Numerical Simulation of Laser-driven In-Tube Accelerator on Supersonic Condition

Details Numerical Simulation of Laser-driven In-Tube Accelerator on Supersonic Condition Numerical Simulation of Laser-driven In-Tube Accelerator on Supersonic Condition

Mar 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aipc..702...92k&link_type=abstract

BEAMED ENERGY PROPULSION: Second International Symposium on Beamed Energy Propulsion. AIP Conference Proceedings, Volume 702, p

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Applications

Laser Applications, Spaceborne And Space Research Instruments, Apparatus, And Components, Plasma Production And Heating By Laser Beams

Scientific paper

Recently, several laser propulsion vehicles have been launched successfully. But these vehicles remained in a very low subsonic flight. Laser-driven In-Tube Accelerator (LITA) is developed as unique laser propulsion system at Tohoku University. In this paper, flow characteristics and momentum coupling coefficients are studied numerically in the supersonic condition with the same configuration of LITA. Because of the aerodynamic drag, the coupling coefficient could not get correctly especially at the low energy input. In this study, the coupling coefficient was calculated using the concept of the effective impulse.

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