Analysis of different uncertainty activation cross section data libraries for LWR, ADS and DEMO neutron spectra

Diez de la Obra, Carlos Javier; Cabellos de Francisco, Oscar Luis y Martínez, J.S. (2012). Analysis of different uncertainty activation cross section data libraries for LWR, ADS and DEMO neutron spectra. "EPJ Web of Conferences", v. 27 (n. 5); pp. 1-7. ISSN 2100-014X. https://doi.org/10.1051/epjconf/20122700005.

Descripción

Título: Analysis of different uncertainty activation cross section data libraries for LWR, ADS and DEMO neutron spectra
Autor/es:
  • Diez de la Obra, Carlos Javier
  • Cabellos de Francisco, Oscar Luis
  • Martínez, J.S.
Tipo de Documento: Artículo
Título de Revista/Publicación: EPJ Web of Conferences
Fecha: Mayo 2012
Volumen: 27
Materias:
Escuela: E.T.S.I. Industriales (UPM)
Departamento: Ingeniería Nuclear [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

This work is aimed to present the main differences of nuclear data uncertainties among three different nuclear data libraries: EAF-2007, EAF-2010 and SCALE-6.0, under different neutron spectra: LWR, ADS and DEMO (fusion). To take into account the neutron spectrum, the uncertainty data are collapsed to onegroup. That is a simple way to see the differences among libraries for one application. Also, the neutron spectrum effect on different applications can be observed. These comparisons are presented only for (n,fission), (n,gamma) and (n,p) reactions, for the main transuranic isotopes (234,235,236,238U, 237Np, 238,239,240,241Pu, 241,242m,243Am, 242,243,244,245,246,247,248Cm, 249Bk, 249,250,251,252Cf). But also general comparisons among libraries are presented taking into account all included isotopes. In other works, target accuracies are presented for nuclear data uncertainties; here, these targets are compared with uncertainties on the above libraries. The main results of these comparisons are that EAF-2010 has reduced their uncertainties for many isotopes from EAF-2007 for (n,gamma) and (n,fission) but not for (n,p); SCALE-6.0 gives lower uncertainties for (n,fission) reactions for ADS and PWR applications, but gives higher uncertainties for (n,p) reactions in all applications. For the (n,gamma) reaction, the amount of isotopes which have higher uncertainties is quite similar to the amount of isotopes which have lower uncertainties when SCALE-6.0 and EAF-2010 are compared. When the effect of neutron spectra is analysed, the ADS neutron spectrum obtained the highest uncertainties for (n,gamma) and (n,fission) reactions of all libraries.

Más información

ID de Registro: 15788
Identificador DC: http://oa.upm.es/15788/
Identificador OAI: oai:oa.upm.es:15788
Identificador DOI: 10.1051/epjconf/20122700005
URL Oficial: http://www.epj-conferences.org/articles/epjconf/abs/2012/09/epjconf_ncsc2_00005/epjconf_ncsc2_00005.html
Depositado por: Memoria Investigacion
Depositado el: 01 Dic 2013 09:12
Ultima Modificación: 21 Abr 2016 16:05
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