Discuss the below:
Q: Find a formula for the stream function for flow of a doublet of strength ? at a distance a from a wall, as in Fig.
(a) Sketch the streamlines.
(b) Are there any stagnation points?
(c) Find the maximum velocity along the wall and its position.
![2435_Stream function.jpg](https://secure.tutorsglobe.com/CMSImages/2435_Stream function.jpg)