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Froude Number Calculator

Calculates the stirred-tank Froude number Fr = N²D/g from rotational speed and impeller diameter, to judge surface vortex severity and guide baffle design.

Inputs

Results

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Note: Higher Fr indicates a more pronounced surface vortex; unbaffled tanks at high Fr risk air entrainment.

Results are based on standard engineering correlations for preliminary process design reference only. Please verify with test data and a qualified process engineer before finalizing equipment selection.

FAQ

Frequently asked about the Froude Number Calculator

Calculates the stirred-tank Froude number Fr = N²D/g from rotational speed and impeller diameter, to judge surface vortex severity and guide baffle design.
Higher Fr indicates a more pronounced surface vortex; unbaffled tanks at high Fr risk air entrainment.
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