トリチウム流路変更システムへの制動X線計測装置の適用性

概要

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Applicability of the bremsstrahlung counting device to a changeover system of a tritium flow channel has been examined. To simulate a tritium stream, a tritium flow simulator was fabricated. It consists of a radiation detector, low energy X-ray source and its reciprocative motion system. The performance of the tritium flow simulator was examined at first. It was revealed that the simulator could produce preferable peak profiles. In addition, it was observed that the products of a given total count and moving velocity of the X-ray source were almost constant, and also that the simulator performed very well. However, to evaluate the feasibility of an automatic control for the changeover system of a flow channel by a signal from the simulator, the simulator needed to be electrically connected with two valves through a comparator, and the opening and closing action of the two valves have been examined by changing the moving velocity of the radiation source and the accumulation time of the scaler. The preferable action of the two valves could be confirmed, and it was revealed that the bremsstrahlung counting device would be applicable to a changeover system of a tritium flow channel.
富山大学の論文