Regions of Positive Vorticity in Steady Axisymmetric Flow Past a Viscous Spherical Drop

Figure 10

Equivorticity lines inside the drop in an axial plane for Re=15 and 𝜅=0,0.5,2.72, and 10. When Re=15, 𝜅_𝑃=2.72.

(a) 𝜅=0

(b) 𝜅=0.5

(c) 𝜅=2.72

(d) 𝜅=10