Question: We designed a stirring tank for a high-viscosity solution (specific gravity 1.39, viscosity 1.00 Pa s) that stirs at 30.0 rpm using a paddle blade

We designed a stirring tank for a high-viscosity solution (specific gravity 1.39, viscosity 1.00 Pa s) that stirs at 30.0 rpm using a paddle blade with a blade diameter of 1.80 m and two blades in a cylindrical tank with a tank diameter of 2.00 m. However, in order to confirm the flow state in the stirring tank, a small device with a tank diameter of 15.0 cm was created. Find the number of revolutions and the physical property value (kinematic viscosity) of the solution required to obtain the same flow state as the actual device with this small device.

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