b'TWERL TREAT Water Environment Recirculating LoopTWIST Transient Water Irradiation System in TREATUC Uranium CarbideUE .Uniform ElongationUN .Uranium NitrideUofI .University of IdahoUQ .Uncertainty QuantificationU.S. .United StatesUSC University of South CarolinaUT .University of TennesseeUTA University of Texas-AustinUTK .University of Tennessee-KnoxvilleUTS Ultimate Tensile StrengthUW .University of WisconsinVCPS Visco-plastic Self ConsistentVERA-CS .Virtual Environment for Reactor ApplicationsCore SimulatorVTR .Versatile Test ReactorVXF Vertical Experiment Facilities Wd .Watt-daysWd/MTU .Watt-days per Metric ton UraniumWEC Westinghouse Electric CompanyWQ . Water QuenchingXCT .X-ray Computed TomographyXRD X-Ray DiffractionYH2 Yttrium DihydrideYN Yttrium MononitrideYS .Yield Strength2021|AFC ACCOMPLISHMENTS 185'