Invention Grant
US07934686B2 Reducing drag on a mobile body 失效
减少移动主体上的拖动

Reducing drag on a mobile body
Abstract:
A vortex ring generator adapted to be associated with a body subjected to fluid flow, the vortex ring generator being adapted to produce a fluid flow in the form of a vortex ring with the fluid flow moving over the body from the vortex ring generator.
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