Kolliopoulos Panayiotis, Kumar Satish
Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, MN, 55455, USA.
NPJ Microgravity. 2021 Dec 9;7(1):51. doi: 10.1038/s41526-021-00180-6.
Capillary flow is the spontaneous wicking of liquids in narrow spaces without the assistance of external forces. Examples of capillary flow can be found in numerous applications ranging from controlling and transporting fuel in spacecrafts to printed electronics manufacturing. Open rectangular microchannels often appear in these applications, with the lack of a top resulting in a complex free-surface morphology and evaporation. Here, we present a brief overview of this topic and discuss some recent advances.
毛细流动是指液体在狭窄空间中自发的芯吸作用，无需外力协助。毛细流动的例子在众多应用中都能找到，从航天器中燃料的控制和传输到印刷电子产品制造。开放式矩形微通道在这些应用中经常出现，由于缺少顶部，导致自由表面形态复杂且存在蒸发现象。在此，我们简要概述这一主题并讨论一些最新进展。
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