Abstract
The electromagnetic railgun has the obvious advantages of high precision, wide strike range, low launch cost, and highspeed launch. However, the current concentration phenomenon of traditional electromagnetic railguns seriously reduces the service life of railguns. In this paper, a new type of electromagnetic railgun is designed in view of the shortcomings of the current railgun. At the same time, the orthogonal experiment method is used to optimize the model to select the basic type of railgun. And by using Ansys Maxwell simulation software to compare and analyze the concave, convex and planar contact modes, draw conclusions. The results show that the convex electromagnetic railgun has the advantages of uniform current distribution, large electromagnetic thrust and stable structure.
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