INTER-MODULE FUEL SHUFFLING

A method of loading fuel assemblies in a fuel array within a reactor core is described. The fuel array has a first section a second section and a third section. The method comprises:assembling a first fuel configuration in which:the first section comprises a plurality of first fuel assemblies (A0),...

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Bibliographische Detailangaben
Hauptverfasser: INGERSOLL, Daniel, KITTO, Allyson, REYES, Jose, N., Jr
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A method of loading fuel assemblies in a fuel array within a reactor core is described. The fuel array has a first section a second section and a third section. The method comprises:assembling a first fuel configuration in which:the first section comprises a plurality of first fuel assemblies (A0), wherein the first fuel assemblies have a first reactivity;the second section comprises a plurality of second fuel assemblies (B), wherein the second fuel assemblies have a second reactivity less than the first reactivity; andthe third section comprises a plurality of third fuel assemblies (C), wherein the third fuel assemblies have a third reactivity less than the second reactivity;operating the reactor core with the first fuel configuration; andafter operating the reactor core with the first fuel configuration, assembling a second fuel configuration in which-the first section comprises a plurality of fourth fuel assemblies (A1), wherein the fourth fuel assemblies have a fourth reactivity;the second section comprises the first fuel assemblies, wherein the first fuel assemblies have a fifth reactivity less than the fourth reactivity; andthe third section comprises the second fuel assemblies, wherein the second fuel assemblies have a sixth reactivity less than the fifth reactivity.