PROJECT TITLE :
Design and Testing a Novel Armature on Railgun
Based mostly on understanding the characteristics of the impulse force generated by pulsed current of the armature, it is valuable to explore effective ways to improve the armature structure to reinforce the stability and prevent from the transition and erosion throughout launching. This paper initial lists a series of conversional armature and therefore the characteristics of these armatures are illuminated. A C-formed armature is simulated based mostly on the electrical–magnetic–mechanical coupled analysis methodology. The simulation shows that the strain is especially distributed in the world between the cross member and arm, it could cause native deformation. A unique concave armature is proposed and the simulation results indicate that the stress is especially distributed within the inner facet of arm and therefore the front of armature. It's useful to push heavy load and avoid deformation and fracture. A device is made to validate the feasibility of armature. The armature is staying still to simulate pushing the infinite heavy load. The experimental results show that the concave armature endures higher current and has the stronger capability of pushing load compared with the C-shaped armature. This sort of armature provides a valuable reference for future armature design.
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