2.7 For the forced vortex flow the velocities are t =r and r =0. Plot the streamlines...

2.7 For the forced vortex flow the velocities are υt =ωr and υr =0.

Plot the streamlines of this flow that pass through the points (0,1),

(0,2), and (0,3). Plot the velocity as a function of radius and determine the velocity at the origin (0,0).