Section: Fluid Mechanics | Marks: 1
If ܣ is the area of a circle of radius ݎ enclosing a plane forced vortex flow, with origin at the centre of the vortex and if ω is the angular velocity, ζ is the vorticity, ܸሬ⃗ is the velocity vector, then the circulation around the contour of the circle is given by
- A. 2߱ܣ
- B. 2ζܣ
- C. 2ܸሬ⃗ܣ
- D. 0