On the design of an integrated metal armature and sabot for railguns

Proper design of a solid metal armature and sabot is critical to obtain optimal railgun performance and to reduce rail wear. Previous armature designs only considered bulk ohmic heating and static mechanical design of the armature. This report discusses the extension of the analysis of armature heat...

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Bibliographic Details
Published in:IEEE transactions on magnetics 1986-11, Vol.22 (6), p.1470-1474
Main Authors: Ferrentino, G., Kolkert, W.
Format: Article
Language:English
Subjects:
Armature
Copper
Friction
Heating
Performance analysis
Performance evaluation
Projectiles
Railguns
Rails
Solids
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Description
Summary:Proper design of a solid metal armature and sabot is critical to obtain optimal railgun performance and to reduce rail wear. Previous armature designs only considered bulk ohmic heating and static mechanical design of the armature. This report discusses the extension of the analysis of armature heating to include thermal heating induced by sliding friction at the armature-rail interface, and the experiments performed to evaluate the simplified armature design model. The implications of results on the development of armature design models are also discussed.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.1986.1064653