Abstract
Electromagnetic railgun is the main research type of electromagnetic launcher. Researchers have found that the electromagnetic launcher with multipole track structure is capable of greatly improving the comprehensive performance of simple railgun. In this paper, a new quadrupole track electromagnetic launcher model is designed on the basis of simple railgun and quadrupole railgun. In order to fully analyze the electromagnetic characteristics of the model, the theoretical analysis of the structure is carried out at first. Then, under the same conditions as possible, the electromagnetic characteristics of it and the quadrupole railgun model are simulated and compared by using Ansys Maxwell simulation software. The results reveal that the new quadrupole track electromagnetic launcher model has the advantages of more concentrated magnetic field, more uniform armature current distribution and greater electromagnetic thrust.
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