Agitator Design Calculation Xls Repack -
, calculate unbaffled vs. baffled power corrections, and compute the total pumping rate ( Tab 4: Mechanical Shaft Design
A robust should include the following core calculation modules: A. Fluid Property and Vessel Geometry Input Vessel Geometry: Tank diameter ( ), liquid height ( ), and vessel shape (dish/flat bottom). Fluid Properties: Viscosity ( ) and density (
): Flow exhibits both laminar and turbulent characteristics. Turbulent Flow (
The agitator design calculation takes into account various factors, including: agitator design calculation xls repack
| Input Category | Required Data | Output Category | Calculated Results | | :---------------------- | :----------------------------------------------------------------------------------------------------------------- | :-------------------- | :----------------------------------------------------------------------------------------- | | [5†L17-L18] | Diameter, cylindrical height, liquid fill level, total volume | Hydraulic Results | Reynolds Number, Power Number, Power Requirement (kW/HP), Pumping Capacity | | Fluid Properties [5†L19] | Density ($\rho$), Viscosity ($\mu$) | Mechanical Results | Shaft Diameter, Torque, Hub Weight, First Critical Speed (RPM) | | Agitator Data [5†L18] | Agitator type (e.g., pitched-blade turbine), impeller diameter, shaft speed (RPM) | Operational Data | Mixing Intensity, Volumetric Flow Rate, Number of Agitators Required |
) acting perpendicular to the shaft. The bending moment at the lowest shaft bearing is calculated as: Mb=Fh⋅Lcap M sub b equals cap F sub h center dot cap L
t_blend = 5.6 * (T/D)^2 * (N * D^2 / (g * H^2))^(-1/3) (for turbulent flow). A repack adds a timer: "95% homogeneity achieved in 48 seconds" . , calculate unbaffled vs
I can provide targeted equations or data tables based on your focus area. Share public link
Whether you are using a standard XLS or a professional repack, the following best practices will ensure engineering excellence:
Many engineers have downloaded free .xls files from forums or university repositories. Most of these suffer from three fatal flaws: Fluid Properties: Viscosity ( ) and density (
Suppose we want to design an agitator for a tank with a diameter of 1.5 m, height of 2 m, and volume of 3.5 m³. The fluid is a liquid with a density of 1000 kg/m³ and viscosity of 0.001 Pa·s. We choose a turbine-type agitator with a diameter of 0.5 m, length of 0.8 m, and pitch of 0.2 m.
If the agitator is off-center or angled, hydraulic forces create a bending moment.
