1. Comparison of Experimental and Theoretical (Potential Flow) Pressure distribution around a non-rotating cylinder
From Munson, Young, Okiishi

2. The addition of a vortex of increasing strength to a uniform flow over a circular cylinder. (From White.)

3. A rotating and stationary tire. Air flow is from left to right
A rotating and stationary tire. Air flow is from left to right. (From Katz)

4. The Kutta Condition simulates flow around an airfoil.
Too Little circulation
Too Much Circulation
Just Right.
(From White)