Quote:
Originally Posted by freebeard
aerohead -- Is that Morse Code in the wake?
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Those are embryonic Dollars about to vanish into thin air.
Actually,the hash marks are a convention Koenig-Fachsenfeld used in his book to denote the region compromised by too rapid a pressure rise.You could read it as detached flow,reversed flow,eddies,turbulence,or attached vortices which would not 'show,' looking at the centerline.
Kind of a cheap and dirty way to 'think' about aft-body flow.