FLAP ATTACHMENT LINE DISCUSSION
1st
AIAA CFD High Lift Prediction Workshop
Flap Attachment Line
The attachment line on the flap is computed following the same
procedure for the slat.
As with the main element the flow over the slat becomes fixed by the
geometry over much of the range of angle of attack.
The pressure distribution on the lower surface is very flat for these cases.
Rbar , computed from the flap pressure data, is plotted in the
figure below. For Alpha > 0 the value of Rbar indicates that the
flap attachment line is laminar. At negative angle of attack the determination
of Rbar has a high degree of uncertainty.
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Page Curator and NASA Official Responsible for Content
Li Wang
Last Updated
August 15, 2011
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