Browsing by Subject "Energia nuclear"

Now showing items 1-20 of 78

    • 197-Au(n,gamma ) cross section in the unresolved resonance region 

      Poch Parés, Agustí; Praena, J.; Pretel Sánchez, Carme; Igashira, M.; Quesada, J.; Pigni, M.T.; Jericha, E.; Plag, R.; Isaev, S.; Plompen, A.; Karadimos, D.; Cennini, P.; Carrapiço, C.; Carrillo de Albornoz, A.; Cano-Ott, D.; Capote, R.; Calviani, M.; Calviño Tavares, Francisco; Belloni, F.; Berthoumieux, E.; Perrot, L.; Martínez, T.; Pavlopoulos, P.; Pancin, J.; Papachristodoulou, C.; O'Brien, S.; Oshima, M.; Patronis, N.; Pavlik, A.; Papadopoulos, C.; Paradela, C.; Oberhummer, H.; Lozano, M.; Neves, F.; Mosconi, M.; Tassan-Got, L.; Mastinu, P.; Tarrío, D.; Mendoza, E.; Terlizzi, R.; Milazzo, P.M.; Tavora, L.; Moreau, C.; Losito, R.; Vaz, P.; Vannini, G.; Márques, L.; Villamarin, D.; Marrone, S.; Ventura, A.; Tagliente, G.; Marganiec, J.; Lukic, S.; Baumann, P.; Barbagallo, M.; Wisshak, K.; Plukis, A.; Badurek, G.; Lindote, A.; Wiescher, M.; Audouin, L.; Lopes, I.; Wendler, H.; Assimakopoulos, P.A.; Lampoudis, C.; Walter, S.; Andrzejewski, J.; Kadi, Y.; Leeb, H.; Andriamonje, S.; Kossionides, E.; Krticka, M.; Álvarez-Velarde, F.; Álvarez, H.; Aerts, G.; Becvár, F.; Konovalov, V.; Vlastou, R.; Rauscher, T.; Koehler, P.; Voss, F.; Ketlerov, V.; Kerveno, M.; Vlachoudis, V.; Karamanis, D.; Reifarth, R.; Abbondanno, U.; Griesmayer, E.; Lederer, C.; Guerrero, C.; Colonna, N.; Haas, B.; Domingo-Pardo, C.; Haight, R.; Gunsing, F.; Heil, M.; Käppeler, F.; Herrera-Martinez, A.; Massimi, C.; Mengoni, A.; Wallner, A.; Sarmento, R.; Savvidis, I.; Santos, C.; Sarchiapone, L.; Rullhusen, P.; Gramegna, F.; Salgado, J.; Goverdovski, A.; Rubbia, C.; Gonzalez-Romero, E.; Rudolf, G.; Goncalves, I.; Stephan, C.; Rosetti, M.; Ferreira-Marques, R.; Fitzpatrick, L.; Ferrant, L.; Ferrari, A.; Furman, W.; Frais-Koelbl, H.; Fujiii, K.; Duran, I.; Embid-Segura, M.; Eleftheriadis, C.; David, S.; Dillmann, I.; Dolfini, R.; Dridi, W.; Cortés Rossell, Guillem Pere; Couture, A.; Cox, J.; Dahlfors, M.; Chiaveri, E.; Chepel, V.; Taín Enríquez, José Luis (2011-03-17)
      Article
      Restricted access - publisher's policy
      The cross section of the reaction 197Au(n,γ ) was measured with the time-of-flight technique at the n TOF (neutron time-of-flight) facility in the unresolved resonance region between 5 and 400 keV using a pair of C6D6 (where ...

    • 202. Salvem l'aire 

      Universitat Politècnica de Catalunya. Rectorat (Oficina de comunicació i relació amb els mitjans, 2007-11)
      Article
      Open Access

    • 237-Np(n,f) cross section: new data and present status 

      Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (2011-08-12)
      Article
      Restricted access - publisher's policy
      In this document, we present the nal result obtained at the n TOF experiment for the neutron- induced ssion cross section of the 237Np, from the ssion threshold up to 1 GeV. The method applied to get this result is ...

