b'1.Design of an in-pile SFR testing5.Data synthesis and detailedFigure 2. Overview of ARES project capsule and associated hot cellexperimental evaluation will beschedule leading to transient infrastructure to remotely loadperformed using BISON and JAEAexperiments in TREAT in FY22.irradiated fuel specimens usingfuel performance codes.the best modeling and simulationPlanned experiments will be performed capabilities. in the Temperature Heat sink Over-2.Fresh fuel commissioning testspower Response (THOR) module in to qualify the TREAT testingthe Minimal Activation Retrievable platform for providing requiredCapsule Holder (MARCH) system nuclear heating and thermome- in TREAT. The THOR test device is chanical boundary conditionscomprised of a capsule to house a and measuring the associated fuelfully intact EBR-II metallic or MOX response.fuel pin. The design includes a metal 3.Four integral experiments heat sink surrounding the specimen will be performed in TREAT in- with a thin sodium annulus to provide cluding two irradiated metallic fuelexcellent thermal conductance from specimens (called M-TOP/M-LOFthe specimen to the heat sink. The series) and two MOX fuel speci- design process relies heavily on mens (called MOXTOP series).advanced modeling tools to guide experiment design and objectives. 4.Pre- and Post-Transient Examina- Fresh fuel experiments on U-10Zr will tions will be performed on thecommission the device capability in EBR-II-irradiated metallic andthe TREAT Facility in FY21 to FY22. MOX fuel test specimens. These tests will provide valuable insight on performance of advanced in-situ instrumentation including optical 2020|AFC ACCOMPLISHMENTS 131'