1 0 0 0 OA 液体水素およびスラッシュ水素技術の現状と応用
- 著者
- 大平 勝秀
- 出版者
- 公益社団法人 低温工学・超電導学会 (旧 社団法人 低温工学協会)
- 雑誌
- 低温工学 (ISSN:03892441)
- 巻号頁・発行日
- vol.41, no.2, pp.61-72, 2006 (Released:2007-02-15)
- 参考文献数
- 29
- 被引用文献数
- 6 6
Since liquid hydrogen has a high specific impulse as fuel for rockets, its technology has been developed in connection with space technology programs. On the other hand, with the recent advance of technologies such as fuel-cell vehicles and stationary fuel-cell systems, liquid hydrogen is also expected to be used as an efficient means of transporting and storing hydrogen used as a source for clean energy. Slush hydrogen is a two-phase solid-liquid cryogenic fluid consisting of solid hydrogen particles in liquid hydrogen. Compared with liquid hydrogen, the density and cryogenic heat capacity of slush hydrogen with a solid fraction of 50% increase by 16% and 18%, respectively. Various applications of slush hydrogen are anticipated such as fuel for reusable space shuttles and fuel cells, and as a more efficient means of transporting and storing liquid hydrogen. This paper describes the applications and technology developments of liquid and slush hydrogen.