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Electromagnetic launchers for space applicationsAn electromagnetic launcher (EML) was designed for NASA-Langley to boost large models to hypervelocity for flight evaluation. Two different concepts were developed using railgun and coilgun principles. A coilgun was designed to accelerate a 14-kg mass to 6 km/s and, by adding additional equipment, to accelerate a 10-kg mass to 11 km/s. The railgun system was designed to accelerate only 14 kg to 6 km/s. Of significance in this development is the opportunity to use the launcher for aeroballistic research of the upper atmosphere, eventually placing packages in low earth orbit using a small rocket. The authors describe the railgun and coilgun launch designs and suggest a reconfiguration for placement of 150-kg parcels into low earth orbit for aeroballistic studies and possible space lab support. Each design is detailed along with the performance adjustments which would be required for circular orbit payload placement.
Document ID
19890044698
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Schroeder, J. M.
(Texas Univ. Austin, TX, United States)
Gully, J. H.
(Texas Univ. Austin, TX, United States)
Driga, M. D.
(Texas, University Austin, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1989
Publication Information
Publication: IEEE Transactions on Magnetics
Volume: 25
ISSN: 0018-9464
Subject Category
Ground Support Systems And Facilities (Space)
Accession Number
89A32069
Funding Number(s)
CONTRACT_GRANT: NAG1-721
Distribution Limits
Public
Copyright
Other

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