渗吸
材料科学
多孔介质
化学工程
流量(数学)
多孔性
纳米技术
化学物理
复合材料
化学
机械
物理
生物
植物
发芽
工程类
作者
Runfeng Zhou,M. Neek-Amal,F. M. Peeters,Bofeng Bai,Chengzhen Sun
标识
DOI:10.1103/physrevlett.132.184001
摘要
Nanoscale extension and refinement of the Lucas-Washburn model is presented with a detailed analysis of recent experimental data and extensive molecular dynamics simulations to investigate rapid water flow and water imbibition within nanocapillaries. Through a comparative analysis of capillary rise in hydrophilic nanochannels, an unexpected reversal of the anticipated trend, with an abnormal peak, of imbibition length below the size of 3 nm was discovered in hydrophilic nanochannels, surprisingly sharing the same physical origin as the well-known peak observed in flow rate within hydrophobic nanochannels. The extended imbibition model is applicable across diverse spatiotemporal scales and validated against simulation results and existing experimental data for both hydrophilic and hydrophobic nanochannels.
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