| 摘要 |
<p>: The present invention relates to an improved fluid fence which reduces drag on a fluid foil moving through a fluid environment and an airfoil or aircraft wing structure with an elongated U-shaped or scimitar-shaped open fence having a concave edge and attached at its extremities to the fluid foil with its concave edge adjacent the surface of the fluid foil to provide an unobstructed opening between the surface of the foil and the concave edge of the fence.</p> |
