Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aipc..552..589w&link_type=abstract
Space Technology and Applications International Forum - 2001. AIP Conference Proceedings, Volume 552, pp. 589-598 (2001).
Astronomy and Astrophysics
Astronomy
Spaceborne And Space Research Instruments, Apparatus, And Components, Other Topics In Instruments, Apparatus, And Components Common To Several Branches Of Physics And Astronomy
Scientific paper
This paper describes a new concept for propelling a projectile to hypervelocities and demonstrates the feasibility by numerical simulations. The concept employs imploding blast waves to accelerate a projectile which travels down a launch tube. The launch tube can be open to the atmosphere or sealed and maintained at some low pressure to minimize drag. The launch tube has a liner that contains a suitable explosive or energetic material. The explosive is configured with inert annular rings so as to prevent upstream detonation. A suitable trigger detonates each explosive ring sequentially as the projectile passes. The resulting blast wave causes an elevated pressure on the aft-end of the projectile. The acceleration continues until the projectile leaves the tube. In theory, launch velocities exceeding 6 km/s are possible. .
Tan Zhiqiang
Wilson Dennis
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