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Fusion Research Center Annual Report Series

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Author: Stacey, Weston M. × Author: Van Rooijen, W. × End date: 2008 × Start date: 2005 ×

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SABR Dynamical Safety Analysis

2008 , Stacey, Weston M. , Sumner, Tyler Scott , Van Rooijen, W.

A model was developed to simulate the coupled dynamics of a sub-critical fast reactor fueled with transuranics (TRU), a DT tokamak fusion neutron source and the heat removal and secondary systems. Several types of accident initiating events—inadvertent increases in the auxilliary power and fueling sources for the fusion neutron source, inadvertent control rod ejection from the reactor core, loss of flow (LOFA), and loss of heat sink (LOHSA)—were simulated in order to determine the time available to detect accident onset and take corrective action. A more detailed description is presented in Ref. 1.

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SABR Fuel Cycle Analysis

2008 , Stacey, Weston M. , Sommer, Christopher , Van Rooijen, W.

Various fuel cycles for a sodium cooled, subcritical, fast reactor, SABR, with a fusion neutron source for the transmutation of light water reactor spent fuel have been analyzed. All fuel cycles were 4-batch, and all but one were constrained by a total fuel residence time consistent with a 200 dpa clad and structure materials damage limit. The objective of this study was to achieve greater than 90% burn up of the transuranics from the spent fuel, consistent with the Advanced Fuel Cycle objectives of DoE. A more detailed account of this work can be found in the MS thesis of the first author.

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