Re=ρ⋅N⋅d2μcap R e equals the fraction with numerator rho center dot cap N center dot d squared and denominator mu end-fraction Power Number (
The core of the design is calculating the required power and impeller Reynolds number. A. Impeller Reynolds Number ( Reicap R e sub i Determines if the flow is laminar or turbulent.
Calculate the maximum torque on the shaft to ensure the shaft diameter ( ) is sufficient to prevent bending or twisting. 5. Summary of Benefits agitator design calculation xls
Pm=Pηg⋅ηm⋅SFcap P sub m equals the fraction with numerator cap P and denominator eta sub g center dot eta sub m center dot SF end-fraction ηgeta sub g = Gearbox efficiency (typically ηmeta sub m = Motor efficiency (typically = Safety Factor (standard industrial practice uses 4. Structuring Your Excel Spreadsheet ( .xls )
This article is for educational purposes. Always consult with mixing equipment manufacturers and perform detailed mechanical engineering analysis for final design and safety-critical applications. Re=ρ⋅N⋅d2μcap R e equals the fraction with numerator
To build an effective calculation sheet, use these primary engineering formulas: Determines the flow regime (laminar vs. turbulent).
Help you for your specific fluid density. Agitator Design Calculation Tool | PDF - Scribd Calculate the maximum torque on the shaft to
[ t_blend = 5.2 \times \left( \fracTD \right)^2 \times \frac1N ] Example: ( t_blend = 5.2 \times (2.0/0.67)^2 \times (1/2.5) \approx 18.5 , \textseconds )