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- Title
RELATIONSHIP BETWEEN NATURAL FREQUENCIES AND PULL OUT FORCE FOR PLATES WITH TWO CLAMPED EDGES.
- Authors
Caresta, Mauro; Wassink, David
- Abstract
Plate type nuclear fuel assemblies consist of a box like structure containing several thin rectangular fuel plates clamped to the side plates by a swage connection. In cooling these fuel assemblies during reactor operation, the coolant flow causes a longitudinal drag force that may shift the plates if they are not properly clamped. The aim of this work is to find a relationship between the natural frequencies of a plate with clamped edges and the pull out force needed to shift a plate from its designed position for various different clamped conditions. The results can be used in the future to assess the quality of the swages in plate-type nuclear fuel assemblies. An experimental rig consisting of a plate clamped along two opposite edges using bolted beams tightened to various torque settings to emulate the swage quality was built. Modal analysis was performed to relate the natural frequencies to the torque used to fasten the bolts.
- Subjects
SOUND measurement; REFRIGERANTS; ARCHITECTURAL acoustics; PHYSICAL measurements; BOLTS &; nuts; MODAL analysis
- Publication
Acoustics Australia, 2011, Vol 39, Issue 1, p15
- ISSN
0814-6039
- Publication type
Article