Accessible Requires Authentication Published by De Gruyter August 18, 2021

A Monte Carlo study on burnup treatment in sodium-cooled reactor with Th fuel

Eine Monte-Carlo-Studie zum Abbrand von MOX-Brennstoff in natriumgekühlten Reaktoren mit Th-Brennstoff
M. E. Korkmaz and N. K. Arslan
From the journal Kerntechnik


Sodium Cooled Reactors is one of the Generation-IV plants selected to manage the long-lived minor actinides and to transmute the long-life radioactive elements. This study presents the comparison between two-designed SFR cores with 600 and 800 MWth total heating power. We have analyzed a conceptual core design and nuclear characteristic of SFR. Monte Carlo depletion calculations have been performed to investigate essential characteristics of the SFR core. The core calculations were performed by using the Serpent Monte Carlo code for determining the burnup behavior of the SFR, the power distribution and the effective multiplication factor. The neutronic and burn-up calculations were done by means of Serpent-2 Code with the ENDF-7 cross-sections library. Sodium Cooled Fast Reactor core was taken as the reference core for Th-232 burnup calculations. The results showed that SFR is an important option to deplete the minor actinides as well as for transmutation from Th-232 to U-233.


Natriumgekühlte Reaktoren gehören zu den Anlagen der Generation-IV, die für die Entsorgung der langlebigen minoren Aktiniden und die Transmutation der langlebigen radioaktiven Elemente ausgewählt wurden. Diese Studie stellt den Vergleich zwischen zwei konzipierten SFR-Kernen mit 600 und 800 MWth Gesamtheizleistung vor. Wir haben ein konzeptionelles Kerndesign und die nukleare Charakteristik des SFR analysiert. Es wurden Monte-Carlo-Berechnungen durchgeführt, um die wesentlichen Eigenschaften des SFR-Kerns zu untersuchen. Die Kernberechnungen wurden mit dem Monte-Carlo-Code Serpent unter Verwendung der Querschnittsbibliothek ENDF-7 durchgeführt, dabei wurde das Abbrandverhalten des SFR, die Leistungsverteilung und den effektiven Multiplikationsfaktor bestimmt. Der Kern des natriumgekühlten schnellen Reaktors wurde als Referenzkern für die Th-232-Abbrandberechnungen ausgewählt. Die Ergebnisse zeigen, dass der SFR eine wichtige Option für die Abreicherung der minoren Aktiniden sowie für die Transmutation von Th-232 zu U-233 ist.

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Received: 2019-12-18
Published Online: 2021-08-18
Published in Print: 2021-08-31

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