Bioinspired Unidirectional Liquid Spreading Channel–Principle, Design, and Manufacture,Advanced Materials Interfaces

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Bioinspired Unidirectional Liquid Spreading Channel–Principle, Design, and Manufacture
Advanced Materials Interfaces ( IF 4.3 ) Pub Date : 2020-01-14 , DOI: 10.1002/admi.201901791
Xiangyu Zhang _{1,

2} , Dongyue Wang _{3,

4} , Yixuan Zhang ₁ , Deyuan Zhang _{1,

2} , Zeming Li ₁ , Hao Liu _{2,

3,

4,

5}

Affiliation

Liquid unidirectional spreading without energy input has attracted worldwide attentions owing to its potential applications in various fields. The liquid transfer between the adjacent microcavities on the peristome of Nepenthes alata provides great inspiration in that the concave curvature edge structure has the possibility to induce liquid directional spreading. Herein, the effect of concave curvature edge on liquid spreading is found to be different from that of the solid edge described by the Gibbs inequality condition. In this condition, there exist two liquid transfer states, namely conduction and resistance. Taking the advantages of the concave curvature edge, a new unidirectional liquid spreading channel is designed and fabricated by the traditional machining method, and its liquid directional spreading function is validated. This article provides a theoretical and technical support for the design and fabrication of liquid unidirectional spreading channel without an external energy input.

中文翻译：

受生物启发的单向液体传播通道-原理，设计和制造

没有能量输入的液体单向扩散由于其在各个领域的潜在应用而引起了全世界的关注。猪笼草周缘组织相邻微腔之间的液体转移提供了很大的启发，因为凹曲率边缘结构有可能引起液体定向扩散。在此，发现凹曲率边缘对液体扩散的影响不同于由吉布斯不等式条件描述的实心边缘的影响。在这种情况下，存在两种液体转移状态，即传导状态和电阻状态。利用凹曲率边缘的优势，利用传统的加工方法设计制造了一种新型的单向液体扩散通道，并验证了其液体定向扩散功能。本文为无外部能量输入的液体单向扩散通道的设计和制造提供了理论和技术支持。

更新日期：2020-01-14

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