Computational transport processes for micromixers* - Micromixers Fundamentals Design and Fabrication - page 108

FIGURE 3.32
The electric, velocity, and concentration fields for mixing in a droplet driven by electroosmotic flow.

were used as approximations. The surface tension between ferrofluid and oil is set to

10 4 N/m. A lower surface tension is used so that larger deformation of the droplet
can be achieved.
For the magnetic potential equation, the relative permeability, i.e., 1

s ¼ 3.65

þ c , is evaluated using Eqn

(3.34b) as:

1 1 H H

þ c ¼ þ c þ

(3.60)

1 1 1 þ c þ