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Title: Final report: Temperature measurement of uranium swelling capsule PT-IP-200-A

Technical Report ·
DOI:https://doi.org/10.2172/10177678· OSTI ID:10177678

A single swelling capsule was irradiated in DIR reactor as a test of the operation and design of a series of similar capsules to be charged later in a large scale uranium swelling experiment. The ratio of measured to calculated uranium temperature increased from 0.7 during the first two-thirds of the irradiation to 1.08 during the last one-third. Most of this change can be accounted for by a flux shift toward the rear of the reactor during the last one-third of the irradiation. Because of this flux shift it was impossible to determine an accurate temperature correction factor to be applied to the full scale test to follow. Radiometallurgy revealed an asymmetric radial temperature distribution in the fuel. Capsule tests showed that this asymmetry was caused by in complete NaK coverage of the rod; Capsule design change will prevent this.

Research Organization:
General Electric Co., Richland, WA (United States). Hanford Atomic Products Operation
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
AC06-76RL01830
OSTI ID:
10177678
Report Number(s):
HW-63513; ON: DE94017640
Resource Relation:
Other Information: DN: Declassified; PBD: 14 Jan 1960
Country of Publication:
United States
Language:
English