Technology:
Air Water developed a cooling unit for the next-generation linear motor car in
collaboration with Railway Technical Research Institute. Because the new unit
utilizes compression and inflation of helium gas, it can reduce helium consumption
to less than 1/1000 of the helium consumption of the existing cooling unit. The new cooling unit sends compressed helium gas into the closed stainless tube in a uniform rhythm, and cools down semiconducting coils by repeating compression and inflation of helium gas. It can cool a semiconducting coil down to minus 223 degrees centigrade. It will be installed in the body of liner motor car, and four units will be enough to cover one car. The Liner Chuo Shinkansen is scheduled to be inaugurated in 2027, and it is decided to use liquid helium of minus 269 degrees centigrade for the cooling unit of semiconducting coils.
A five-car Linear Chuo Shinkansen
travels at 500km/h in a test
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