STATISTICAL ANALYSIS AND MODELING OF GAP CONDUCTANCE DATA FOR REACTOR FUEL RODS CONTAINING UO2 PELLETS

Technical Report · Wed May 01 00:00:00 EDT 1974

DOI:https://doi.org/10.2172/1087575· OSTI ID:1087575

Lanning, D. D.; Hann, C. R.; Gilbert, E. S.

The purpose of this study was threefold: To examine a large body of in-reactor data for UO{sub 2} pellet fuel where internal temperatures have been measured, and to estimate fuel surface temperature, cladding inner temperature, and thus gap conductance under a consistent set of assumptions. To estimate the variance (due to experimental uncertainties) in the inferred gap conductance values. To attempt a correlation of the gap conductance values with design parameters and operating conditions (e.g., with cold diametral gap and local linear power).

• Research Organization: Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
• Sponsoring Organization: US Atomic Energy Commission (AEC)
• DOE Contract Number: AT(45-1)-1830
• OSTI ID: 1087575
• Report Number(s): BNWL-1832
• Country of Publication: United States
• Language: English

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