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解密你不知道的C919:零部件供应商来自全球

2017-05-05 09:28:33   北京晨报

  实现102项关键技术攻关

飞机设计研制是一项科技攻坚的大型工程,为此中国商飞公司团队实现了102项关键技术攻关,主要涉及气动技术、新材料、强度设计等方面。

吴光辉说:“C919设计研制中有多项重大技术突破,比如超临界机翼的设计。飞机设计,气动先行,机头、后体的设计也关系到飞机阻力的减小,但机翼的设计决定了飞机的性能,是最为关键的。我们第一次自主设计超临界机翼,就达到了世界先进水平,得到了国际同行的认可。”

此外,新材料的应用是C919的一大亮点。“C919是第一次大范围地采用铝锂合金的机型,我们为此经过了十年的探索,铝锂合金的供应商是按照我们的要求改善了材料的特性,使之能够更好地适用于C919飞机。”吴光辉说。

飞机的性能究竟如何,还有待于在实际的飞行试验中进行检验。首飞完成后,C919将进入适航取证阶段,接受各项飞机适航的测试考验,为敲开市场大门做准备。

吴光辉说:“C919是在一个合适的时间,以一种正确的模式,推出的一款高水准的产品。C919首先是要满足我们国内的航空运输需要,因为中国是全球最大的民航市场,飞机需求最多。立足国内市场,面向全球市场,这是我对C919的定位。从设计航程看,C919可以满足中国任何点到点的飞行。”

吴光辉参与过我国多款主要机型的设计工作,而他认为,C919是最先进的,相信也会是最成功的。“我希望,也期待着,C919能够受到市场的追捧,希望它能够成为一款明星飞机。”

  首飞机长蔡俊性能赶上世界先进民机

C919首飞的背后,有一支队伍不得不提,那就是首飞机组,首飞机组是一个由5人组成的特殊机组,其中,机长是整个团队的核心,担任C919首飞机长的是有着丰富经验的飞行员蔡俊。

在来到C919试飞团队之前,蔡俊曾在东方航空做了11年的飞行员,于2011年加入中国商飞担任试飞员,如今已是中国商飞试飞中心试飞员二中队的中队长,现总飞行时间为10300小时。

每一型飞机的首飞,其实都存在着不确定性。但是通过严格的训练和细致的准备,蔡俊表示,虽然压力不小,但他对中国新一代大型客机完成首飞充满信心。

按照计划,蔡俊和机组将驾机飞行一个半到两个小时。“对首飞我们希望是一个成功的首飞,安全成功的首飞,我们考虑到各种各样的特情,当我如果有特情发生的时候,我们不要判断错,也不要组织错,能够在最短的时间内做出一个正确的处置。”如今,蔡俊带领着试飞团队,从工程模拟机到实机操作,经历了多次滑行,他对C919的性能有了更深的了解。在他看来,国产大飞机已经赶上了世界先进民机的性能水平。“非常接近,我觉得C919跟同级别的A320非常接近。”

据新华社、央视新闻

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