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Enhanced verification of irradiated nuclear fuel using Cherenkov light
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics.ORCID iD: 0000-0001-8207-3462
2019 (English)Conference paper, Oral presentation with published abstract (Other academic)
Abstract [en]

The Digital Cherenkov Viewing Device (DCVD) is one instrument available to authority inspectors to verify spent nuclear fuel assemblies in wet storage. Verification with the DCVD relies on a comparison between the measured Cherenkov light intensity to a predicted one. This work describes the development of an improved the prediction model, to further enhance the DCVD performance. By considering more fuel parameters in the predictions, predictions that are more accurate can be provided for fuel assemblies with a greater range of burnups, cooling times and irradiation histories. Furthermore, by considering the effect of the storage situation, the accuracy of the predictions can be further enhanced. By using the improved prediction model, the DCVD can be put into regular use to reliably verify fuel assemblies with a wider range of burnups and cooling times than before. The improved prediction model will be available to authority inspectors shortly.

Place, publisher, year, edition, pages
2019.
National Category
Subatomic Physics
Research subject
Physics with specialization in Applied Nuclear Physics
Identifiers
URN: urn:nbn:se:uu:diva-384857OAI: oai:DiVA.org:uu-384857DiVA, id: diva2:1321899
Conference
FISA EURADWASTE Conference, ENEN PhD Event & Prize 2019, Pitesti, Romania, 5 June, 2019.
Funder
Swedish Radiation Safety Authority, 2012-2750Swedish National Infrastructure for Computing (SNIC), p2007011Available from: 2019-06-10 Created: 2019-06-10 Last updated: 2019-06-14Bibliographically approved

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Branger, Erik

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