BioFlo Mixing Time Estimator

Vessel geometry

Tank diameter D0.50 m

Liquid height H0.75 m

Impeller diameter d0.18 m

Agitation

Impeller type

Agitation speed N150 rpm

No. of impellers1

Fluid properties

Density ρ1000 kg/m³

Viscosity μ1.0 mPa·s

Aeration0.00 vvm

Primary output

mixing time tₘ
—
seconds

Hydrodynamics

Reynolds Re

—

dimensionless

P/V

—

W/m³

tip speed

—

m/s

total power

—

Vessel parameters

Volume V—

H/D ratio—

d/D ratio—

Power no. Np—

Tip shear risk—

Model

Nienow/Ruszkowski correlation. Modified for Re < 10⁴ (transitional) and Re < 10 (laminar). Multi-impeller correction: t_m ∝ n^–0.5. Aeration penalty: ×(1 + 0.38 vvm).