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Calculation of the Neutron Noise Induced by Periodic Deformations of a Large Sodium-Cooled Fast Reactor Core

Florian Zylbersztejn (Institutionen för teknisk fysik, Nukleär teknik) ; Hoai Nam Tran (Institutionen för teknisk fysik, Nukleär teknik) ; Imre Pázsit (Institutionen för teknisk fysik, Nukleär teknik) ; P. Filliatre ; C. Jammes
Nuclear Science and Engineering (0029-5639). Vol. 177 (2014), 2, p. 203-218.
[Artikel, refereegranskad vetenskaplig]

The subject of this paper is the calculation of the neutron noise induced by small-amplitude stationary radial variations of the core size (core expansion/compaction, also called core flowering) of a large sodium-cooled fast reactor. The calculations were performed on a realistic model of the European Sodium Fast Reactor (ESFR) core with a thermal output of 3600 MW(thermal), using a multigroup neutron noise simulator. The multigroup cross sections and their fluctuations that represent the core geometry changes for the neutron noise calculations were generated by the code ERANOS. The space and energy dependences of the noise source represented by the core expansion/compaction and the induced neutron noise are calculated and discussed.



Denna post skapades 2014-08-22. Senast ändrad 2015-05-25.
CPL Pubid: 201812

 

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Institutioner (Chalmers)

Institutionen för teknisk fysik, Nukleär teknik (2006-2015)

Ämnesområden

Fysik

Chalmers infrastruktur

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Developments and application of neutron noise diagnostics of sodium cooled fast reactors