why is the shockwave picking in itself off the aerofoil with increasing deflection of the leading edge?

Angle of attack:3degrees Aerofoil: naca0018 enter image description here

  • $\begingroup$ What is the source of these images, please? $\endgroup$
    – Ralph J
    Apr 9 at 21:52
  • $\begingroup$ didn't you mean to write "increasing deflection of the trailing* edge"? $\endgroup$ Apr 24 at 6:30


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