Published April 13, 1988 | Version v1
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HEU-LEU differentiation of AVR balls by gamma spectrometry

Creators

Description

Automatic translation: The spherical fuel elements in the AVR are about half each highly enriched (HEU: approx. 90% enriched uranium + thorium) and half of it is low enriched (LEU: 10: or 17% enriched Uranium). All balls pass after three to four weeks of subsidence the combustion measuring system of the AVR, which gamma spectrometrically detects each ball missing.

Abstract (German)

Die kugelförmigen Brennelemente im AVR sind etwa je zur Hälfte hochangereichert (HEU: ca. 90% angereichertes Uran + Thorium) und zur Hälfte niedrig angereichert (LEU: 10:bzw. 17% angereichertes Uran). Alle Kugeln passieren nach drei bis vier Wochen Abklingen die Abbrandmeßanlage des AVR, die jede Kugel gammaspektrometrisch vermißt.

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Additional details

Additional titles

Original title (German)
HEU-LEU Unterscheidung von AVR-Kugeln durch Gammaspektrometrie

Publishing Information

Imprint Pagination
4 p.
Report number
INIS-DE--21M0322

INIS

Country of Publication
Germany
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
52035885
Subject category
S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
Descriptors DEI
AVR REACTOR; FEDERAL REPUBLIC OF GERMANY; FORSCHUNGSZENTRUM JUELICH; FUEL ELEMENTS; GAMMA SPECTROSCOPY; HIGHLY ENRICHED URANIUM; HTGR TYPE REACTORS; SLIGHTLY ENRICHED URANIUM; SPHERICAL CONFIGURATION; THORIUM
Descriptors DEC
ACTINIDES; CONFIGURATION; DEVELOPED COUNTRIES; ELEMENTS; ENRICHED URANIUM; ENRICHED URANIUM REACTORS; EUROPE; GAS COOLED REACTORS; GERMAN FR ORGANIZATIONS; GRAPHITE MODERATED REACTORS; HELIUM COOLED REACTORS; HOMOGENEOUS REACTORS; HTGR TYPE REACTORS; ISOTOPE ENRICHED MATERIALS; MATERIALS; METALS; NATIONAL ORGANIZATIONS; PEBBLE BED REACTORS; POWER REACTORS; REACTOR COMPONENTS; REACTORS; SOLID HOMOGENEOUS REACTORS; SPECTROSCOPY; THERMAL REACTORS; THORIUM REACTORS; URANIUM; WESTERN EUROPE

Optional Information

Notes
Document from Juelich Preservation Project; 1 fig.