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时速4000公里"飞行列车"正论证 尚无明确面世时间

2017-09-01 03:14:10   新京报

第一步,利用1000公里/小时运输能力,建设区域性城际飞行列车交通网;第二步,利用2000公里/小时运输能力,建设国家超级城市群飞行列车交通网;第三步,利用4000公里/小时运输能力,建设“一带一路”飞行列车交通网。

毛凯提出,从项目基本原理看,只需将摩擦力和阻力都减少到一定程度,通过施加推力即可实现高速运行。其表示,这一技术目前国内外均有积淀,目前需要的,是对关键技术进行攻关。

中国上海磁悬浮列车

2时速4000公里人体能否承受?

铁道专家、原铁道部科学研究院副院长朱其杰曾介绍,常导型高速磁悬浮列车,时速可达400到500公里,超导磁悬浮则速度相对较快,日本曾创造过时速603公里的纪录。如果“飞铁”项目成真,这一纪录将被远远超过。

新京报记者注意到,最高时速达4000公里的“飞铁”,建成后将比传统高铁提速10倍,相比现有民航客机,速度也要提升5倍,是上海磁悬浮列车时速的9.3倍。

公开数据显示,我国南北长约5500千米、东西长约5200千米。这意味着,如果使用“飞铁”以最高时速行驶,将在不到一个半小时内,从中国最东端走到最西端,或者从南走到北。

毛凯指出,从武汉到北京全程1000多公里,目前的高铁耗时5个小时。如果使用“飞铁”,则单程可控制在一个小时内。

部分网友质疑,比飞机还快5倍的列车在陆地“飞行”,如何保证其安全性,以及人体的耐受性。

此前,毛凯曾对媒体表示,安全确实是首要考虑的问题。“这个新领域,还没有现成的安全标准体系,会参照某些现行的标准,再结合实际情况制定一些新标准”。他解释,人体之所以有感觉,其实是加速度带来的感觉。比如,飞机在飞行中大家感觉不到难受,只有在起飞降落的时候才能感觉到,就是这个道理。“飞铁在加速时将按照人体承受能力,加速度不会太高,一直加速到巡航速度(或最高速度),减速也是一样。”

毛凯称,列车进入高速运行状态前,需要缓慢加速过程,加速度低于飞机启动速度,高速对人体产生的危害可以忽略不计。

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