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Triso Fuel Compact Thermal Conductivity Measurement Instrument Development, Colby Jensen
Triso Fuel Compact Thermal Conductivity Measurement Instrument Development, Colby Jensen
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Thermal conductivity is an important thermophysical property needed for effectively predicting fuel performance. As part of the Next Generation Nuclear Plant (NGNP) program, the thermal conductivity of tri-isotropic (TRISO) fuel needs to be measured over a temperature range characteristic of its usage. The composite nature of TRISO fuel requires that measurement be performed over the entire length of the compact in a non-destructive manner. No existing measurement system is capable of performing such a measurement.
A measurement system has been designed based on the steady-state, guarded-comparative-longitudinal heat flow technique. The system as currently designed is capable of measuring cylindrical samples …