Chapter 4, Problem 43P

The velocity field for a line some in the $r\theta$ plane (Fig. P4-43) is given by $u_r=\frac{m}{2\pi }{u}_{\theta }=0$ Where m is the line source strength. For the case with in $m/\left(2\pi \right)=1.5m^2/s$ , plot a contour plot of velocity magnitude (speed). Specifically, draw curves of constant speed V= 0.5, 1.0, 1.5, 2.0, and 2.5 m/s. Be sure to label these speeds on your plot.