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| supercritical aerofoil profile; supercritical airfoil profile (一种适用于超临界马赫数飞行器的跨声速翼型。一般翼型在超临界状态下，机翼表面的超声速流将形成激波，随着马赫数增加，激波的尺寸和强度猛增，损失加大。激波后的压力陡增引起边界层分离，增加气流湍流流度，使阻力剧增，升力下降，力矩波动，并发生抖振现象。超临界翼型头部比较丰满，消除了前缘的负压峰，使气流不至于过早达到声速。上部中部比较平坦,有利于减小激波强度，后部向下弯曲，有利于缓和极波诱导的边界层分离) | |||
| super-critical airfoil | |||
| supercritical airfoil profile | |||
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