期刊
LANGMUIR
卷 33, 期 27, 页码 6701-6707出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.langmuir.7b01223
关键词
-
资金
- National Natural Science Foundation of China Science Fund for Creative Research Groups [51621062]
Phase-change heat transfer on nanostructured surfaces is an efficient cooling method for high heat flux devices due to its superior wettability. Liquid droplet spreading and wicking effect then dominate the heat transfer. Therefore, this study investigates the flow behavior after a droplet touches a nanostructured surface focusing on the ZnO nanowire surface with three different nanowire sizes and two array types (regular and irregular). The spreading diameter and the wicking diameter are measured against time. The results show that the average spreading and wicking velocities on a regular nanostructured surface are both smaller than those on an irregular nanostructured surface and that the nanowire size affects the liquid spreading and capillary wicking.
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