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First we will calculate the Reynold's number to know on which regime is the mixing ow is occuring,

So, Reynold's number is given as,

Bioprocess... Introductio...

3rd Edition 1st Edition

Here the impeller diameter is given as,

The rotational speed of the impeller is given as,

Manufacturi...
The density of the liquid is given as,
7th Edition

The viscoisty of the liquid is given as, View all solutions

Now putting this values in the equation,

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So the Reynold's number is greater than , In this scenario the effect of viscosity on the power is
negligible and the equation for power in this regime is given as, Omar M.
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For six blade turbines with four vertical baffles, we will nd the value of the constant from the table Yale University
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So,

So the power required by the is 0.397 kW

(ii)

For

Let's calcuate the Reynold's number rst,

This is around laminar regime, In this scenario the effect of density on the power is negligible and the
equation for power in this regime is given as,

So,

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