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Magnetic Levitation

Magnetic Levitation . Abdulaziz Abdulrahman Part One: Content (Research for information) Ahmad faisal Part Four: Pictures, Diagrams and Animated Figures. Nawaf Abdullah Part three: Slide transitions and effects Mohammed Rashid Part Two: Videos and Hyperlinks 12.05.

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Magnetic Levitation

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  1. Magnetic Levitation Abdulaziz Abdulrahman Part One: Content (Research for information) Ahmad faisal Part Four: Pictures, Diagrams and Animated Figures. Nawaf Abdullah Part three: Slide transitions and effects Mohammed Rashid Part Two: Videos and Hyperlinks 12.05

  2. History of magnetic levitation • Magnetic levitation is related more to the history of magnetism itself. It started in ancient times in an area of Asia minor known as Magnesia. This region contained rocks that would attract each other. These naturally occurring rocks were named after the region and called'magnets’.

  3. Types of magnetism • Magnetismis a property of materials that respond at an atomic or subatomic level to an applied magnetic field. For example, the most well known form isferromagnetismsuch that some ferromagnetic materials produce their own persistent magnetic field. Some are attracted to a magnetic field (paramagnetism); others are repulsed by a magnetic field (diamagnetism); Substances that are negligibly affected by magnetic fields are known as non-magnetic substances. They includecopperandaluminium.

  4. Basic principle in magnetic levitation • It is the use of magnetic fields to levitate a metallic object. • The word 'levitation' comes from • the Latin word 'levis' meaning ’light'

  5. Principle used to levitate a maglev train • So, Magnetic Levitation, by its name is understood that a raise made using magnetic field. The train which runs using this principle is called as “Maglev Trains”. These trains will float over a track called the guide way using the basic principles of magnets, replacing the steel wheel and track trains.

  6. Video about magnetic levitation

  7. Maglev train • A high-speed rail technology by which a train can travel free of friction at speeds of 480 kilometers (300 miles) per hour or more. The train is suspended on a magnetic cushion about half an inch above an elevated magnetic track, whose moving magnetic field alternately attracts and repels magnets mounted on the train, which is pushed and pulled along by this process.

  8. Maximum speed reached by maglev trains • This method of transport can be faster than wheeled mass transit systems, potentially reaching velocities comparable to turboprop and jet aircraft (500 kilometers per hour (km/h)). The maximum recorded speed of a maglev train is 581km/h, achieved in Japan in 2003.

  9. Why maglev trains have more speed than conventional trains? • Because it is not touching the railway, but it’s fly over it in a cretin high.

  10. Two advantages of levitation • High control bandwidths. • Position resolution and sensitivity.

  11. Two disadvantages of levitation • The Maglev tracks cost more than the railroad tracks do. • The high speed trains could go for a fast run on the high speed line, then come off it for the rest of the journey.

  12. Reference • http://en.wikipedia.org/wiki/Magnetic_levitation

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