A1 Refereed original research article in a scientific journal
Multiobjective Mixed Integer Nonlinear Model to Plan the Schedule for the Final Disposal of the Spent Nuclear Fuel in Finland
Authors: Outi Montonen, Ville-Pekka Eronen, Timo Ranta, Jani A. S. Huttunen, Marko M. Mäkelä
Publisher: MDPI
Publication year: 2020
Journal: Mathematics
Journal name in source: MATHEMATICS
Journal acronym: MATHEMATICS-BASEL
Article number: ARTN 528
Volume: 8
Issue: 4
Number of pages: 29
DOI: https://doi.org/10.3390/math8040528(external)
Self-archived copy’s web address: https://research.utu.fi/converis/portal/detail/Publication/48045612(external)
The safe disposal of the spent nuclear fuel is the important part of the nuclear power production. In this paper, we model the geological disposal in Finland covering objectives related to the interim storage, the encapsulation facility, the disposal facility, and the costs. A notable fact is that all the fuel types used in Finland are taken into account. The resulting optimization model is of a multiobjective nonlinear mixed integer type having eight objectives. The model is solved with the interactive method utilizing the special type of the achievement scalarizing functions. From this, we obtain a disposal schedule giving amounts of canisters to encapsulate in each time period. The results obtained are analyzed from the practical point of view.
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