Gas-liquid two-phase flow patterns in rectangular polymeric microchannels: effect of surface wetting properties.
Gas-liquid two-phase flow patterns in rectangular polymeric microchannels: effect of surface wetting properties.
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DOI:
10.1088/1367-2630/11/7/075034
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发表时间:
2009
影响因子:
3.3
通讯作者:
Takayama S
中科院分区:
文献类型:
--
作者:
Huh D;Kuo CH;Grotberg JB;Takayama S
Here we map gas–liquid two-phase flow regimes observed in polymeric microchannels with different wetting properties. We utilized video and confocal microscopy to examine two-phase flow patterns produced by parallel injection of air and water through a Y-shaped junction into a rectangular microchannel made of poly(dimethylsiloxane) (PDMS). We observed seven flow regimes in microchannels with hydrophobic walls, whereas only two flow patterns were identified in hydrophilic microchannels. Our study demonstrates that surface wettability has a profound influence on the spatial distribution of air and water moving in microchannels.
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DOI:
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发表时间:
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影响因子:
11.1
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影响因子:
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WHITESIDES, GM