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Title: COMPOSITE NEUTRONIC REACTOR

This patent relates to a reactor having a core which comprises an inner active region and an outer active region, each region separately having a k effective less than one and a k infinity greater than one. The inner and outer regions in combination have a k effective at least equal to one and each region contributes substantially to the k effective of the reactor core. The inner region has a low moderator to fuel ratio such that the majority of fissions occurring therein are induced by neutrons having energies greater than thermal. The outer region has a high moderator to fuel ratio such that the majority of fissions occurring therein are induced by thermal neutrons. (AEC)
Authors:
Publication Date:
OSTI Identifier:
4700694
Report Number(s):
US 3093653
Resource Type:
Patent
Resource Relation:
Other Information: Orig. Receipt Date: 31-DEC-63
Research Org:
Originating Research Org. not identified
Country of Publication:
United States
Language:
English
Subject:
REACTOR TECHNOLOGY; CRITICALITY; FAST FISSION FACTOR; FUELS; MODERATORS; MULTIPLICATION FACTORS; NEUTRONS; REACTOR CORE; REACTORS; THERMAL FISSION FACTOR; THERMAL NEUTRONS; ZONES