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conclusions from wall shear stress comparison

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Old   July 20, 2020, 09:47
Default conclusions from wall shear stress comparison
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yonatan werner
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as part of a project im doing im comparing between a NACA0012 sharp trailing edge airfoil to one with a blunt trailing edge.

I produced this plot comparing the wall shear stress on the airfoils and im having trouble formulating a solid conclusion from it.

can i say that based on this plot the main reason for differences in drag coefficient is due to shape drag?

that is because the wall shear stress plots are pretty similar.

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