Quote:
Originally Posted by aerohead
My takeaway from Hucho and all the others in fluid mechanics is, that any drag associated with resultant forces pale in comparison to low base pressure aggravated by separation.
Most attached flow drag is associated with viscous shear and its friction drag.
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You claim to be an engineer. Do some simple vectors and resultant drag and thrust forces based on these pressures and angles:
You'll be surprised how much attached flow pressures matter.
(They mattered less 30 years ago when there was so much rear separation. Update your references.)