Quote:
Originally Posted by freebeard
My disappointment was that the digram you showed and ask us to imagine 3D showed the flow over and under the car but it was all about side pressures.
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Because the pressures above and below the car depend on a lot of other factors besides boundary layer thickness, and so to introduce top / bottom would have caused confusion in terms of the overall point being made.
As I said in the video, I may cover the other theories of the influences on base pressure in further videos (and they would include, for example, trailing edge pressures on the upper surface that would in turn involve body shape, vortices, etc).