论文标题
油滴的自发变形和裂变在水性表面活性剂溶液上
Spontaneous deformation and fission of oil droplets on an aqueous surfactant solution
论文作者
论文摘要
我们研究了含有棕榈酸(PA)的四核液滴的自发变形和裂变,在硬甲基三甲基铵(Stac)水溶液上。在该系统中,由PA和STAC组成的凝胶层的产生和破裂会诱导液滴变形和裂变。为了研究液滴 - 裂缝动力学的特性,我们获得了液滴数量的时间序列,并确认该数量在某个Stac浓度下具有峰值。由于液滴的裂变应由变形引导,因此我们分析了四个参数,这可能与液滴 - 固定速度的时空相关性的裂变动力学有关。结果,我们发现更快的变形将是裂变动力学的关键因素。
We investigated the spontaneous deformation and fission of a tetradecane droplet containing palmitic acid (PA) on a stearyltrimethylammonium chloride (STAC) aqueous solution. In this system, the generation and rupture of the gel layer composed of PA and STAC induce the droplet deformation and fission.To investigate the characteristics of the droplet-fission dynamics, we obtained the time series of the number of the droplets, and confirmed that the number has a peak at a certain STAC concentration. Since the fission of the droplet should be led by the deformation, we analyzed four parameters which may relate to the fission dynamics from the spatio-temporal correlation of the droplet-boundary velocity. As a result, we found that the faster deformation would be the key factor for the fission dynamics.