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Report No.
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Development of three-dimensional reactor analysis code system for Accelerator-Driven System, ADS3D

Sugawara, Takanori  ; Hirai, Yasushi*; Nishihara, Kenji; Iwamoto, Hiroki ; Sambuu, O.*; Ushio, Tadashi*

To investigate an Accelerator-Driven System (ADS) with sub-criticality control mechanism such as control rods or burnable poison, the ADS3D code has been developed on MARBLE which is a next generation reactor analysis code system developed by JAEA. In the past neutronics calculation for the ADS, JAEA employed RZ calculation models to realize efficient investigations. However, it was very difficult to model sub-criticality control mechanisms in RZ calculation models. The ADS3D code system is available to calculate the transportation of protons and neutrons, the burn-up calculation and the fuel exchange in three-dimensional calculation models. It means this code system can treat ADS concepts with sub-criticality control mechanism and makes it possible to investigate a new concept of ADS.

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