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Report No.

Development of safeguards system simulator composed of multi-functional cores

Suzuki, Mitsutoshi; Ihara, Hitoshi

The large Pu throughput in an advanced reprocessing plant comes with the inevitable requirement of NMA. A large amount of sampling analysis result in a great cost to verify no undeclared use of Pu. In addition to NMA, C/S, PM, and Cu balance measurements have been used for SG systems. However, no quantitative formalism has been developed to date. Therefore, it is difficult to evaluate a cost-effective performance. In order to design an advanced SG system, JAEA has started to develop a SG system simulator. One core of the simulator for the NMA component is composed of a NRTA code that has been developed. In addition, a multivariate and multi-scale core has been developed. A concept for a multi-objective core is proposed for the SG formalism. Also, flow meter and NDA can be more broadly applied to the system. In future work, a virtual design model will be developed in the simulator.



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