Quote:
Originally Posted by JulianEdgar
I do wish you'd stop spreading incorrect information: pressure drag is not just an artefact of flow separation.
(But then again, if you don't look at the diagrams shown in the cited videos, and numerous other ones that are available, you'd keep on saying that.)
But honestly, it's just such a basic mistake to keep on making.
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Take it up with Hucho. It's his quote. It's the entire premise for road vehicle aerodynamic study.
Total drag can be reduced to surface friction drag in the absence of separation.
80% - 90% of total kinetic energy can make it to the rear stagnation point on a streamlined car.
I'm familiar with diagrams. I'm familiar with context also.