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Bullet And Magnetic levitation Trains

Bullet Trains

History

  • 140-250 mph
  • aerodynamics
  • shocks, spoilers
  • pantographs
  • Peter Cooper- (1830)steam engine
  • Rapid expansion
  • The slowdown for trains
  • A Greener Earth and overcrouded

The main problem

  • Friction!

Maglev Trains

Problems with bullet trains

  • no friction!
  • at least 300 mph-350
  • minimum maintenance
  • weather
  • lower cost to run
  • charges itself
  • emf=-N(phi)/t (faradays law)
  • Hunting oscillation (forces)
  • regular maintenance
  • weather
  • all wheel drive
  • arching---->

plasma arc discharge

EDS Vs EMS

How they work

demonsrtation

EDS VS EMS

  • levitation--->
  • ac current
  • frequency
  • push/pull
  • position sensor
  • superconducting
  • suspension
  • speed
  • safety
  • more maintenance

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