FIELD: physics, atomic power.
SUBSTANCE: invention relates to nuclear reactor fuel assemblies. The support grid is formed from a plurality of orthogonally arranged straps in a crate configuration with angled trailing and/or leading edges that are designed to break the correlation of vortices shed from the edges of the grid straps by varying the phase of the vortices.
EFFECT: reducing the probability of resonant vibration of the straps.
35 cl, 13 dwg
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