Dynamic Particle Accumulation Structure(PAS) due to Thermocapillary Effect in Non-Cylindrical Half-Zone Liquid Bridge
Dynamic Particle Accumulation Structure(PAS) due to Thermocapillary Effect in Non-Cylindrical Half-Zone Liquid Bridge
复制标题
非圆柱形半区液桥中热毛细管效应引起的动态颗粒累积结构（PAS）
DOI：
10.1111/j.1749-6632.2008.04073.x
复制
发表时间：
2009
期刊：
影响因子：
--
通讯作者：
S
中科院分区：
文献类型：
--
作者：
Abe;Y.;Ueno;I. & Kawamura;H. Sadhal;S
研究了半区液桥中热毛细效应引起的动态粒子积累结构（PAS）。在本研究中，通过跟踪液桥中的粒子和测量自由表面的温度，我们讨论了由其体积比描述的液桥形状对PAS本身形状和粒子在PAS上的运动的影响。液桥体积比的变化导致自由表面温度梯度的显著变化，从而导致PAS叶片形状的差异，特别是PAS叶片宽度的差异。考虑到简单建模的粒子运动，我们解释了PAS叶片的宽度是由几个参数决定的，我们发现它的变化主要是由表面上粒子轴向速度的急剧变化来解释的。
We focus on the dynamic particle accumulation structure (PAS) due to the thermocapillary effect in a half‐zone liquid bridge. In this study, by tracking particles in the liquid bridge and by measuring temperature on the free surface, we discuss the effects of a liquid bridge shape described by its volume ratio upon the shape of the PAS itself and motion of particle on the PAS. The variation of the liquid bridge volume ratio leads to a significant variation of the temperature gradient on the free surface, which results in difference of the shape of the PAS, especially width of the PAS blade. By considering the simply modeled particle motion, we explain that the width of the PAS blade is determined by several parameters, and we find that its variation is explained mainly by a drastic change of the axial velocity of the particle on the surface.