Question: Find a formula for the stream function for flow of a doublet of strength λ at a distance a from a wall, as in Fig.

Find a formula for the stream function for flow of a doublet of strength λ at a distance a from a wall, as in Fig. C8.7
(a) Sketch the streamlines.
(b) Are there any stagnation points?
(c) Find the maximum velocity along the wall and its position.

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