Comparative analysis of selected aspects of the MUSE-4 experiments with the JEF-2.2 and JEFF-3.1 libraries
- CEA/DEN/DER, St Paul lez Durance (France)
- PSI, Villigen (Switzerland)
This paper presents the analysis of some selected experiments of the MUSE-4 program with the ERANOS-2.1 code system using either the JEF-2.2 library or the more recent JEFF-3.1 one; focus has been given to the reactivities calculations and to the spectral indices of the MUSE-4-Reference and SC3-Pb core configurations. Both libraries provide comparable results on the k{sub eff} of the Reference configuration due to large negative and positive compensating reactivity effects, whereas there is a -400 pcm effect on SC3-Pb. A perturbation analysis demonstrates that the large negative total reactivity effect in this configuration comes from the increase of the lead contribution and from the decrease of the sodium contribution. The new library improves the C/E for all the spectral indices in the fuel zone and for most of them in the lead zone except for {sup 238}U and {sup 243}Am. (authors)
- Research Organization:
- American Nuclear Society, 555 North Kensington Avenue, La Grange Park, IL 60526 (United States)
- OSTI ID:
- 22039602
- Resource Relation:
- Conference: PHYSOR-2006: American Nuclear Society's Topical Meeting on Reactor Physics - Advances in Nuclear Analysis and Simulation, Vancouver, BC (Canada), 10-14 Sep 2006; Other Information: Country of input: France; 9 refs.
- Country of Publication:
- United States
- Language:
- English
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