- #1

LaurenG

- 2

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Hello all.

I'm investigating a little bit about stokes law in order to understand the settling velocity of falling particles and on the net i encountered with 2 different formulas and i simply can't find the reason why they are different. every formula gives me a different answer.

The 2 formulas are :

1. Vt=gd^2(Pp-Pm)/18u -

2. V=2/9*d^2*g*(Pp-Pm)/u -

Any idea why they are different ?

Thanks.

I'm investigating a little bit about stokes law in order to understand the settling velocity of falling particles and on the net i encountered with 2 different formulas and i simply can't find the reason why they are different. every formula gives me a different answer.

The 2 formulas are :

1. Vt=gd^2(Pp-Pm)/18u -

2. V=2/9*d^2*g*(Pp-Pm)/u -

Any idea why they are different ?

Thanks.

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