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Quartz crystal microbalance and evaporation of sessile droplets

机译:石英晶体微天平和固着液滴的蒸发

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摘要

A quartz crystal microbalance and dissipation simultaneously measuring the frequency and the dissipation over more than one decade, from fundamental to overtone 15, is used to investigate the evaporation mechanisms of small water sessile droplets onto a gold surface. An unexpected weak increase in frequency is observed during the first stage of evaporation where the contact line is pinned while the dissipation is unchanged. The increase in frequency has a linear dependence with the overtone order so it is related to a very thin amount of water. A droplet deposited inside a circular barrier does not exhibit such a variation suggesting that the observed effect is related to the region in the vicinity of the edge of the droplet.
机译:石英微天平和耗散量同时测量了从基频到泛音15十多年来的频率和耗散,用于研究小水无滴液滴在金表面上的蒸发机理。在蒸发的第一阶段中观察到了频率意外的微弱增加,在该阶段中,接触线被固定,而耗散没有改变。频率的增加与泛音阶数呈线性关系,因此它与极少量的水有关。沉积在圆形屏障内的液滴没有这种变化,表明观察到的效果与液滴边缘附近的区域有关。

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  • 来源
    《Journal of Applied Physics》 |2009年第5期|054906.1-054906.4|共4页
  • 作者单位

    CPMOH, UMR 5798 CNRS, Universite Bordeauxl, 351 Corns de la Liberation, 33405 Talence Cedex, France;

    CPMOH, UMR 5798 CNRS, Universite Bordeauxl, 351 Corns de la Liberation, 33405 Talence Cedex, France;

    CPMOH, UMR 5798 CNRS, Universite Bordeauxl, 351 Corns de la Liberation, 33405 Talence Cedex, France;

    CPMOH, UMR 5798 CNRS, Universite Bordeauxl, 351 Corns de la Liberation, 33405 Talence Cedex, France;

    CEA-LETl, MINATEC, 17 rue des Martyrs, 38054 Grenoble Cedex 9, France;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
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