RADIOCHEMICAL MEASUREMENTS OF IN-PILE LOOP CORROSION PRODUCT DEPOSITS AND THEIR INTERPRETATION, JULY 17, 1955-APRIL 7, 1958
Technical Report
·
OSTI ID:4297490
Radiochemical measurements on fuel element cruds, out-of-flux deposits, ion exchange accumulations, and particulate corrosion products circulating in the coolant which were obtained from the KAPL-37 and KAPL-30 test facilities were studied. On the basis of these data, it was concluded that no single transport mechanism could account for the observed effects. A simplified mathematical model describing loop activation by the transport of particulate crud and by the diffusion of active nuclides was derived and applied to the KAPL-37 data. Within the limitations imposed by the assumptions required to develop the loop activation equations and the limits of accuracy applied to the experimental data, the activation of the KAPL-37 loop and fuel element deposits could be described on the basis that 81 to 92% f the influx deposits were transient, and therefore erodable, and that up to 24% of the system crud could take part in an exchange process with the coolant. Resuspension of out-of-flux cruds, a mechanism not included in the loop activation equations, was determined to be occurring in the KAPL-30 facility. Circulating coolant activity as derived from hot crud filter and filtrate samples was found to be considerably less satisfactory than estimates obtained from ion exchange accumulations. (auth)
- Research Organization:
- Knolls Atomic Power Lab., Schenectdy, N.Y.
- DOE Contract Number:
- W-31-109-ENG-52
- NSA Number:
- NSA-13-005283
- OSTI ID:
- 4297490
- Report Number(s):
- KAPL-M-SMS-97
- Country of Publication:
- United States
- Language:
- English
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