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Transmutation of am...
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Zhang, YoupengKTH,Reaktorfysik
(författare)
Transmutation of americium in a large sized sodium-cooled fast reactor loaded with nitride fuel
- Artikel/kapitelEngelska2013
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Elsevier BV,2013
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LIBRIS-ID:oai:DiVA.org:kth-120294
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-120294URI
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https://doi.org/10.1016/j.anucene.2012.08.009DOI
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Språk:engelska
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Sammanfattning på:engelska
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QC 20130405
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We have performed the transient analysis of a large sized sodium-cooled reactor loaded with nitride fuel modified by different fractions of americium. Unprotected loss-of-offsite power, unprotected loss-of-flow and unprotected transient-over-power accidents were considered as the postulated transient and simulated with the SAS4A/SASSYS code based on the geometrical model of a BN1200 type sodium-cooled fast reactor (SFR) with the rated power of 2900 MWth. Safety parameters used in the transient simulation model were obtained from the SERPENT Monte Carlo calculations. If 100 K margin to fuel melting was maintained, 2 wt.% and 6 wt.% Am content could be permitted for the nitride fuel loaded BN1200 operating with the maximum linear power rating of 37 kW/m and 33 kW/m respectively, providing Am transmutation rates of 3.9 kg/TW h(th) and 13.7 kg/TW h(th). These transmutation rates are more than 6 times higher than the ones previously reported for oxide fuel loaded BN600 operating with the maximum linear power ratings of 37 kW/m and metallic fuel loaded Integral Fast Reactor (IFR) operating with the maximum linear power rating of 33 kW/m respectively, being their reference cases with permitting 1 wt.% Am content.
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Wallenius, JanneKTH,Reaktorfysik(Swepub:kth)u1n5mh86
(författare)
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Jolkkonen, MikaelKTH,Reaktorfysik(Swepub:kth)u1g4wbod
(författare)
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KTHReaktorfysik
(creator_code:org_t)
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Ingår i:Annals of Nuclear Energy: Elsevier BV53, s. 26-340306-45491873-2100
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