释义 |
zero-lift angle zero-lift angle[′zir·ō ¦lift ′aŋ·gəl] (aerospace engineering) The angle of attack of an airfoil when its lift is zero. zero-lift angle Pressure distribution on an airfoil at the angle for zero lift (−3°).The angle of attack at which an airfoil does not produce any lift. Its value is generally less than zero unless the airfoil is symmetrical. |