b'Figure 3. The SATS tFGR system in the ORNL Irradiation Fuel Examination Laboratorymaintained at 194C. As the fissionReferences:gas (krypton-85) encounters the[1.]Y. Pontillon, M.P. Ferroud-Plattet, charcoal, it is absorbed and trappedD. Parrat, S. Ravel, G. Ducros, C. in place while the helium sweep gasStruzik, I. Aubrun, G. Eminet, J. passes through and returns to the hotLamontagne, J. Noirot, A. Harrer, cell through an exit mass flow meterExperimental and theoretical in-and integrated exhaust system. Thevestigation of fission gas release released gases transferred to the tFGRfrom UO2 up to 70 GWd/t under table are analyzed online by a gammasimulated LOCA type condi-spectrometry station under the coldtions: The GASPARD program, trap cooled by liquid nitrogen.Proc. 2004 Int. Meet. LWR Fuel Figure 4 shows the cumulative releasePerform. (2004) 490499. measured during the LOCA-type tran- [2.]J. Rest, M.W.D. Cooper, J. Spino, sient performed on a 32 mm long highJ.A. Turnbull, P. Van Uffelen, C.T. burnup sample irradiated up to aboutWalker, Fission gas release from 70 GWd/MTU. This figure demon- UO 2 nuclear fuel: A review, J. strates the successful completion of anNucl. Mater. 513 (2019) 310345. in-cell tFGR test with irradiated fuels.https://doi.org/10.1016/j.jnuc-The data analysis and post-test exami- mat.2018.08.019. nation are underway, and results will be reported in FY 2024.96 2023|AFC ACCOMPLISHMENTS'