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Electromagnetic Propulsion Brice Cassenti University of Connecticut.

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Presentation on theme: "Electromagnetic Propulsion Brice Cassenti University of Connecticut."— Presentation transcript:

1 Electromagnetic Propulsion Brice Cassenti University of Connecticut

2 Electromagentic Propulsion Electri Rocket Propulsion Solar and Laser Sailing

3 Electromagnetic Forces Particle with – Charge – Mass – Velocity Electric Field Intensity Magnetic Flux Density Equation of motion

4 Plasma Drift B applied magnetic field E applied electric field j current due to E v drift velocity

5 Hall Effect in a Solid http://arapaho.nsuok.edu/~bradfiel/advlab/Hall/hall-effect.pdf

6 Current Flow in a Plasma In a neutral plasma – – n i, n e are the ion and electron number densities Current is –  is the conductivity

7 Resistojet Humble, et al

8 Electron Bombardment Ion Thruster Sutton

9 Rail Acclerator Sutton

10 MPD Arcjet Sutton

11 Hall Accelerator Sutton

12 Solar and Laser Sails Momentum of light – Pressure due to reflection – Intensity of sun at earth – 1360 W/m 2

13 Solar Sails Google “Solar Sail images”

14 Laser Sails R.L. Forward

15 Microwave Sail - Starwisp R.L. Forward

16 References Davidson, R.C. and H. Qin, Physics of Intense Charged Particle Beams in High Energy Physics, Imperial College Press, London and World Scientific Publishing Co., Pte. Ltd., Singapore, 2001. Davidson, R.C., Physics of Nonneutral Plasmas, Imperial College Press, London and World Scientific Publishing Co., Pte. Ltd., Singapore, 2001. Forward, R.L., Beamed Power Propulsion to the Stars, AAAS Symposium on Interstellar Communication and Travel, AAAS Annual Meeting, Philadelphia, 25-20 May 1986 Hughes, W.F., and J.A. Brighton, Theory and Problems of Fluid Dynamics, Schaum’s Outline Series, McGraw-Hill Book Company, New York, 1967. Humble, R.W., G.N. Henry, and W.J. Larson, Space Propulsion Analysis and Design, The McGraw-Hill Publishing Companies, Inc., New York, 1995. Jeffrey, A., Magnetohydrodynamics, John Wiley & Sons, Inc., 1966. Samaras, D.G., Theory of Ion Flow Dynamics, Dover Publishers, Inc., New York, 1962 Sutton, G. and O. Biblarz, Rocket Propulsion Elements, 7 th edition, John Wiley & Sons, Inc., New York, 2001.


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