Preliminary Design Report for the NMSR Pressurized Water Loop at ORR Page: 18 of 44
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16
4.16 Instrument Panel
The panel will be located facing the cubicle wall so that valve handles
can be extended through the wall and operated in view of the panel.- This
arrangement can be accommodated in the space allocated for the experiment.
4.17 Operation
The loop and its control system- will be designed to minimize attention
by the operating personnel. fd provide for a minimum of coverage, it is
important that manual operations be limited to data taking and monitoring
of conditions and to removal of samples for analysis. It may be desirable
or necessary to arrange for back-up assistance from Reactor Operations
at those times when emergency situations arise.
4.18 Hot Cell Analysis
Fuel elements removed from the loop would be loaded into casks for
removal to a suitable hot cell for examination. This transfer can
be accomplished either in the reactor canal or in the ORR canal hot
cell. Removal of the specimen holder would be necessary before
closing the cask.
Examination of the specimens will include dimensional measurements
for swelling, or distortion, metallographic examination of welds
and/or fraying, possible analysis of fission gases, removal of the
oxide pellets and examination for cracking and other damage and for
burnup. Other analysis may be required on occasion such as analysis
of induced activity of structural materials or foils to determine
radiation dose and examination of thermocouple attachment'after
irradiation.
Since these elements are of relatively low enrichment, the cells
for opening the capsules and examining the oxide must be capable of
handling plutonium.
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Dudley, I.T.; Trauger, D.B. & Savage, H.W. Preliminary Design Report for the NMSR Pressurized Water Loop at ORR, report, October 23, 1958; Tennessee. (https://digital.library.unt.edu/ark:/67531/metadc878967/m1/18/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.