不怕烫!美军士兵徒手摸发动机喷管

2015-11-21 09:34

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标签：发动机美国喷管

美国航母尾部有个专门测试发动机的区域，平常战机发动机维护后就在这里测试。图中的美军地勤徒手触摸正在开加力运转的发动机喷管，让人感觉不可思议。实际上，F404/414发动机尾喷管外部一圈整流片和内层几乎没有接触，而且还从发动机舱抽入引射气流进行冷却，所以手摸也没有事。

不怕烫!美军士兵徒手摸发动机喷管

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                   "note": "发动机喷管结构示意图，双层结构的中间会引射高速常温空气，以此为内外管壁降温，因此外壳并不烫。",
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