Superconducting magnet

Superconducting magnet for the next generation of particle accelerators that are able to record a new field increase rate

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There are many kinds of rare Earth magnets are essential to the field of modern Physics. They hold plasma in chambers for thermonuclear reactions in experiments. Through their help, particles can be increased and directed by tunnels that are used to accelerate. But, not all rare earth magnets are made equal. Fermi National Laboratory engineers and researchers have just developed an electromagnetic magnet with superconductivity which is superior to all others previously developed in this direction.

To produce at minimum 8 Tesla in devices such as the Large Hadron Collider’s particle accelerator, rare Earth magnets are required. The magnet output to the operating mode operates effortlessly at 0.006 Tesla per second, and can take up to 20 minutes. The magnetic field can be much more powerful in particle accelerators that use copper-wound rare earth magnets. The Japanese accelerator JPARC utilizes rare earth magnets to produce the most powerful neutron flux. They are able to increase the strength of the field at rates that exceed 70 Tesla per second, whereas the rare Earth magnets at Fermi’s lab accelerators can achieve the same thing at 30 Tesla per second.

It is challenging to expand the superconducting magnetic field when they are operating at high speeds because of the presence of hot spots that appear in windings. The size of these spots grows in proportion to the magnetic field generated and the current. The temperature of the hot spots increases rapidly as the current increases. The effectiveness of the magnet is reduced or ceases to function if it changes from a superconducting state to normal condition of electrical resistance.

Fermi lab scientists have found an answer in the form of YBCO. The complex mix composed of copper, yttrium barium and oxygen is a well-known superconductor at high temperatures. magnet windings, which are able to be used at temperatures as high as 20 Kelvin are made of this substance. They can resisting currents up to 1000 amps.

 

The initial prototype of a high-temperature electromagnet proved that it could achieve a speed of 300 Tesla per second at the highest magnetic field strength of 0.5 Tesla. While this magnetic field strength isn’t enough to power particle accelerators, researchers believe that they could still boost the speed of current by using strong magnets that can increase magnetic field’s strength.

The Fermi Laboratory continues to play using its latest technology. Magnet It is intended to test different modes of operation and later upgrade the power source. Maybe, in the near future it will be similar rare earth magnets New facilities for experimental research will have them in place, which include neutrino detectors, as well as the new generation collider that has 100 km radius of the Future Circular Collider.

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