Inertial Microfluidic Focusing Calculator

Label-Free Microfluidic Cell Sorting: Determine channel Reynolds number ($Re_c$), particle Reynolds number ($Re_p$), net inertial lift ($F_L$), and minimum focusing length ($L_f$).

Microchannel & Particle Geometry

Channel Width $W$ ($\mu\text{m}$):

Channel Height $H$ ($\mu\text{m}$):

Particle/Cell Diameter $a$ ($\mu\text{m}$):

Flow Rate $Q$ (mL/min):

Fluid Dynamic Viscosity $\mu$ (mPa·s):

Inertial Focusing Dynamics

Channel Reynolds ($Re_c$)

Particle Reynolds ($Re_p$)

Focusing Length ($L_f$)

-- cm

Focusing Feasibility

Hydrodynamic Diagnostics

• Hydraulic Diameter ($D_h = 2WH / (W+H)$): -- $\mu\text{m}$

• Confinement Ratio ($a / D_h$): -- (Optimal: > 0.07)

• Mean Velocity in Channel ($U_m$): -- m/s

• Net Inertial Lift Force ($F_L$): -- nN

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Inertial Microfluidic Focusing Calculator

Microchannel & Particle Geometry

Inertial Focusing Dynamics

Hydrodynamic Diagnostics

Frequently Asked Questions