FUEL ELEMENT FOR A PRESSURIZED-WATER NUCLEAR REACTOR
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United States of America Patent
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Issued Date -
Dec 15, 2011
app pub date -
Nov 11, 2009
filing date -
Nov 13, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In a fuel element for a pressurized-water reactor, in addition to spacers, flow-guiding structural parts are arranged. The flow guiding parts include four outer webs which, in a plane oriented perpendicularly to the central longitudinal axis, surround a square inner region of which the center point lies on the central longitudinal axis. At their lower longitudinal side facing the flowing cooling water in the operating state, the outer webs are provided with deflection lugs pointing towards the inner region and are structurally identical, wherein mutually opposite outer webs are arranged mirror-symmetrically with respect to a center plane extending in the axial direction. Such a structural part forms, at most for a number of fuel rods which is smaller than their total number in the fuel element, cells through which a respective fuel rod is guided. The number of these cells, which are situated in a row or column, is smaller than the number of the fuel rods respectively situated in this row or column.
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