Environmental Engineering Reference
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Fig. 6.16 An example of the application of the EWOD principle in magnetic refrigeration
contact region. A negative capillary pressure is induced, which leads to the
fl
uid
fl
lm in front of the macroscopic drop.
Figure
6.17
b shows an example of an application in which the voltage across the
two ends induces the motion of the droplet. The motion is actuated by the pressure
difference and the asymmetric change of the surface tension of two menisci.
According to Yeo and Chang [
93
], the application of such a pair (liquid metal and
electrode) may be problematic in microchannels, especially because of
ow and pushes a thin electrowetting
the
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