期刊
出版社
ROYAL SOC
DOI: 10.1098/rsta.2018.0335
关键词
hydrophilic; heterogeneous wettability; triangular pattern; water collection; condensation; Laplace pressure gradient
资金
- seed grant GOGCAP from the Center for Applied Plant Sciences (CAPS) of The Ohio State University
Desert beetles and cactus plants collect water from fog in arid regions. The desert beetle uses heterogeneous wettability to transport water to its mouth. A cactus uses conical spines which provide Laplace pressure gradient to transport water to its base. In this study, bioinspired triangular patterns with various wettability and different from the surrounding regions were investigated to transport condensed water from ambient air. A low temperature of 5 degrees C was used to decrease saturated vapour pressure to promote water condensation. Results from this study can be used to enhance the performance of water collection systems. This article is part of the theme issue 'Bioinspired materials and surfaces for green science and technology'.
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