飞机降落的时候是飞机头先下地还是飞机尾巴

2025-02-23 08:25:27
推荐回答(5个)
回答1:

我晕,个人觉得飞机头和尾巴哪个先落地都很危险啊.....
飞机的整体设计就是根据 空气动力学,飞机为什么能飞,怎么起飞,降 落,在空中作机动,全部是靠着飞机根据空气动力学的设计。 
 
飞机起飞的原理:起飞,伴随着发动机带来的推力,给于飞机一个很快向 前运动的速度,使空气与飞机产生相对运动,空气流经机翼,由于机翼 的流线体设计,造成上下表面产生压力差,从而产生向上的升力,使其 与飞机自身重力平衡,并且爬升,当然在起飞的时候,飞行员会有一个 拉杆的动作,用来控制位于飞机尾部的水平升降舵。用简单的话来说, 就是增加飞机抬头的姿态,是飞机能在较短的距离里离开地面。 
 
飞机降落的原理:降落,是减小发动机的推力,使飞机速度减小,从而 减小空气流经机翼的速度,从而减小升力,使飞机下降,降落的过程相 对复杂,因为你要控制飞机在一个比较缓慢的速度下,一边向前飞行, 一边下降,还要避免失速。还要争取在跑道头接地。期间还要伴随风向 风速进行调整,还要放襟翼,减速,增加升力,调整下降的角度。总体 来说是一个复杂和和重要的过程。 

回答2:

降落时,标准动作是:减速机头向下,减低到一定高度后打开减速板,放起落架,,机头抬起,使飞机的后轮先接触跑道,同时制动,让前轮在重力作用下着陆,同时全力制动,直到飞机降低到滑行速度以下,缓慢推动飞机到停机位停住。

回答3:

飞机降落时机头是向上仰的,飞机的后轮先着地。

回答4:

起飞时前轮先起飞,保持上扬姿势,同理降落时,后轮先落地,还是上扬姿势,否则飞机容易前冲,发生事故

回答5:

大部分飞机都是仰着头降落的,这主要是飞机设计的问题,因为主起落架在后面,而飞机的绝大部分重量都压在主起落架上,所以就得仰头降落,先让主起落架接地,起飞的时候是向上飞,肯定是抬头的。
最好的降落方式是接近水平稍微有点仰头,主起落架落地以后,前起落架紧跟着落地,这样机尾不容易擦地,不过一般降落都是人工操控,难度比较大容易出事故。仰的过高,就可能会让机尾蹭地,有747就是因为这事机尾受损空中解体了。

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