Liquid Capillary Micro/Nanojets in Free-Jet Expansion
Liquid Capillary Micro/Nanojets in Free-Jet Expansion
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DOI：
10.1002/smll.200901786
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发表时间：
2010-04-09
期刊：
影响因子：
13.3
通讯作者：
Doak, R. Bruce
中科院分区：
文献类型：
--
作者：
Ganan-Calvo, Alfonso M.;DePonte, Daniel P.;Doak, R. Bruce
利用扫描电子显微镜对气体射流膨胀到真空中放电区产生的毛细稳定微射流进行了成像。同向流动的气体通过惯性聚集并拉动通过同心地定位在排放孔处的毛细管供给的液体。射流分裂成准直良好的液滴。数值模拟解释了放电到真空后液相的持续性。
A capillary steady microjet produced at the discharge region of a gas jet expanding into vacuum is imaged using scanning electron microscopy. The co-flowing gas focuses by inertia and pulls the liquid fed through a capillary tube concentrically positioned at the discharge orifice. The jet breaks up into well-collimated droplets. Numerical simulation explains the persistence of the liquid phase after discharge into vacuum.