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Air Defense Department, “Henri Coandă” Air Force Academy , Barsov , Romania
Air Defense Department, “Henri Coandă” Air Force Academy , Barsov , Romania
Aviation Department, “Henri Coandă” Air Force Academy , Brasov , Romania
Aviation Department, “Henri Coandă” Air Force Academy , Brasov , Romania
This paper presents a brand new induction electromagnetic launcher, which uses two magnetic fluxes in order to accelerate a projectile. One magnetic flux induce a current in the armature and the second magnetic flux is creating a radial magnetic field. This aproach offer multiple advantages over single flux designs. First we are able to control the induced current in armature because we use the coil just to induce current inside the ring with a great efficiency. Second advantage is the angle of 90 0 between magnetic field density B and the ring. We used the induction to avoid contact between armature and accelerator. In order to create the magnetic field radial we used four coils perpendicular on armature. This approach alove us to control the phase difference between induced current in armature and current in magnetic field coils for a maximum force. The phase difference is obtained by changing the frequency of magnetic field coils power source. We used simulation software to analyze, and simulate a multistage induction coilgun design with two fluxes. The simulation results demonstrated the theoretical results.
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