Modeling of the Gyroscopic Stabilization in a Traveling-Wave Multipole Field Electromagnetic Launcher via an Analytical Approach

This paper presents an analytical model for the investigation of the gyroscopic stabilization of the launch package in induction-type coilguns. By a proper arrangement of coils and of their feeding currents, a traveling wave of flux density is produced, which is characterized by axial and azimuthal...

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Bibliographic Details
Published in:IEEE transactions on plasma science 2015-05, Vol.43 (5), p.1236-1241
Main Authors: Musolino, Antonino, Raugi, Marco, Rizzo, Rocco, Tripodi, Ernesto
Format: Article
Language:English
Subjects:
Analytical models
Coils
computational electromagnetics
Current density
eddy current
Electric currents
electromagnetic launching
Electromagnetism
electromechanical systems
Equations
Force
induction motor
Manganese
Mathematical model
Vectors
Velocity
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Summary:This paper presents an analytical model for the investigation of the gyroscopic stabilization of the launch package in induction-type coilguns. By a proper arrangement of coils and of their feeding currents, a traveling wave of flux density is produced, which is characterized by axial and azimuthal components of velocity. The resulting action exerted on a conductive cylinder has components in the same directions as the traveling wave. This produces a helical motion of the armature. Since the governing vector field equation is not separable in the cylindrical coordinate, an approach based on the second-order vector potential formulation has been adopted here.
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2015.2403774