Alumina reduction by laser sustained plasma for aluminum-based renewable energy cycling | Zendy

Makoto Matsui | Zendy; Naohiro Fukuji | Zendy; Masakatsu Nakano | Zendy; Kimiya Komurasaki | Zendy; Yoshihiro Arakawa | Zendy; Tetsuya Goto | Zendy; H. Shirakata | Zendy

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Alumina reduction by laser sustained plasma for aluminum-based renewable energy cycling

Author(s) -

Makoto Matsui,

Naohiro Fukuji,

Masakatsu Nakano,

Kimiya Komurasaki,

Yoshihiro Arakawa,

Tetsuya Goto,

H. Shirakata

Publication year - 2013

Publication title -

journal of renewable and sustainable energy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.475

H-Index - 43

ISSN - 1941-7012

DOI - 10.1063/1.4807607

Subject(s) - nozzle , aluminium , materials science , plasma , argon , cycling , tube (container) , copper , renewable energy , metallurgy , reduction (mathematics) , laser , analytical chemistry (journal) , composite material , chemistry , optics , environmental chemistry , thermodynamics , electrical engineering , history , physics , geometry , mathematics , archaeology , quantum mechanics , engineering , organic chemistry

A novel alumina (Al2O3) reduction technique for a renewable energy cycling system based on aluminum is proposed. Al2O3 powder was fed into laser-sustained plasma and thermally dissociated. The produced Al was expanded to supersonic speeds through a nozzle. From the Al and argon line distributions in the flow direction, it was found that Al remained in the dissociated state. A water-cooled copper tube was inserted in the flow to collect Al. X-ray analysis indicated that elemental Al was observed on the surface of the tube. The maximum value of the estimated reduction efficiency was 5%.

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