Agitator Design Calculation Xls Repack -
The user must input the specific agitator type (e.g., Pitched-blade turbine, Rushton, Marine Propeller), the D/T ratio (impeller to tank diameter ratio), and the desired shaft RPM.
A reliable calculation spreadsheet uses a sequential workflow. Each step feeds data into the next mechanical or process formula. Step 1: Define Input Parameters
Unbaffled tanks create swirling and vortexing rather than top-to-bottom mixing. Calculations assume standard standard-width baffles ( ) are installed.
A concise output of input parameters and calculation results for review. 5. Conclusion agitator design calculation xls repack
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Use the Excel solver tool to maximize D or adjust N to meet process requirements (e.g., pumping rate ) without exceeding the constraints in Step 1. 4. Key Components of a Robust Agitator Calculation Sheet
Quickly change D (diameter), N (speed), or ρ (density) to see real-time changes in power and torque. The user must input the specific agitator type (e
The agitator design calculation XLS repack involves the following steps:
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 you cannot find a downloadable file, you can build one easily: Step 1: Define Input Parameters Unbaffled tanks create
The Reynolds number helps engineers determine the flow regime of the fluid inside the tank. The general equation for an agitator is:
Motor Power (Pmotor)=Pηgearbox⋅ηseal⋅Safety FactorMotor Power open paren cap P sub motor end-sub close paren equals the fraction with numerator cap P and denominator eta sub gearbox end-sub center dot eta sub seal end-sub end-fraction center dot Safety Factor Standard Mechanical Seal Efficiency ( ηsealeta sub seal end-sub ): Safety Factor: Typically to handle fluid surges or startup torque. 4. Key Process Indicators for Verification
Q: What are the common agitator design calculations? A: Common agitator design calculations include power calculation, torque calculation, shaft sizing, and impeller sizing.
, calculate unbaffled vs. baffled power corrections, and compute the total pumping rate ( Tab 4: Mechanical Shaft Design
| Resource | Type | Quality | |----------|------|---------| | | Web-based, free | Basic – good for learning | | Process Engineering Tools (Cheresources) | Excel (unlocked, free) | Intermediate – includes Rushton & hydrofoil | | AIChE’s “Mixing in Pipelines” spreadsheet | Free with membership | High – but limited to in-line mixing | | LIGHTNIN’s “Mixer Selection Guide” | PDF + Excel templates (free registration) | Industry standard – but not full design | | OpenFOAM + Python (for advanced users) | Open source | Maximum flexibility, no piracy |
