Conceptual Study on Recriticality Prevention Core Having Duplex Pellets with Neutron Absorber in Outer Core in a Fast Reactor

<table class="fixed-width table-group" id="tab2"><tr><td><table class="table"><colgroup><col style="width:12.89em"/><col style="width:12.42em"/><col style="width:12.42em"/></colgroup><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Item</td><td class="align_center">Core having Duplex pellets with neutron absorber in the inner core</td><td class="align_center">Core having Duplex pellets with neutron absorber in the outer core</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Compaction reactivity(%Δ<i>ρ</i>)</td><td class="align_center">+4.0</td><td class="align_center">-1.7</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparison of compaction reactivity between the core having Duplex pellets with neutron absorber in the inner and outer cores.</div>

Science and Technology of Nuclear Installations

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Table 2: Conceptual Study on Recriticality Prevention Core Having Duplex Pellets with Neutron Absorber in Outer Core in a Fast Reactor 