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October 12, 2023, 12:00PMNuclear News

Idaho National Laboratory's TREAT reactor. (Photo: INL)

Researchers at Idaho National Laboratory have a new experimental tool to study nuclear fuel under simulated loss of coolant accident (LOCA) conditions in INL’s Transient Reactor Test (TREAT) Facility. A specialized experiment holder called a TWIST capsule holds a fuel sample surrounded by water, which can rapidly drain away during testing, simulating loss of coolant in a light water reactor environment.

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TREAT gets a TWIST

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