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Title: Nuclear reactor composite fuel assembly

Abstract

A core and composite fuel assembly for a liquid-cooled breeder nuclear reactor including a plurality of elongated coextending driver and breeder fuel elements arranged to form a generally polygonal bundle within a thin-walled duct. The breeder elements are larger in cross section than the driver elements, and each breeder element is laterally bounded by a number of the driver elements. Each driver element further includes structure for spacing the driver elements from adjacent fuel elements and, where adjacent, the thin-walled duct. A core made up of the fuel elements can advantageously include fissile fuel of only one enrichment, while varying the effective enrichment of any given assembly or core region, merely by varying the relative number and size of the driver and breeder elements.

Inventors:
 [1];  [2];  [1];  [1]
  1. (Richland, WA)
  2. (West Richland, WA)
Issue Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
OSTI Identifier:
863728
Patent Number(s):
4235669
Assignee:
United States of America as represented by United States (Washington, DC) PNNL
DOE Contract Number:  
E(45-1)-2170
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
nuclear; reactor; composite; fuel; assembly; core; liquid-cooled; breeder; including; plurality; elongated; coextending; driver; elements; arranged; form; polygonal; bundle; thin-walled; duct; larger; section; element; laterally; bounded; structure; spacing; adjacent; advantageously; fissile; enrichment; varying; effective; region; merely; relative; size; reactor including; adjacent fuel; fuel elements; fuel element; nuclear reactor; fuel assembly; core region; composite fuel; elements arranged; breeder nuclear; breeder fuel; /376/976/

Citation Formats

Burgess, Donn M., Marr, Duane R., Cappiello, Michael W., and Omberg, Ronald P. Nuclear reactor composite fuel assembly. United States: N. p., 1980. Web.
Burgess, Donn M., Marr, Duane R., Cappiello, Michael W., & Omberg, Ronald P. Nuclear reactor composite fuel assembly. United States.
Burgess, Donn M., Marr, Duane R., Cappiello, Michael W., and Omberg, Ronald P. Tue . "Nuclear reactor composite fuel assembly". United States. https://www.osti.gov/servlets/purl/863728.
@article{osti_863728,
title = {Nuclear reactor composite fuel assembly},
author = {Burgess, Donn M. and Marr, Duane R. and Cappiello, Michael W. and Omberg, Ronald P.},
abstractNote = {A core and composite fuel assembly for a liquid-cooled breeder nuclear reactor including a plurality of elongated coextending driver and breeder fuel elements arranged to form a generally polygonal bundle within a thin-walled duct. The breeder elements are larger in cross section than the driver elements, and each breeder element is laterally bounded by a number of the driver elements. Each driver element further includes structure for spacing the driver elements from adjacent fuel elements and, where adjacent, the thin-walled duct. A core made up of the fuel elements can advantageously include fissile fuel of only one enrichment, while varying the effective enrichment of any given assembly or core region, merely by varying the relative number and size of the driver and breeder elements.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1980},
month = {1}
}

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