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Orders under $35 will incur a $5 shipping charge. Excludes Plows, Dump Inserts, Trailers & Salters.
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Imagine an Excel workbook reborn: a compact, polished "repack" of agitator design calculations that turns messy engineering theory into a sleek, usable tool. This repack is less about bulky manuals and more about a living spreadsheet that guides you from process need to final shaft torque with clarity and a little engineering flair.
Structural and mechanical checks live in a separate sheet: shaft diameter from torsional and bending loads, bearing positions driven by overhung moments, and a safety-checked motor sizing that includes service factors and coupling losses. The repack computes torque envelopes across operating speeds and flags margins under different load cases (startup, steady-state, solids-laden). agitator design calculation xls repack
Documentation and traceability are built-in: each calculation block has a brief note citing the correlation source and applicability notes (e.g., "valid for Re > 10,000" or "empirical for non-cohesive solids"). A printable summary sheet aggregates final specs — impeller type and size, speed, motor power, shaft diameter, and expected power draw — ready for procurement or review. Imagine an Excel workbook reborn: a compact, polished
Next comes the core: hydrodynamic sizing. The repack lays out familiar correlations—power number (Np) tied to impeller type, Reynolds number to determine flow regime, and impeller diameter as a fraction of tank diameter. Behind the scenes, formulas dynamically switch between laminar and turbulent regimes, swapping in the correct Np and flow coefficient. Conditional formatting highlights when an assumed regime changes, nudging you to review assumptions. The repack computes torque envelopes across operating speeds
A practical section covers scale-up rules and empirical corrections: maintaining constant tip speed vs. constant power per unit volume, and when each approach makes sense. The spreadsheet includes a compact table of common impellers with recommended Np, typical clearance ranges, and agitation intensity guidance — handy when you want to sanity-check a selection.