    • 238U(n, gamma) reaction cross section measurement with C6D6 detectors at the n_TOF CERN facility. 

      Mingrone, Federica; Massimi, Cristian; Vannini, Gianni; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Hernández Prieto, Álvaro; Riego Pérez, Albert (2013)
      Conference report
      Open Access
      The radiative capture cross section of 238U is very important for the developing of new reactor technologies and the safety of existing ones. Here the preliminary results of the 238U(n,¿) cross section measurement performed ...

    • 96Zr(n,gamma ) measurement at the n TOF facility at CERN 

      Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Pretel Sánchez, Carme; Poch Parés, Agustí (2011-03-17)
      Article
      Restricted access - publisher's policy
      The (n,γ ) cross section of 96Zr has been investigated at the CERN n TOF spallation neutron source. Highresolution time-of-flight measurements using an enriched ZrO2 sample allowed us to analyze 15 resonances below 40 ...

    • Adapting the Thermal Cycle of A Waste-to-Energy (WtE) Plant to a Higher Performance 

      Chuesiri, Nathapol (Universitat Politècnica de Catalunya, 2007-06)
      Master thesis
      Open Access
      The objective of the project is to evaluate the best way of adapting the thermal cycle of a Waste-to-Energy (WtE) plant to a higher performance. Current situation The current thermal cycle, the furnace/boiler allows a ...

    • Analysis of Changes in the Regulations of the MSPI Indicator 

      Albaladejo Castelló, Eduard (Universitat Politècnica de Catalunya, 2020-07-16)
      Master thesis
      Open Access
      This project is based on the revision and update proposal of document PA.IV.202 Rev.2 “Calculation Manual of the Performance Indicator of Mitigation Systems (MSPI)”. This document is used by the Spanish Nuclear Safety ...

    • Análisis de los valores de fiablilidad APS de una central nuclear 

      Torné Capilla, Eduard (Universitat Politècnica de Catalunya, 2020-07-16)
      Bachelor thesis
      Restricted access - author's decision
      En 2019 la energía nuclear fue la segunda fuente de generación de energía eléctrica en España con un 22,6% de la producción. La energía nuclear se produce mediante una reacción nuclear que a su vez genera materiales ...

    • Approaching the precursor nuclei of the third r-process peak with RIBs 

      Domingo-Pardo, C; Agramunt Ros, Jorge; Algora, A.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere (Institute of Physics (IOP), 2013)
      Conference lecture
      Open Access
      The rapid neutron nucleosynthesis process involves an enormous amount of very exotic neutron-rich nuclei, which represent a theoretical and experimental challenge. Two of the main decay properties that affect the final ...

    • Binary systems and their nuclear explosions 

      Isern Vilaboy, Jordi; Hernanz Carbó, Margarita; José Pont, Jordi (Springer, 2018-08-01)
      Part of book or chapter of book
      Open Access

    • CFD Simulation of Single Phase Mixing in a 4x4 Rod Bundle with Different Spacers 

      Santolaria Pérez, Lluís (Universitat Politècnica de Catalunya, 2018)
      Master thesis
      Open Access
      Covenantee:   Eidgenössische Technische Hochschule Zürich
      Enhancing heat transfer between fuel rods and coolant is one of the main goals of nuclear engineering. Spacer grids equipped with mixing vanes are placed inside nuclear fuel assemblies to enhance the lateral velocities ...

    • Characterization of the new n_TOF neutron ream: fluence, profile and resolution 

      Bécares, Vicente; Cano Ott, Daniel; Calviani, Marco; Andriamonje, S.; Brugger, Matthias; Andrzejewski, Józef; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén (2011-08-12)
      Article
      Restricted access - publisher's policy
      After a halt of four years, the n TOF spallation neutron facility at CERN has resumed operation in November 2008 with a new spallation target characterized by an improved safety and engineering design, resulting in a ...

