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THE CALCULATORS

Multiple Impeller Spacing Calculation

Calculates the axial arrangement and key parameters for multiple agitator impellers in a cylindrical mixing tank.

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1. Define Input Parameters

2. Engineering Output

Reynolds number (Re)
- -
Spacing factor (enforced) (alpha)
- -
Centre-to-centre spacing (S)
- m
Axial position of 1st impeller center (z₀) (z0_center)
- m
Axial position of 2nd impeller center (z₁) (z1_center)
- m
Axial position of 3rd impeller center (z₂) (z2_center)
- m
Total impeller stack height (H_stack)
- m
Top clearance (C_top)
- m

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Context & Assumptions

This calculation determines the axial arrangement of multiple agitator impellers within a mixing tank. Proper spacing is essential to ensure each impeller operates effectively, avoids mechanical interference, and provides adequate power transfer to the fluid. This analysis is commonly applied in the design of large-scale stirred-tank reactors and chemical process vessels.

Understand the Engineering Principles

Review the step-by-step derivations, typical industrial limits, and scale-up rules.

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