Tritium measurements for super(6)Li-enriched Li sub(2)TiO sub(3) breeding blanket experiments with D-T neutrons

The JAERI Fusion Neutronics Source (FNS) group has carried out experiments with breeding blanket mock-ups composed of layers of beryllium, ferritic steel F82H and super(6)Li enriched lithium titanate ceramics, Li sub(2)TiO sub(3). Pellets of enriched Li sub(2)TiO sub(3) with a diameter of 12 mm and...

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Published inFusion science and technology Vol. 41; no. 3 II; pp. 1040 - 1043
Main Authors Klix, Axel, Ochiai, Kentaro, Terada, Yasuaki, Morimoto, Yuichi, Yamauchi, Michinori, Hori, Junichi, Nishitani, Takeo
Format Journal Article
LanguageEnglish
Published 01.05.2002
Subjects
Breeding blankets
Fusion reactors
Lithium compounds
Neutron irradiation
Neutrons
Scintillation counters
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Summary:The JAERI Fusion Neutronics Source (FNS) group has carried out experiments with breeding blanket mock-ups composed of layers of beryllium, ferritic steel F82H and super(6)Li enriched lithium titanate ceramics, Li sub(2)TiO sub(3). Pellets of enriched Li sub(2)TiO sub(3) with a diameter of 12 mm and a thickness of 2 mm were used as detectors inside the tritium breeding layer. After irradiation, the pellets were dissolved and the tritium activity in the sample solution was measured by liquid scintillation counting. The experimentally obtained tritium production profile in the lithium titanate layer agreed well with MCNP calculations within the estimated error range of the experimental values (10%). Tritium loss from the pellet during storage time at room temperature, a few days, was experimentally found to be negligible.
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ISSN:1536-1055