对水平和30°倾角放置梯度表面能材料表面上液滴运动特性进行了可视化实验,分析了液滴在梯度表面上运动速度的变化规律,以及液滴大小和表面倾角对运动速度变化的影响.实验结果表明:在梯度表面能材料上,液滴能获得较大的宏观运动速度,并可以沿30°倾角放置的梯度表面材料上自下而上的运动;大液滴较小液滴的峰值运动速度大,运动距离更远;液滴在运动过程中出现蠕动的现象.
参考文献
| [1] | Daniel S;Chaudhury M K;Chen J C .Fast Drop Movements Resulting from the Phase Change on a Gradient Surface[J].Science,2001,291(5504):633-636. |
| [2] | Chaudhury M K .Rate-Dependent Fracture at Adhesive Interface[J].Journal of Physical Chemistry B,1999,103(31):6562-6566. |
| [3] | Choi SH.;Newby BMZ. .Micrometer-scaled gradient surfaces generated using contact printing of octadecyltrichlorosilane[J].Langmuir: The ACS Journal of Surfaces and Colloids,2003(18):7427-7435. |
| [4] | Daniel S.;Chaudhury MK. .Rectified motion of liquid drops on gradient surfaces induced by vibration[J].Langmuir: The ACS Journal of Surfaces and Colloids,2002(9):3404-3407. |
| [5] | Susan Daniel;Sanjoy Sircar;Jill Gliem;Manoj K.Chaudhury .Ratcheting Motion of Liquid Drops on Gradient Surfaces[J].Langmuir: The ACS Journal of Surfaces and Colloids,2004(10):4085-4092. |
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