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Ion Thrusters

Ion Thrusters. Michael Fountain. Overview. What Is An Ion Thruster How It Works Applications The Future. What Is An Ion Thruster. Form of electric propulsion that creates thrust by accelerating ions Electrostatic – use Coulomb Force Electromagnetic – use Lorentz Force

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Ion Thrusters

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  1. Ion Thrusters Michael Fountain

  2. Overview • What Is An Ion Thruster • How It Works • Applications • The Future

  3. What Is An Ion Thruster • Form of electric propulsion that creates thrust by accelerating ions • Electrostatic – use Coulomb Force • Electromagnetic – use Lorentz Force • Currently Only Practical in Space

  4. What Is An Ion Thruster • Low Thrust, High Efficiency • 0.5 N of Thrust • 200,000 mph top speed • 18,000 mph in Space Shuttle • Low impulse = 90% efficiency • 35% in Space Shuttle

  5. How It Works

  6. Applications • Satellite Stabilization • Deep Space I • SMART I

  7. The Future • Prometheus • Nuclear Powered Ion Thrusters • Deep Space Human Exploration

  8. The Future • TIE Fighters? • Twin Ion Engine

  9. References • http://www.nasa.gov/centers/glenn/technology/Ion_Propulsion1.html • http://www.nasa.gov/vision/universe/features/nep_prometheus.html • http://en.wikipedia.org/wiki/Ion_thruster

  10. Conclusion • What Is An Ion Thruster • How It Works • Applications • The Future

  11. Questions?

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