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Maglev train researchers may have solved ‘tunnel boom’ shock waves | Soundproofing buffers at tunnel mouths to be rolled out on China’s latest magnetic levitation train prototype
Soundproofing buffers at tunnel mouths to be rolled out on China’s latest magnetic levitation train prototype
When the power supply is switched on, magnetic poles are induced in the coils, leading to a combination of repulsive and attractive forces which enable the train to levitate. High-speed maglev trains made their debut in 2004 in China, running between Pudong airport and the outskirts of Shanghai at 460km/h (286mph), a speed record that still holds for rail vehicles in regular commercial service. Built using German ‘Transrapid’ technology, this service caters primarily to foreign travellers as local people prefer the much cheaper, albeit slower, metro.
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