Engineering data and design review (July 16 and 17, 1968) Page: 77 of 478
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CLUSTER ASSEMBLY AND MISCELLANEOUS HARDWARE
KEY REQUIREMENTS OF ECC
REQUIREMENT1. LOAD TRANSMITTAL
2. REACTIVITY SHIMMING
3. INSULATION
4. SCREENING AND METERING
5. POISON WIRE ACCEPTANCE
6. EMERGENCY SUPPORT
7. RELIABILITYGROUP THE FUEL ELEMENTS INTO CLUSTERS AND TRANSMIT
THE STATIC AND DYNAMIC LOADS TO THE SUPPORT PLATE.
PROVIDE FOR REACTIVITY SHIMMING AT ASSEMBLY.
PROVIDE A THERMAL BARRIER FOR PROTECTION OF METALLIC
COMPONENTS.
SCREEN AND METER THE FLOW TO EACH FUEL ELEMENT
CHANNEL TO CONTROL TEMPERATURE DISTRIBUTION.
INSURE ACCEPTANCE OF POISON WIRES AS REQUIRED
FOR SAFETY.
PROVIDE 1-g AXIAL SUPPORT FOLLOWING A LOSS-OF-
COOLANT ACCIDENT.
RELIABILITY GOAL OF NOT LESS THAN 0.99990 RELATIVE TO
THE STRUCTURAL, THERMAL, AND NUCLEAR FAILURES WHICH
WOULD RESULT IN MISSION FAILURE.ITEM
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Engineering data and design review (July 16 and 17, 1968), report, August 22, 1968; Pittsburgh, Pennsylvania. (https://digital.library.unt.edu/ark:/67531/metadc868945/m1/77/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.