How to Calculate Centrifugal Force on a Spinning Droplet?

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To calculate the centrifugal force on a spinning droplet, the formula F = Mass * angular velocity squared * radius is used, but the results seem disproportionately large, indicating a potential misunderstanding. The discussion raises the need to consider the mass of water within each cell and the corresponding radius for accurate calculations. Participants suggest that without specific calculations or examples, it's challenging to identify the source of error. The user is exploring alternative methods to generalize the calculation based on density or viscosity, indicating a complexity in assessing forces at a cellular level. The equilibrium between centrifugal force and surface tension is also highlighted, suggesting a fundamental issue in the principles being applied.
Ameer Alhilo
hello everyone
I have spinning droplet. I want to calculate the effect of centrifugal force on each cell of the droplet.
If I use

F= Mass * angular velocity square * radius

That gave big number and it is like the whole droplet rotation around that radius. It's looks easy but I really stuck with it

Regards
 
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Cell in a lattice simulation? Did you use the mass of the water within that cell and the corresponding radius?
If the mistake is somewhere else, it is hard to tell where with the given information.
 
What does "That gave a big number" mean? Show your working?
 
mfb said:
Cell in a lattice simulation? Did you use the mass of the water within that cell and the corresponding radius?
If the mistake is somewhere else, it is hard to tell where with the given information.
thanks for respond
it's hard to find and calculate for each cell. so I am looking for a general way to calculate that effect my be base on density or viscosity?
 
CWatters said:
What does "That gave a big number" mean? Show your working?

thanks for respond
l have equilibrium between centrifugal force and surface tension. while the first between 1 and 2 the second around 0.03 to 0.04. so there is something wrong in the principles!
 
With the given information I don't see how we could figure out what went wrong.
 
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