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- Bengtsson, MartinVattenfall AB, Sweden (author)
Experimental method for verification of calculated Cs-137 content in nuclear fuel assemblies
- Article/chapterEnglish2022
Publisher, publication year, extent ...
- 2021-06-30
- Informa UK Limited,2022
- electronicrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:uu-432465
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-432465URI
- https://doi.org/10.1080/00295450.2021.1880851DOI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
Classification
Notes
- 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.
Subject headings and genre
- NATURVETENSKAP Fysik Subatomär fysik hsv//swe
- NATURAL SCIENCES Physical Sciences Subatomic Physics hsv//eng
- nuclear fuel
- Cs-137
- activity
- characterization
- Fysik med inriktning mot tillämpad kärnfysik
- Physics with specialization in Applied Nuclear Physics
Added entries (persons, corporate bodies, meetings, titles ...)
- Jansson, Peter,1971-Uppsala universitet,Tillämpad kärnfysik(Swepub:uu)petejans (author)
- Bäckström, UlrikaVattenfall AB, Sweden (author)
- Johansson, FredrikSwedish Nuclear Fuel and Waste Management Company, Sweden (author)
- Sjöland, AndersSwedish Nuclear Fuel and Waste Management Company, Sweden (author)
- Vattenfall AB, SwedenTillämpad kärnfysik (creator_code:org_t)
Related titles
- In:Nuclear Technology: Informa UK Limited208:2, s. 295-3020029-54501943-7471
Internet link
- https://doi.org/10.1080/00295450.2021.1880851Fulltext
- https://uu.diva-portal.org/smash/get/diva2:1520212/FULLTEXT01.pdffulltext:print
- https://www.tandfonline.com/doi/pdf/10.1080/00295450.2021.1880851?needAccess=true
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-432465
- https://doi.org/10.1080/00295450.2021.1880851
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