APPENDIX C
Derivation of Von Karman Integral Equation
We shall now get the von Karman integral equations for a steady, two-dimensional and incompressible flow for which the Euler equation in Cartesian coordinates are
We integrate this equation from y = 0 to δ, the edge of the boundary layer. This gives
Integration by parts of the second term on the left hand side of Eq. C.1 gives
Substituting this result in Eq. C.1 and writing dp/dx for
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