Electrowetting EWOD Contact Angle Calculator
Digital microfluidics & lab-on-a-chip: Calculate voltage-induced droplet contact angle reduction ($\theta(V)$), Lippmann-Young electrowetting number ($\eta$), and lateral actuation force ($f_{act}$).
Dielectric Layer & Interfacial Tension
Insulator thickness beneath droplet
Hydrophobic zero-voltage angle
Surrounding Medium & Voltage
Water in air ~72, Water in oil ~20–35
Drive electrode width for total force calculation
Electrowetting Response Output
Modulated Contact Angle θ(V):
--
-- contact angle shift
Actuation Driving Force F_act:
--
µN net propulsion
Electrowetting Number η:
--
Electrostatic vs surface tension
Dielectric Electric Field:
--
MV / cm breakdown check
| Line Driving Force (f_line): | -- |
| Dielectric Capacitance C_d: | -- |
| Contact Angle Saturation Status: | -- |
| Dielectric Integrity: | -- |
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