Journal of Navigation and Port Research (한국항해항만학회지)

Korean Institute of Navigation and Port Research (한국항해항만학회)
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Application of superconductor technology to electromagnetic ship propulsion system

  • Lee Seung-Hwan (MOMAF Sea Grant Model College Center, Korea Maritime University)
  • Published : 2005.06.01
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Abstract

The superconducting electromagnetic propulsion system has been proposed as one of new alternative propulsion systems. Especially, the helical-type propulsion system has the greatest merit that is able to use the solenoid-type superconducting magnets with high magnetic fields. In this study, calculations of characteristics of the large scale helical-type thruster are carried out on the basis of our experimental results. As a couple of results of calculations, it is found that the thruster efficiency quickly increases with the length of electrode up to about 5 m and then goes up to about 0.9. The thruster efficiency peaks at a certain point ($^{\sim}0.6\;m$) and then falls as length of pitch increases.

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