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日本铁道综研开发了一种可将列车制动距离缩短一半的装置,实验的对象选定为日本铁路东日本客运公司所开发的下一世纪新干线用的“STAR21”高速电动车组,它的最高试验速度居世界第2位(425km/h),仅次于法国国营铁路的TGV高速动车(515.3km/h)。共同的问题是高速如何减速。开发的叫做增粘着喷射装置是利用颗粒直径为0.1～0.3μm的铝系陶瓷代替过去用的容易飞溅的砂粒,并用压缩空气将陶瓷颗粒喷射在钢轨和车轮之间,摩擦力可提高到2倍,这
Japan Railway Research Institute has developed a device that can shorten the train braking distance by half, the object of the experiment selected as the “STAR21” high-speed electric train for the next century Shinkansen developed by Nippon Steel East Japan Passenger Transport Company, it The highest test speed ranks second in the world (425km / h), second only to TGV (515.3km / h) of the French state-owned railway. The common problem is how to slow down at high speed. Developed as an adhesion promoter, an aluminum-based ceramic with a particle diameter of 0.1 to 0.3 μm is used instead of the splash-ready sand used in the past, and the compressed air is used to spray the ceramic particles between the rail and the wheel to increase the friction by 2 times ,This