5. DT実験における放射線安全(<小特集> TFTRのDT実験)

概要

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Radiological safety problems of TFTR D-T experiments are described. Contribution of radioactivity to the annual property line total dose equivalent is less than 2.4 mrem for an estimated maximum D-T neutron yield of 1 × 10^<21>/y. This result is consistent with the design objective of limiting the total dose at the property line, 10 mrem/y. Activation dose rate near vacuum vessel reaches 100 mrem/h during D-T operations. After the completion of two years D-T experiments, decontamination and decommissioning activities will commence for three years.
1995-03-25