Open AccessAnalysis and optimization of the two-dimensional model of the armature rotation on the electromagnetic railgun
Author(s) -
Xiangrong Liu,
Fuqiang Ma,
Jiufu Wei,
Baoming Li
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1507/7/072010
Subject(s) - armature (electrical engineering) , railgun , physics , mechanics , torque , classical mechanics , magnet , quantum mechanics , thermodynamics
In order to generate enough electromagnetic torque on the armature during the electromagnetic launching process, an asymmetrical structure is adopted in this paper. And a two-dimensional armature model is established for analyzing this asymmetrical structure. Based on this model and the translational equation of the armature, the size parameters of the armature are optimized under the premise of the fixed device parameters of the pulse power supplies and the barrel. The effective length of the armature is between 5mm and 20mm, and the radius of the internal contour for the armature is between 0 and 4mm. The results show that when the above two parameters are 20mm and 4mm respectively, the armature can obtain the largest angular velocity. The maximum value is up to 1087.3rad/s. It is meaningful to guide the armature design of the electromagnetic railgun.