    • Code improvement and model validation for Asco-II Nuclear Power Plant model using a coupled 3D neutron kinetics/thermal-hydraulic code 

      Pericas Casals, Raimon; Ivanov, K; Reventós Puigjaner, Francesc Josep; Batet Miracle, Lluís (2016-01-01)
      Article
      Open Access
      This paper provides a Best Estimate validation calculation with a coupled thermal–hydraulic and 3D neutron kinetic model for Ascó-II Nuclear Power Plant. Common NRC codes have been used for its purpose. TRACE is the code ...

    • Comparison of best-estimate plus uncertainty and conservative methodologies for a PWR MSLB analysis using a coupled 3-D neutron-kinetics/thermal-hydraulic code 

      Pericas Casals, Raimon; Ivanov, K.; Reventós Puigjaner, Francesc Josep; Batet Miracle, Lluís (2017-05-04)
      Article
      Open Access
      This paper compares the Best-Estimate Plus Uncertainty (BEPU) methodology with the Conservative Bounding methodology for design-basis-accident analysis. Calculations have been performed with TRACE [for thermal-hydraulic ...

    • Core Exit temperature response during an SBLOCA event in the ASCO NPP 

      Freixa Terradas, Jordi; Martínez Quiroga, Víctor Manuel; Reventós Puigjaner, Francesc Josep (2015)
      Conference report
      Restricted access - publisher's policy
      Given the difficulties in placing measurements in the core region, core exit temperature (CET) measurements are used as a criterion for the initiation of safety operational procedures during accidental conditions in ...

    • Determinación de la dosis ambiental equivalente H*(10) a partir de espectrometría gamma con detector de LaBr3 

      López de Abajo, Héctor (Universitat Politècnica de Catalunya, 2011-09)
      Master thesis (pre-Bologna period)
      Open Access
      El presente informe tiene como objetivo principal la obtención de la dosis ambiental equivalente (H*(10)) a partir del espectro obtenido mediante el análisis de la amplitud de los impulsos producidos por la radiación ...

    • Development of a probabilistic model to estimate the risk of toxic release due to a train accident in the proximity of nuclear power plant 

      Elgezabal Garmendia, Imanol (Universitat Politècnica de Catalunya, 2018-04-27)
      Master thesis
      Restricted access - confidentiality agreement

    • Efecto del pH en la cinética de disolución de MoO2 

      Rivero Turrau, Alejandro (Universitat Politècnica de Catalunya, 2021-02-01)
      Bachelor thesis
      Open Access
      En la actualidad una de las fuentes energéticas más importante es la energía nuclear. Unproblema importante alproducir esta energía es el tratamiento y gestión de combustible nuclear gastado (CNG), considerado ...

    • El futur de l'opció nuclear i la sostenibilitat energètica 

      Ortega, Javier (Càtedra Unesco de Sostenibilitat de la UPC, 2006-05)
      Article
      Open Access
      S’analitza el sector energètic mundial i la situació actual de l’energia d’origen nuclear al món, per passar a descriure els principis tècnics dels actuals reactors de fissió. S’exposa l’evolució dels sistemes de generació ...

    • Elaboración de una guía técnica para la calificación sísmica de equipos y componentes (eléctricos, mecánicos e I&C) relacionados con la seguridad para las CCNN de Ascó y Vandellós II en cumplimiento con 10CFR50 apéndice B, NUREG-800 (SRP), IS-27, RG-1.29, RG-1.97 y RG-1.100, integrando el concepto de margen sísmico (RLE) establecido por NUREG-1407, en aquellos equipos y componentes que así lo requieran 

      Mendoza Sancho, Victor (Universitat Politècnica de Catalunya, 2020-07-16)
      Master thesis
      Restricted access - author's decision
      El presente trabajo final de máster se realiza con objeto de establecer una guía técnica en la Asociación Nuclear Ascó - Vandellós II, AIE para llevar a cabo la calificación sísmica de equipos y componentes relacionados ...