Experimental characterization of hydrodynamic dispersion in shallow microchannels.
Hydrodynamic dispersion in shallow microchannels with almost parabolic cross-sectional shapes and with heights much less than their widths is studied experimentally. Both long serpentine channels and rotary mixers are used. The experimental results demonstrate that the dispersion depends on the width rather than the height of the channel. The results are in quantitative agreement with a recently proposed theory of dispersion in shallow channels.
Bontoux
Nathalie
N
Laboratoire de Photonique et de Nanostructures, CNRS, Route de Nozay, Marcoussis 91460, France.
Pépin
Anne
A
Chen
Yong
Y
Ajdari
Armand
A
Stone
Howard A
HA