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Return To: Session ITERP2 - ITER EDA 2 (Saturday, 24
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S. O'Hira 1, T. Hayashi , H. Nakamura ,
K. Kobayashi , T. Tadokoro , H. Nakamura , T. Itoh ,
T. Yamanishi , Y. Kawamura , Y. Iwai , T. Arita ,
T. Maruyama , T. Kakuta , S. Konishi , M. Enoeda ,
M. Yamada , T. Suzuki , M. Nishi , T. Nagashima , and
M. Ohta
Japan Atomic Energy Research Institute Tokai, Ibaraki,
319-11 Japan
1 Present address: Tritium Engineering Laboratory, Japan Atomic Energy
Research Institute, Tokai 319-1195 Japan
Abstract
In order to improve the safe handling and control of tritium for
ITER fuel cycle, effective ``in-situ'' tritium accounting methods have been
developed at Tritium Process Laboratory in Japan Atomic Energy Research
Institute under one of the ITER -EDA R&D Tasks. A remote and multi-location
analysis of process gases by an application of laser Raman spectroscopy
developed and tested could provide a measurement of hydrogen isotope gases
with a detection limit of 0.3 kPa for 120 seconds analytical periods. An
``in-situ'' tritium inventory measurement by application of a ``self
assaying'' storage bed with 25 g tritium capacity could provide a measurement
with a required detection limit less than 1 % and a design proof of a bed
with 100 g tritium capacity.
IAEA 1999