Method and apparatus for testing vertically extending fuel rods

Details Method and apparatus for testing vertically extending fuel rods Method and apparatus for testing vertically extending fuel rods

1986-07-07

1988-04-05

Kyle, Deborah L.

Induced nuclear reactions: processes, systems, and elements

Testing, sensing, measuring, or detecting a fission reactor...

376261, 294906, 269 69, G21C 1706, G21C 1910

Patent

active

047357665

ABSTRACT:
A method for testing vertically disposed fuel rods combined in fuel rod clusters or fuel assemblies in rack positions of a fuel assembly rack of a water-cooled nuclear reactor includes inserting a holding device into first and second unoccupied rack positions while maintaining an unoccupied third rack position therebetween, inserting a fuel assembly to be tested into the third rack position with a lifting device, locking the fuel assembly to the holding device while the fuel assembly is in the third rack position, moving the fuel assembly vertically upward with the holding device, interrupting the upward motion of the fuel assembly, subsequently inserting a probe with a test device into spaces between the fuel rods in a testing operation, moving the fuel assembly vertically downward with the holding device after completing the testing operation until the fuel assembly is deposited in the third rack position, removing the fuel assembly with the lifting device, and depositing another fuel assembly to be tested into the third rack position.

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"US-Prufung von Brennelementen Wahrend des BE-Wechsels", Atomwirtschaft, Carbon et al., 3-1985, pp. 145-147.

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