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- Alhassan, ErwinUppsala universitet,Tillämpad kärnfysik,Nuclear Research Group (author)
Uncertainty and correlation analysis of lead nuclear data on reactor parameters for the European Lead Cooled Training Reactor
- Article/chapterEnglish2015
Publisher, publication year, extent ...
- Elsevier BV,2015
- electronicrdacarrier
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- LIBRIS-ID:oai:DiVA.org:uu-224524
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-224524URI
- https://doi.org/10.1016/j.anucene.2014.07.043DOI
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- Language:English
- Summary in:English
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- The Total Monte Carlo (TMC) method was used in this study to assess the impact of Pb-204, 206, 207, 208 nuclear data uncertainties on reactor safety parameters for the ELECTRA reactor. Relatively large uncertainties were observed in the k-eff and the coolant void worth (CVW) for all isotopes except for Pb-204 with signicant contribution coming from Pb-208 nuclear data; the dominant eectcame from uncertainties in the resonance parameters; however, elastic scattering cross section and the angular distributions also had signicant impact. It was also observed that the k-eff distribution for Pb-206, 207, 208 deviates from a Gaussian distribution with tails in the high k-eff region. An uncertainty of 0.9% on the k-eff and 3.3% for the CVW due to lead nuclear data were obtained. As part of the work, cross section-reactor parameter correlations were also studied using a Monte Carlo sensitivity method. Strong correlations were observed between the k-eff and (n,el) cross section for all the lead isotopes. The correlation between the (n,inl) and the k-eff was also found to be signicant.
Subject headings and genre
- NATURVETENSKAP Fysik Subatomär fysik hsv//swe
- NATURAL SCIENCES Physical Sciences Subatomic Physics hsv//eng
- TMC
- nuclear data uncertainty
- lead isotopes
- safety parameters
- ELECTRA
- fuel cycle
- Applied Nuclear Physics
- Tillämpad kärnfysik
Added entries (persons, corporate bodies, meetings, titles ...)
- Sjöstrand, HenrikUppsala universitet,Tillämpad kärnfysik,Nuclear Reactions Group(Swepub:uu)hesjo677 (author)
- Helgesson, PetterUppsala universitet,Tillämpad kärnfysik,Nuclear Reactions Group(Swepub:uu)pethe746 (author)
- Arjan, J. KoningUppsala universitet,Tillämpad kärnfysik,Nuclear Research and Consultancy Group(Swepub:uu)arjko970 (author)
- Österlund, MichaelUppsala universitet,Tillämpad kärnfysik,Nuclear Reaction Group(Swepub:uu)miost517 (author)
- Pomp, StephanUppsala universitet,Tillämpad kärnfysik,Nuclear Reactions Group(Swepub:uu)steppomp (author)
- Dimitri, RochmanNuclear Research and Consultancy Group (author)
- Uppsala universitetTillämpad kärnfysik (creator_code:org_t)
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- In:Annals of Nuclear Energy: Elsevier BV75, s. 26-370306-45491873-2100
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