1979•University of North Texas Digital Library (University of North Texas)Open access
PINEX-2 experiment: concept verification of an inherent shutdown mechanism for HCDA's. [LMFBR]
D.R. Porten, Andrew Padilla, R.E. Baars
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Abstract
PINEX-2 was a dual-objective experiment to continue development of the Pinhole Imaging (PINEX) system for monitoring fuel motion, and to further demonstrate the feasibility of internal fuel motion as a mechanism for mitigating the consequences of hypothetical LMFBR accidents. A special fuel pin with a pre-fabricated central hole in the fuel, insulator, and reflector was pre-irradiated in the General Electric Test Reactor and subjected to a simulated 5$/sec transient overpower excursion in the Transient Reactor Test (TREAT) facility. Approximately 10 grams of molten fuel were ejected upward from the fuel region into the reflector and fission gas plenum.
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