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High-speed trains reach speeds of 420kpm in tests [Copy link] 中文

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Post time 2016-7-19 16:27:51 |Display all floors

File Photo of a high-speed train in China. [Photo:]

Two of China's high-speed trains have reached speeds of 420 kilometers per hour during test runs in the central Chinese city of Zhengzhou.

As they past each other in opposite directions, their relative speeds reached 840 kilometers per hour.

Wang Yueming is the chief researcher at China's Academy of Railway Science. He says the airflow generated by the high speed has a great impact on the trains.

"When a train passes another train, its engine will bring a great pressure disturbance to impact the body of the latter, which will affect the fatigue strength of the train body and the pressure in and out of the train. This will help us collect data about the air-tightness of the train body and the firmness of the connections of the installed components."

Experts are now undertaking further calculations based on the results.

The test, the first of its kind in the world, is seen as a way to gather vital data to help future research into high-speed train travel.

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Post time 2016-7-19 18:24:34 |Display all floors
I wonder what the top Japanese speed is

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