CFD images of a simulation of a stationary and rotating wheel: http://www.fluent.com/solutions/auto...bile_wheel.pdf
Check out the low pressure at the back of the rotating wheel.(lower image) Wheel boattailing anyone?
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Vortex generators are old tech. My new and improved vortex alternators are unstoppable.
"It’s easy to explain how rockets work but explaining the aerodynamics of a wing takes a rocket scientist.
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