Fuel element for a boiling water nuclear reactor
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United States of America Patent
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Jul 29, 2003
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N/A
app pub date -
Jun 18, 2001
filing date -
Dec 18, 1998
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Abstract
In a boiling water fuel assembly, some of the fuel rods are shortened. It is necessary to establish a sufficiently high maximum power for transition to boiling. To optimize this power, spacers are at a constant distance at a bottom and are at a shorter distance at a top. The spacers belonging to upper group have turbulence-generating vanes which, however, do not project above the shortened fuel rods.
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