Magnetic Levitation

Magnetic Levitation


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Magnetic Levitation is a process of suspending a body in air without any support. This is done with the help of magnetic field. In this process the object being levitated doesn’t touch the base as gravitational force and other types of external forces are overcome by magnetic repulsion.
Though this seems fascinating, but it is really difficult to stabilize the levitation so that it can be used for practical applications. Since we need to regulate the movement of the suspended body in all six axes i.e. 3 spatial and 3 rotational, for this at least 1 stable axis must be present to support the levitation of other axes.
For stable levitation attractive magnetic field may also be used to stabilize one axis. We also have an option of pseudo levitation in which, the object is supported by both, magnetic field as well as mechanical support. This helps in reducing friction due to the surface contact of the support and object being levitated.
magnetic levitation meaning, magnetic levitation principle, what is magnetic levitation and how does it work, what is the principle of magnetic levitation, application of repulsive magnetic field, what causes magnetic levitation, what is magnetic levitation in physics, how magnetic levitation works, explanation of magnetic levitation, magnetic levitation simple explanation, scientific explanation of magnetic levitation, how does maglev train work
We can see a very wide use of magnetic levitation in the super fast maglev trains in many countries now a days. Many types of magnetic bearings are also made, using this method
If this process is used in an evacuated tunnel then it is assumed to have the potential to achieve an enormous speed of approx. 6400 km/hr and if used in open, then most of the propulsion force is employed in overcoming air drag so the speed to be achieved is lowered a lot and we have the examples of the maglev trains which made a record of reaching a top speed of over 580 km/hr.

Credits: Image Source- Google Images

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