Ellis
Ellis
Ellis
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Reactivity [1/k_inf,unvoid - 1/k_inf,void] (%)<br />
0.00<br />
-40.00<br />
-80.00<br />
-120.00<br />
Void Reactivity Effect for LEU<br />
0.0 20.0 40.0 60.0 80.0 100.0<br />
Void (%)<br />
Solid curves are for fresh fuel;<br />
Dashed curves are for midburnup fuel (20 MWd/kg)<br />
Figure 6. Void Reactivity Effects in LEU Fuel for Various Enrichments. The Fuel Enrichment<br />
(in wt% 235 U) is Shown at the Right Axis for Each Pair of Curves.<br />
16<br />
20%<br />
16%<br />
12%<br />
8%<br />
6%<br />
4%<br />
2%