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第二架C919今日试飞 将验证发动机等多项关键性能
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Topic: 第二架C919今日试飞 将验证发动机等多项关键性能 (Read 88 times)
shulaoz
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第二架C919今日试飞 将验证发动机等多项关键性能
December 17, 2017, 04:42:43 AM
#1
(原标题:详解第二架C919客机试飞任务)
今年5月5日,我国的第一架C919飞机成功首飞,并在11月初转场阎良,开展后续的试飞科目。今天(17日)上午,第二架国产大型客机C919将在上海浦东进行试飞行,这意味着C919大型客机的研制工作又迈出了关键一步,全面试验试飞的新征程正在逐步拉开。
作为第二架试飞的C919飞机,102架机接下来要进行哪些试飞科目?这些试飞科目对于C919飞机的试飞任务来说,有着怎样的重要性呢?
根据计划,将有6架C919飞机投入试飞。这6架飞机的任务各有侧重。王伟介绍,这次第二架试飞的C919飞机,编号为10102,未来主要将对C919的重要系统性能进行测试,特别是以发动机为代表的飞机动力系统。
中国商飞民用飞机试飞中心总工程师 王伟:我们形象地说它是飞机的心脏,那些燃油系统,液压系统,就像供应心脏的血管。102架飞机侧重的飞机动力系统也非常的重要,对我们整个C919取证试飞来说都是很重要的一个环节。
王伟介绍,除了今天的试飞,102架机还将在上海开展一系列试飞科目。为转场到外地做好准备。
中国商飞民用飞机试飞中心总工程师 王伟:在上海主要要检查22个系统,然后大概要飞120多个试验点,目前我们安排了4到6个架次来完成这些任务。我们争取在1月底左右具备转场的条件,这是我们目前的目标。
C919试飞之路将挑战多项难关
作为我国首款自主研制的大型喷气式客机,C919很多试飞科目对我国的民机产业都是第一次,不仅难度大,而且风险高,这都是C919未来试飞将面临的难关。
要想保证安全性,C919就要全面了解自己的极限值是多少,这就需要一次次的试验飞行来获取。特别是失速、颤振和自然结冰等科目风险极高,一旦出现差错,后果不堪想象。
中国商飞民用飞机试飞中心总工程师 王伟:失速是什么概念?飞机如果没控制好,飞机速度没了。飞机一旦速度没了,就会掉下来。所以这些东西小速度到底是多少?大速度是多少?高度是多少?都要靠我们实际在空中去飞出来。
第二架C919今日试飞 将验证发动机等多项关键性能
除了试飞的风险外,C919试飞团队还面临着技术难题。由于C919采用了目前世界上先进的系统和设备,试飞机组如何能够很好地掌握这些新技术新设备,并且能够按照试飞条款去获取数据,也是试飞工作的一块硬骨头。
中国商飞民用飞机试飞中心总工程师 王伟:比如说我们的航电系统,包括我们的飞控系统,包括我们的所使用的材料,还有一些新技术,这些新技术的应用就给我们试飞验证带来了更高的挑战。
王伟表示,目前C919的全面试飞工作才刚刚展开,未来几年中,为了取得最终的适航证,取得进入航线运行的资格,C919要完成的试验验证项目要超过1000项。
wuyexiaoshu
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Activity: 33
Merit: 0
Re: 第二架C919今日试飞 将验证发动机等多项关键性能
December 17, 2017, 05:16:29 AM
#2
恭喜恭喜。这是大事呀。c919还是厉害,我看好多航空公司都下了订单的
Joshe-Roberts
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Re: 第二架C919今日试飞 将验证发动机等多项关键性能
December 17, 2017, 05:32:13 AM
#3
飞机如果没控制好,飞机速度没了。飞机一旦速度没了,就会掉下来。
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