9.56(5) 10-4 atoms/barn areal density 238-U sample has been measured with the Total Absorption Calorimeter (TAC) in the 185 m flight path ...

    • Desarrollo del código de seguridad para reactores de fusión AINA 4 para los análisis de seguridad de los diseños europeos de DEMO 

      Baeza Pérez, Eduard; Blas del Hoyo, Alfredo de; Riego Pérez, Albert; Fabbri, Marco (2017)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Durante los últimos diez años, el código de seguridad AINA ha sido desarrollado con el objetivo de evaluar la evolución del plasma y los esfuerzos padecidos por los componentes internos de la vasija en distintos reactores ...

    • Determinación en continuo de la radiactividad gamma ambiental en aerosoles con fines de vigilancia radiológica 

      Blas del Hoyo, Alfredo de; Toral, Juan; Riego Pérez, Albert; Sánchez Viñes, Javier; Tapia Fernández, Carlos; Colomer Batalla, Enric (2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      El trabajo presentado forma parte del proyecto de mejora de la Red de Vigilancia Radiológica de la Generalitat de Catalunya. Una parte de este proyecto implica la incorporación de estaciones con equipos de determinación ...

    • Conceptual design of a hybrid neutron-gamma detector for study of ß-delayed neutrons at the RIB facility of RIKEN 

      Tarifeño Saldivia, Ariel Esteban; Taín Enríquez, José Luis; Domingo Pardo, César; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Phong, V.H.; Riego Pérez, Albert; Agramunt Ros, Jorge; Algora, A. (2017-04-07)
      Article
      Accés obert
      The conceptual design of the BRIKEN neutron detector at the radioactive ion beam factory (RIBF) of the RIKEN Nishina Center is reported. The BRIKEN setup is a complex system aimed at detecting heavy-ion implants, ß particles, ...

    • First evidence of multiple ß-delayed neutron emission for isotopes with A > 100 

      Caballero-Folch, R.; Dillmann, I.; Agramunt Ros, Jorge; Tan, J.L.; Domingo Pardo, César; Äystö, J.; Calviño Tavares, Francisco; Canete, L.; Eronen, T.; Ganioglu, E.; Gelletly, W.; Gorelov, D.; Guadilla, V.; Hakala, J.; Jokinen, A.; Kankainen, A.; Kolhinen, V.S.; Koponen, J.; Marta, M.; Mendoza Cembrano, Emilio; Montaner Piza, A.; Moore, I.; Nobs, Ch.; Orrigo, S.; Penttila, H.; Pohjalainen, I.; Reinikainen, J.; Riego Pérez, Albert; Rinta-Antila, S.; Rubio, B.; Salvador Castiñeira, Paula Genoveva; Simutkin, V.; Voss, A.; Cortés Rossell, Guillem Pere (2017-03-01)
      Article
      Accés obert
      The beta-delayed neutron emission probability, P-n, of very neutron-rich nuclei allows us to achieve a better understanding of the nuclear structure above the neutron separation energy, S-n. The emission of neutrons can ...

    • Integral cross section measurement of the12C(n,p)12B reaction 

      Žugec, Petar; Colonna, Nicola; Bosnar, Damir; Ventura, A.; Altstadt, Sebastian; Andrzejewski, Józef; Audouin, Ludmila; Barbagallo, Massimo; Bécares, Vicente; Berthoumieux, Eric; Brugger, Matthias; Calviani, Marco; Calviño Tavares, Francisco; Cano Ott, Daniel; Riego Pérez, Albert (2015)
      Text en actes de congrés
      Accés obert
      The integral cross section of the12C(n, p)12B reaction was measured at the neutron time of flight facility nTOF at CERN, from the reaction threshold at 13.6 MeV up to 10 GeV, by means of the combined activation and a ...

    • A new code for spectrometric analysis for environmental radiological surveillance on monitors focused on gamma radioactivity on aerosols 

      Blas del Hoyo, Alfredo de; Riego Pérez, Albert; García Sánchez, Roger; Tapia Fernández, Carlos; Dies Llovera, Javier; Toral, Juan; Batalla, Enric; Díaz Bayona, Pedro (2016-06)
      Article
      Accés obert
      This paper presents a new code for the analysis of gamma spectra generated by an equipment for continuous measurement of gamma radioactivity in aerosols with paper ¿lter. It is called pGamma and has been developed by the ...

    • Equipment for the continuous measurement and identification of gamma radioactivity on aerosols 

      Blas del Hoyo, Alfredo de; Toral, Juan; Tapia Fernández, Carlos; Riego Pérez, Albert; García Sánchez, Roger; Dies Llovera, Javier; Batalla, Enric; Díaz Bayona, Pedro (2016-06)
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      Accés obert
      This paper describes an equipment for continuous measurement and identification of gamma radioactivity in aerosols developed by the Nuclear Engineering Research Group (NERG) at the Technical University of Catalonia (UPC) ...

    • Experimental setup and procedure for the measurement of the 7Be(n,alpha)alpha reaction at n_TOF 

      Cosentino, L.; Musumarra, A.; Barbagallo, Massimo; Calviño Tavares, Francisco; Casanovas, Adria; Cortés Rossell, Guillem Pere; Riego Pérez, Albert; Tarifeño Saldivia, Ariel Esteban (2016-09-11)
      Article
      Accés obert
      The newly built second experimental area EAR2 of the n_TOF spallation neutron source at CERN allows to perform (n, charged particles) experiments on short-lived highly radioactive targets. This paper describes a detection ...

    • Development and assessment of fire-related risk unavailability matrices to support the application of the maintenance rule in a PWR nuclear power plant 

      Díaz Bayona, Pedro; Estruch Traveria, Enric; Dies Llovera, Javier; Tapia Fernández, Carlos; Blas del Hoyo, Alfredo de; Asamoah, Matthew (2016-06-17)
      Article
      Accés obert
      Two methods are presented which serve to incorporate the fire-related risk into the current practices in nuclear power plants with respect to the assessment of configurations. The development of these methods is restricted ...