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Conceptual study on high performance blanket in a spherical tokamak fusion-driven transmuter

Yixue Chen, Yican Wu2000年Fusion Engineering and DesignIF 1.7出版社

AbstractA preliminary conceptual design on high performance dual-cooled blanket of fusion-driven transmuter is presented based on neutronic calculation. The dual-cooled system has some attractive advantages when utilized in transmutation of HLW (High Level Wastes). The calculation results show that this kind of blanket could safely transmute about 6 ton minor actinides (produced by 170 GW(e) Year PWRs approximately) and 0.4 ton fission products per year, and output 12 GW thermal power. In addition, the variation of power and critical factor of this blanket is relatively little during its 1-year operation period. This blanket is also tritium self-sustainable.

日本語訳

核変換駆動炉の高性能二重冷却ブランケットに関する予備的概念設計を、中性子計算に基づいて提示する。二重冷却システムは、高レベル廃棄物(HLW)の核変換に利用する際にいくつかの魅力的な利点を有する。計算結果によれば、この種のブランケットは、年間約6トンのマイナーアクチニド(約170GW(e)年分のPWRに相当)と0.4トンの核分裂生成物を安全に核変換でき、12GWの熱出力を生み出すことができる。さらに、このブランケットの出力と実効増倍係数の変動は、1年間の運転期間中比較的小さい。このブランケットはまた、トリチウム自給自足が可能である。

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