[問題] 超臨界機翼
看板Aviation (航空板)作者Ecclestone (Freude am Fahren)時間12年前 (2014/02/06 16:56)推噓3(3推 0噓 17→)留言20則, 5人參與討論串1/1
看wiki說
超臨界機翼 一般來說 好像在穿音速和高次音速下
阻力會比較小 可以比較省油
當初Airbus A300系列就使用超臨界機翼設計
Boeing 787也使用了
但是為什麼一般民航客機 巡航速度也是大約在這裡
0.7~0.85 M左右
超臨界機翼並沒有被廣泛使用?
甚至在Airbus A300之後推出的機型 也沒有被使用?
另外 A350 XWB使用橢圓形剖面機艙設計
好像B747後 大部分主流 都是圓形設計
(B747設計那時代 像C5, 之後An 124, An225也都是類似剖面設計)
有特別的原因嗎?
還是只是單純 A350失敗後改良成 A350 XWB的結果?
謝謝
--
On a given day, a given circumstance, you think you have a limit. And
you then go for this limit and you touch this limit, and you think,
"Okay, this is the limit." As soon as you touch this limit, something
happens and you seddenly can go a little bit further. With your mind
power, your determination, your instinct, and the experience as well,
you can fly very high. ~Ayrton Senna da Silva
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