Agitator Design Calculation Xls Repack New! ✔ «Pro»
NRe=ρ⋅N⋅D2μcap N sub cap R e end-sub equals the fraction with numerator rho center dot cap N center dot cap D squared and denominator mu end-fraction = Fluid density ( = Rotational speed ( RPScap R cap P cap S = Impeller diameter ( = Dynamic viscosity ( Laminar Flow: Transitional Flow: Turbulent Flow: 2. Power Consumption Calculations
For , viscous forces dominate, and the formula adjusts to: agitator design calculation xls repack
| Pitfall | Consequence | Repack Solution | | :--- | :--- | :--- | | Ignoring viscosity shear-thinning | Oversized motor | Includes power law index (n) for non-Newtonian fluids | | Wrong power number for baffled vs. unbaffled | 300% error in power draw | Separate Np tables for baffled & unbaffled conditions | | Shaft too long & slender | Whip damage, seal failure | Automatic slenderness ratio check (L/D < 15) | | Forgetting a mechanical seal cooling requirement | Seal meltdown in < 1 hour | Calculates seal face heat generation based on stuffing box pressure | NRe=ρ⋅N⋅D2μcap N sub cap R e end-sub equals