b'Figure 2. (Left-to-Right) Dr. Tiago Moreira, Dr. Michael Corradini, Alastair Luna, Dr.Figure 3. (Left to right) Dr. Trevor Howard, Mark Anderson pictured holding a prototypic simulated fuel rod with temperatureMusa Moussaoui pictured in front of and strain fiber optical sensors embedded in the cladding for in-situ diagnostics OSU O-SERTTA facilitytest capsule; [2] a LOCA ball valveObjective 4: Perform the LOCA assembly that allows for reproduc- transient tests in OSU LOCA facility ible initiation of the LOCA transient;with fiber optic sensors installed.[3] replacement gland fittings andObjective 5: Analyze LOCA test capillaries to accommodate heaterresults using state-of-the-art safety rod with FOS instrumentation. Theanalysis codes: e.g., RELAP5.improvements have allowed for a series of LOCA tests to be performedAccomplishmentsat prototypical pressurized waterTransient LOCA tests are to be reactor conditions using a heaterperformed this quarter after the rod with standard instrumentation.installation of the heater rod with These have successfully exercisedFOSs. In anticipation of this, a the data acquisition system andRELAP5 model of the OSU facility associated instrumentation as thewas developed, and simulations OSU team awaits delivery of the FOShave been run and compared to instrumented rod this quarter.existing transient test data and these have shown good agreement.184 2023|AFC ACCOMPLISHMENTS'