Measurements at the ISL-EMA 1 railgun facility
- Institut Franco-Allemand de Recherches de Saint-Louis, 68 (France)
In this paper the instrumentation of a 500 kJ, 15 mm bore diameter railgun and the power switching are described in detail. Emphasis has been laid on electro-optical measurement techniques. The presented results include electrical measurements on the switching circuit, breech and muzzle voltages and projectile position. In addition, material problems concerning rail erosion with plasma-driven projectiles are discussed. After some ten shots with peak currents up to 600 kA, rails and insulators were fully operational. The rail material loss has been tolerable. The surface roughness increased remarkably, due to the formation of a porous heterogeneous, nearly insulating surface layer of variable thickness.
- OSTI ID:
- 5730215
- Report Number(s):
- CONF-9004136-; CODEN: IEMGA
- Journal Information:
- IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (United States), Vol. 27:1; Conference: 5. IEEE symposium on electromagnetic launcher technology, Destin, FL (United States), 1-5 Apr 1990; ISSN 0018-9464
- Country of Publication:
- United States
- Language:
- English
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PLASMA DIAGNOSTICS
RAILGUN ACCELERATORS
ELECTRO-OPTICAL EFFECTS
EROSION
MATERIALS TESTING
PLASMA ACCELERATION
PROJECTILES
SURFACES
SWITCHING CIRCUITS
ACCELERATION
ACCELERATORS
ELECTRONIC CIRCUITS
TESTING
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