直升机夜航光晕(30P)

来源:百度文库 编辑:神马文学网 时间:2024/10/03 02:42:16
Have you heard anything about the KopEtchells effectp-?
听过Kopp-Etchells 效果么?
In fact, the Kopp-Etchells effect is a new name.
实际上这是一个新名字。
It was named after two soldiers who died in Afghanistan in July 2009.
这是2009年7月在阿富汗死去的两名士兵起的名字。
The Kopp-Etchells effect is a result of dust striking helicopter blades as they take off or land at night,
这种效果是由于沙尘打击螺旋桨叶片造成的,
causing a bright 'halo' effect around the spinning rotor disk.
并在叶片周围形成光晕效果。
So, if it happens at night, you can watch an amazing show.
夜间你就可以看到这种现象
Take a look at pictures.
看照片。

by mtjs