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COMMON PLENUM FUEL ASSEMBLY DESIGN SUPPORTING A COMPACT VESSEL, LONG-LIFE CORES, AND EASED REFUELING IN POOL-TYPE REACTORS
COMMON PLENUM FUEL ASSEMBLY DESIGN SUPPORTING A COMPACT VESSEL, LONG-LIFE CORES, AND EASED REFUELING IN POOL-TYPE REACTORS
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机译:支持紧凑型容器,长寿命孔和池式反应器简易回流的通用增压油组件设计
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摘要
A fuel assembly for use in a nuclear reactor comprising a fuel bundle, a plenum header connection positioned on the fuel bundle, a mast extending from the fuel bundle, and a common fission gas plenum extending from the mast is disclosed. The reactor includes a vessel and coolant situated within the vessel. The fuel bundle comprises a plurality of fuel elements including nuclear fuel material positioned therein. The plenum header connection comprises a plurality of passageways defined therein that are in fluid communication with the nuclear fuel material. The elongate mast comprises an internal passage connecting the common fission gas plenum to the plurality of passageways of the plenum header connection such that the common fission gas plenum is configured to receive an amount of fission gas generated by the nuclear fuel material during operation. The common fission gas plenum is positioned in an otherwise unused portion of the vessel.
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