Stream Function in Polar Coordinates

The velocity components in polar coordinates are related to the stream function by,

$$v_r = {1 \over r} {{\partial \psi} \over {\partial \theta}},     v_\theta = - {{\partial \psi} \over {\partial r}}$$ (4.24)

(c) Aerospace, Mechanical & Mechatronic Engg. 2005
University of Sydney