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The Wingless Electromagnetic Air Vehicle (WEAV) is a heavier than air flight system developed at the University of Florida, funded by the Air Force Office of Scientific Research. [ 1 ] [ 2 ] [ 3 ] The WEAV was invented in 2006 by Dr. Subrata Roy , [ 4 ] plasma physicist, aerospace engineering professor at the University of Florida , and has ...
It was a one-person, small in a modern sense, car propelled by maglev. The car was designed to be levitated by magnets, and was intended to be developed for high-speed transportation systems. The Levicar was very light and when raised off its guide rail by the magnetic it only required a blower in the back to propel it.
A compressed-air car is a compressed-air vehicle powered by pressure vessels filled with compressed air. ... iron in magnets, etc. Advantages
Hypersonic ionized flow interacts with the magnetic field, inducing eddy currents in the plasma. The current combines with the magnetic field to give Lorentz forces that oppose the flow and detach the bow shock wave further ahead of the vehicle, lowering the heat flux which is due to the brutal recompression of air behind the stagnation point.
There is a 1–10 cm (0.39-3.93 inch) air gap between that eliminates friction, allowing for speeds up to 500 km/h (310 mph). [7] An alternating electric current is supplied to the coils, which creates a change in polarity of the magnetic field. [8] This pulls the train forward from the front, and thrusts the train forward from the back. [9]
On the forward end of the car's drive shaft, was an electric motor with an armature fitted into an air space inside the whirling magnet. Electric current, transmitted by the engine's generator and magnet attached to the armature of the electrical motor, providing the energy to turn the drive shaft and propel the engine's rear wheels.
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The EMALS uses a linear induction motor (LIM), which uses alternating current (AC) to generate magnetic fields that propel a carriage along a track to launch the aircraft. [5] [6] The EMALS consists of four main elements: [7] The linear induction motor consists of a row of stator coils with the same function as the circular stator coils in a conventional induction motor.
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