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Technical considerations on tritium breeding blanket systems for a fusion power reactor

T. Kuroda, K. Sato, T. Suzuki, T. Tone, M. Seki1989年Fusion Engineering and DesignIF 1.7出版社

Design studies of five candidate tritium breeding blankets for a fusion power reactor have been performed. The concept of a breeder outside of the coolant tubes (BOCT) was adopted for Li2O blankets in which the breeder is indirectly cooled by water or helium. For LiAlO2, a breeder inside the coolant tubes (BICT) concept was adopted on the basis of the chemical stability of LiAlO2. In this blanket the breeder is directly cooled by helium coolant. These solid breeders are fabricated in the form of small spheres to prevent thermal cracking and to ease in filling them in the blanket. A liquid lithium breeder employs a self-cooling concept and also a BOCT concept with helium indirect cooling of stagnant liquid lithium. In addition to evaluations of each blanket performance, technological problems and R&D issues for power reactor blanket development have been also identified.

日本語訳

核融合動力炉用の5つの候補トリチウム増殖ブランケットの設計研究が実施された。冷却管外側増殖体(BOCT)の概念は、水またはヘリウムにより間接冷却されるLi2Oブランケットに採用された。LiAlO2については、その化学的安定性に基づいて、冷却管内側増殖体(BICT)の概念が採用された。このブランケットでは、増殖体はヘリウム冷却材により直接冷却される。これらの固体増殖体は、熱衝撃による割れを防ぎ、ブランケットへの充填を容易にするために、小球状に成形される。液体リチウム増殖体は、自己冷却概念を採用し、また、停滞液体リチウムのヘリウム間接冷却を伴うBOCT概念も採用する。各ブランケットの性能評価に加えて、動力炉ブランケットの技術的課題と研究開発項目も特定された。

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TritiumBreeding blanketTritium breeding
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