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Experimental method...
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Bengtsson, MartinVattenfall AB, Sweden
(författare)
Experimental method for verification of calculated Cs-137 content in nuclear fuel assemblies
- Artikel/kapitelEngelska2022
Förlag, utgivningsår, omfång ...
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2021-06-30
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Informa UK Limited,2022
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electronicrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:uu-432465
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-432465URI
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https://doi.org/10.1080/00295450.2021.1880851DOI
Kompletterande språkuppgifter
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Språk:engelska
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Sammanfattning på:engelska
Ingår i deldatabas
Klassifikation
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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A method to determine the absolute activity of 137Cs in irradiated nuclear fuel is presented. Using a well-known point-like calibration source in combination with measurements of the gamma-ray intensity from the nuclear fuel and Monte Carlo calculations based on the nominal measurement geometry, the activity content can be determined without prior knowledge of the intrinsic detection efficiency of the gamma-ray detector. The presented method is tested using measurements of the 137Cs intensity from spent nuclear fuel of the pressurized water type at the central interim storage in Sweden. Using an assumption of homogeneous distribution of 137Cs throughout the fuel, we demonstrate a linear relationship between measured activity and the activity calculated by a state-of-the-art simulation code. For future studies, we suggest some factors that potentially can decrease the uncertainty in the correlation between measured and calculated activity.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Jansson, Peter,1971-Uppsala universitet,Tillämpad kärnfysik(Swepub:uu)petejans
(författare)
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Bäckström, UlrikaVattenfall AB, Sweden
(författare)
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Johansson, FredrikSwedish Nuclear Fuel and Waste Management Company, Sweden
(författare)
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Sjöland, AndersSwedish Nuclear Fuel and Waste Management Company, Sweden
(författare)
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Vattenfall AB, SwedenTillämpad kärnfysik
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Nuclear Technology: Informa UK Limited208:2, s. 295-3020029-54501943-7471
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