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An investigation of fuel cycles and material flows for a lead-cooled fast reactor using the Monte Carlo code Serpent
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics. (Nuclear Fuel Diagnostics and Safeguards)
2012 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The Monte Carlo code Serpent has been used to model the material flows andisotope compositions for a lead cooled fast reactor. The demonstration sized trainingreactor ELECTRA was chosen for the investigation, and different fuel cycle scenarioswere studied. The scenarios differed in operation length (3 months, 1 year or 5years) and recycling technique (single and double PUREX or GANEX).

The simulations gave detailed information on the changes of the isotope composition,activity and decay heat. The analysis of the generated waste also showed that thechoice of recycling method had great impact on the final storage time of the wastefrom the reprocessing. Performing double GANEX recycling, as compared to singlePUREX, reduced the storage time by a factor of about 3500.

The results can be used for future work related to even more detailed studies ofmaterial flows and for designing an appropriate safeguards system.

Place, publisher, year, edition, pages
2012. , 76 p.
UPTEC F, ISSN 1401-5757 ; 12008
Keyword [en]
LFR, lead-cooled fast reactor, Serpent, Generation IV, ELECTRA, isotope composition, fuel
National Category
Engineering and Technology
URN: urn:nbn:se:uu:diva-171294OAI: diva2:510558
Educational program
Master Programme in Engineering Physics
Available from: 2012-03-20 Created: 2012-03-16 Last updated: 2012-03-20Bibliographically approved

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