Power Number
Power number is proportional to { (drag force) / (inertial force) } and is used in momentum transfer in general and power consumption by agitators, fans, pumps, etc. calculations in particular. It is normally defined in the following form :
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Power Number Calculator
| D | = | Characteristic length |
| gc | = | Dimensional constant |
| N | = | Rate of rotation |
| P | = | Power |
| rho | = | Density |