Hi dipayankar, gravity acting alone on viscous mass would not be able to create that shape. A drop of water from a height fell into a pond of water would create that shape instantaneously, if time is freezed at that very moment, the perturbation can be observed to be a curved cone shape circular depressed surface, i.e. the primary shape of a free vortex. Surface tension is the reason, this is the reversed culmination of momentum.
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Originally Posted by dipayankar  Hi Vincent.. Thank you so much for the accolades. I dont think I deserve them thought..  . As far as vortex is concerned, I would really like to look at the role gravitational forces play in making this shape. Somehow I have a hunch that gravity is the main culprit here... |