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Study of Friction Force in Electrodynamic Rail Accelerator: Experiment and Interpretation Using FEM Modelling

1
Department of Electrotechnology, Czech Technical University, Technická 2, 166 27 Praha, Czech Republic
2
Department of Communication Technologies, Electronic Warfare and Radiolocation, University of Defense in Brno, Kounicova 65, 602 00 Brno, Czech Republic
3
Department of Weapons and Ammunition, University of Defense in Brno, Kounicova 65, 602 00 Brno, Czech Republic
4
Department of Electrical Power Engineering, Czech Technical University, Technická 2, 166 27 Praha, Czech Republic
*
Author to whom correspondence should be addressed.
Physics 2020, 2(4), 596-607; https://doi.org/10.3390/physics2040034
Received: 8 September 2020 / Revised: 19 October 2020 / Accepted: 20 October 2020 / Published: 25 October 2020
(This article belongs to the Section Applied Physics)
The paper presents experimental data and a model of an electromagnetic rail accelerator. The model includes an equivalent circuit, magnetic field in the system and movement of the projectile (that is solved separately) which is computed numerically. The main results are compared with our experimental data and friction force during acceleration is evaluated. View Full-Text
Keywords: electromagnetic rail accelerator; mathematical model; numerical analysis; force effects; finite element method; friction force electromagnetic rail accelerator; mathematical model; numerical analysis; force effects; finite element method; friction force
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Tichý, T.; Zemen, J.; Dražan, L.; Racek, F.; Papež, V.; Doležel, I. Study of Friction Force in Electrodynamic Rail Accelerator: Experiment and Interpretation Using FEM Modelling. Physics 2020, 2, 596-607.

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