Direct space launch using ram accelerator technology

Details Direct space launch using ram accelerator technology Direct space launch using ram accelerator technology

Feb 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aipc..552..583k&link_type=abstract

Space Technology and Applications International Forum - 2001. AIP Conference Proceedings, Volume 552, pp. 583-588 (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, Gravitational Radiation Detectors, Mass Spectrometers, And Other Instrumentation And Techniques, Artificial Earth Satellites

Scientific paper

The ram accelerator is a hypervelocity launcher that operates on the principles of a chemically propelled in tube ramjet. This concept is unique in its potential to launch large-scale projectiles to Earth orbit velocity while controlling the in-tube acceleration. Experimental investigation of the operating characteristics of the ram accelerator at several different facilities around the world has resulted in the demonstration of many key gas dynamic principles and logistical aspects needed for a space launch facility. These experimental results have been used to determine the parameters for a ram accelerator system capable of launching a 2000 kg projectile having an effective density of 1000 kg/m3 at velocities of 6-8 km/s, without exceeding 1500 g. The results of this study indicate that a multi-stage ram accelerator system would be an effective means to launch large-scale projectiles into orbit. .

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