Non-Contact DC Electromagnetic Propulsion by Multipole Transversal Field: Numerical and Experimental Validation

被引:9
作者
Gutierrez, Hector [1 ]
Meinke, Rainer [2 ]
Fernando, Thilina [3 ]
Kirk, Daniel [1 ]
机构
[1] Florida Inst Technol, Dept Mech & Aerosp Engn, Melbourne, FL 32901 USA
[2] Adv Magnet Lab, Palm Bay, FL 32905 USA
[3] ElectroCraft New Hampshire Inc, Dover, NH 03820 USA
关键词
DC electromagnetic launch; dc multipole magnetic field; double-helix (DH) coil; electromagnetic launch; electromagnetic propulsion; non-contact electromagnetic propulsion; transversal magnetic field; INDUCTION; DESIGN; LAUNCHER; COIL;
D O I
10.1109/TMAG.2016.2553644
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper describes the numerical and experimental validation of a novel non-contact dc electromagnetic propulsion concept. In the proposed approach, a propulsion coil carrying a dc current is surrounded by a dc transversal multipole field created inside of a launch tube. The interaction between the transversal dc magnetic field and a dc propulsion coil results in the generation of axial (thrust) force with no need of sliding contacts. This paper describes a numerical assessment of the field-current-force interactions based on both analytical calculations and finite elements, and the corresponding validation experiments. The experiments demonstrate the generation of contactless axial (thrust) force in a dc launch coil using a dc transversal multipole field, and provide a benchmark for the model-based prediction of the field-current-force interactions. Partial magnetic shielding of the propulsion coil is used to selectively attenuate the magnetic field experienced by the thrust coil in a way that a net thrust force is achieved. Experimental measurements confirmed that it is indeed possible to generate contact-free thrust force on a dc propulsion coil using a dc multipole magnetic field, and the measured values of thrust force are in good agreement with the corresponding predictions.
引用
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页数:10
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