Hypersonic and electromagnetic railgun technology as a future alternative for the launch of suborbital payloads

Details Hypersonic and electromagnetic railgun technology as a future alternative for the launch of suborbital payloads Hypersonic and electromagnetic railgun technology as a future alternative for the launch of suborbital payloads

Aug 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003esasp.530..185b&link_type=abstract

In: 16th ESA Symposium on European Rocket and Balloon Programmes and Related Research, 2 - 5 June 2003, Sankt Gallen, Switzerlan

Computer Science

Sound

Space Flight: Techniques, Instrumentation, Ranges

Scientific paper

Astrium -Space Infrastructure- is currently performing an ESA funded study to investigate the use of Railgun Technology as an alternative access to high atmospheric altitudes. The subject of this project study is to demonstrate the feasibility of launching small meteorological science payloads by means of hypersonic projectiles, which are accelerated by an electromagnetic railgun with an end velocity of about 2100m/s. Associated with this new non-conventional propulsion technique is the development of leading-edge hypersonic projectiles to withstand a harsh environment with accelerations of about 10,000g and high tip temperatures. The choice of materials for the hypersonic projetile's case and insulation to protect any payload is a demanding engineering task. Above all it has to be lightweight and inexpensive. Compared to the solid and/or liquid rockets available today, a railgun offers several advantages such as high efficiency with high repetitions rates and low recurring costs. A launch price is envisaged which is drastically lower per kilo than today's marked prices for conventional atmospheric sounding rockets.

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