Laser Propulsion Using Metal-Free Water Cannon Target

Laser Propulsion Using Metal-Free Water Cannon Target

We have shown that a metal target covered with water, Water Cannon target (WC), provides higher Cm than a pure metal target. We improved repetitive water supply system and succeeded in driving a miniature car of 70g weight by only 1.4J YAG laser. Then we invented new target, Metal Free Water Cannon...

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Veröffentlicht in:Beamed Energy Propulsion: Third International Symposium on Beamed Energy Propulsion 2005-01, Vol.766, p.394-405
Hauptverfasser: Ohkubo, Tomomasa, Yabe, Takashi, Miyazaki, Sho, Baasandash, Choijil, Taniguchi, Kazumoto, Mabuchi, Akito, Tomita, Daisuke, Ogata, Yoichi, Hasegawa, Jun, Horioka, Kazuhiro
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Sprache:eng
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Zusammenfassung:We have shown that a metal target covered with water, Water Cannon target (WC), provides higher Cm than a pure metal target. We improved repetitive water supply system and succeeded in driving a miniature car of 70g weight by only 1.4J YAG laser. Then we invented new target, Metal Free Water Cannon target (MFWC) which can be driven into any direction. In addition, we improved it and invented Water Film Cannon (WFC). Cm of 3680[N.s/MJ] was achieved with WFC. By using this system, we propose a piston engine and vertical launch system. We also examined a similar propulsion system with CO2 laser and found some enhancement with water cannon.
ISSN:0094-243X
DOI:10.1063/1.1925160