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6.5千m級潜水調査船用動力源の概念設計

Conceptual design of an electric power source for a 6.5km class research submersible

大坪 章; 羽賀 一男

not registered; Haga, Kazuo

ナトリウム冷却高温高速炉およびリチウム冷却炉と、密閉ブレイトンサイクルシステムを用いた、電気出力200kWeの6,500m級潜水調査船用動力源の概念設計を行った。原子炉としては、以前可搬型炉として設計したSPECTRA炉を採用した。耐圧殻は、10%Ni鋼の超高張力鋼製で、形状は内径3mの球を横に2球連結した形をしている。原子炉システムよりの排熱は以前から検討している耐圧殻中を熱伝導で伝導し、海水中へ放熱する方式を用いた。本概念設計作業により、高速炉を用いた深海調査用の動力源が技術的に十分見込みがある事が確認された。

Conceptual design of a 200kWe power source for a 6.5 km class research submersible was performed by using a sodium and a lithium cooled high temperature reactors and a closed Brayton cycle system. The SPECTRA, which had been already designed as a portable reactor, was employed in the conceptual design. A pressure hull, made of high strength steel containing 10 % Ni, had the shape of two spheres connected horizontally, which had the same inner diameter of 3 m. Heat removal from the reactor system was by heat transfer to the sea water after thermal conduction through the pressure hull. The conceptual design work confirmed the technical availability of this system as the power source for the deep sea research submersible.

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