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  1. Spaghettiohead

    Mean Local Flow?

    I was looking over an aerodynamics book...what I think I got out of it was that the Aerodynamic Force, or the resultant of Lift and Drag vectors, is perpendicular to the mean local flow. That seems to agree with what you, CESSNA1 and GregLocock are saying... Thanks again, ~Andrew
  2. Spaghettiohead

    Mean Local Flow?

    Also, do I understand correctly that the mean local flow is perpendicular to the Aerodynamic Force?
  3. Spaghettiohead

    Mean Local Flow?

    Circulation...that makes sense. So, on a cross-section of an airfoil, how could I draw the mean local flow. Would it be a line representing the "average" circulation? ~Andrew
  4. Spaghettiohead

    Golf ball vs. race car

    The spin of a golf ball has nothing to do with drag. The dimples do disturb the boundary layer so that airflow seperation happens further down the road (the turbulent air has more energy) and the wake is smaller. The spin of the golf ball is using the Magnus effect to keep the ball in the air...
  5. Spaghettiohead

    Mean Local Flow?

    Hello, Can anybody clue me in as to what mean local flow around an airfoil is? I believe it has something to do with the downwash created by the wing...? Thanks! ~Andrew

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