Stoke's Law for Viscous Force used to Calculate radius of Droplet??

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Stoke's Law for Viscous Force used to Calculate radius of Droplet??

Post  matthewfrain on Mon Jun 18, 2012 1:18 am

Really confused. How do you find the equation:

r^2 = 9nv/2pg

I know you use the equation: F= 6πnrv

matthewfrain

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Re: Stoke's Law for Viscous Force used to Calculate radius of Droplet??

Post  Jake Alley on Mon Jun 18, 2012 1:36 am

Make it equal to (mg) because drag force equals weight. Then write mass in terms of volume (V) and density (p) then rearrange.

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Re: Stoke's Law for Viscous Force used to Calculate radius of Droplet??

Post  matthewfrain on Mon Jun 18, 2012 1:58 am

Jake Alley wrote:Make it equal to (mg) because drag force equals weight. Then write mass in terms of volume (V) and density (p) then rearrange.

Cheers!! Smile

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Re: Stoke's Law for Viscous Force used to Calculate radius of Droplet??

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