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In-Pile Thermal Conductivity Measurement Methods For Nuclear Fuels, Brandon S. Fox
In-Pile Thermal Conductivity Measurement Methods For Nuclear Fuels, Brandon S. Fox
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Measuring nuclear fuel thermal conductivity in-pile can provide much needed data for understanding fuel performance during irradiation and yield thermophysical property data needed for simulation codes and fuel databases. The objective of this research is to develop and compare two in-pile thermal conductivity methods in a laboratory setting using surrogate fuel materials.
A steady-state radial heat flow method was investigated to understand its viability as an in-pile steady-state thermal conductivity technique. By using Joule heating to simulate volumetric heat generation within a surrogate fuel rod, thermal conductivity was measured with two thermocouples at different radial positions within the rod. Examinations …