Introduction to Microfluidics - KATE.pptx - McGill University
Introduction to Microfluidics - KATE.pptx - McGill University
Introduction to Microfluidics - KATE.pptx - McGill University
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Capillary Phenomenon<br />
Pressure of the liquid column:<br />
ΔP = ρgh<br />
θ<br />
r<br />
Capillary pressure: ΔP<br />
= −<br />
γ : Surface tension<br />
Height of liquid column:<br />
θ<br />
: Contact angle<br />
h<br />
=<br />
2γ<br />
r<br />
2γ cosθ<br />
ρgr<br />
h<br />
30