Modern engineering workflows use Aspen Plus or HYSYS. Can your XLS repack integrate? Yes, through:
is the cantilever shaft length (the distance from the bottom bearing to the impeller). Equivalent Torque ( Mecap M sub e
P=Np⋅ρ⋅N3⋅D5cap P equals cap N sub p center dot rho center dot cap N cubed center dot cap D to the fifth power In the laminar regime (
Using an agitator design calculation Excel file is a systematic process. Here is a step-by-step guide based on standard practices found in these tools.
The turnover rate (or blend time factor) is then calculated by dividing the total liquid volume ( Step 4: Motor Sizing and Efficiencies The calculated power ( agitator design calculation xls repack
Unbaffled tanks create swirling and vortexing rather than top-to-bottom mixing. Calculations assume standard standard-width baffles ( ) are installed.
varies with the Reynolds number, and the XLS sheet must use lookup tables or curve-fitted equations to adjust Npcap N sub p automatically. Step 3: Pumping Rate ( ) and Turnover Rate
If you are looking for a specific , I can help you find a template tailored to your application (e.g., high viscosity fluids , solid suspension , or gas induction ). Just let me know the vessel size and fluid type .
Tank diameter, straight side height, dish depth. Modern engineering workflows use Aspen Plus or HYSYS
) or walk you through the numerical steps for your exact setup. Share public link
kgm3the fraction with numerator k g and denominator m cubed end-fraction : Impeller Speed (rev/s) D : Impeller Diameter (m) B. Reynolds Number (Re)
While high-end Computational Fluid Dynamics (CFD) software offers precise modeling, a consolidated XLS spreadsheet remains the industry standard for initial sizing and rapid validation due to specific practical benefits:
Note: This equation holds true for fully turbulent regimes. In laminar regimes, power is directly proportional to viscosity, and the equation modifies to Kpcap K sub p is a laminar system constant. Shaft Torque ( Mtcap M sub t Equivalent Torque ( Mecap M sub e P=Np⋅ρ⋅N3⋅D5cap
Generate radial flow. Best for gas-liquid dispersion and high-shear applications.
I can provide the exact or mechanical formulas needed for your spreadsheet layout. Share public link
The core of any agitator XLS sheet relies on dimensionless numbers to compute required motor power. Reynolds Number ( NRecap N sub cap R e end-sub
The power required to drive an impeller is calculated using the power number ( Npcap N sub p ) formula: