Maglev Trains Use Liquid Helium

Dec 28, 2023
2 min read

Maglev trains, exemplified by the Shanghai Maglev and a Japanese counterpart reaching 374mph, redefine high-speed rail with their magnetic prowess. The key to its speed lies in the innovative use of magnets and specialised rail systems, eliminating friction. Electromagnetic Suspension (EMS) and Electrodynamic Suspension (EDS) are the leading Maglev technologies. EMS utilises electromagnets to push cars away from the ferromagnetic track, while EDS, employing superconductive magnets cooled with liquid helium, forms a dual-layered guideway for suspension and guidance. We believe that this is another growth area for helium.

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