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.
Numerical Simulation of Laser‐driven In‐Tube Accelerator on Supersonic Condition
BEAMED ENERGY PROPULSION: Second International Symposium on Beamed Energy Propulsion ; 2003 ; Sendai (JAPAN)
AIP Conference Proceedings ; 702 , 1 ; 92-102
2004-03-30
11 pages
Conference paper
Electronic Resource
English
Numerical Simulation of Laser-Driven In-Tube Accelerator on Supersonic Condition
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