WebSep 17, 2024 · We show that the spreading direction of liquids with different surface tensions can be tailored by designing 3D capillary ratchets that create an asymmetric … WebSep 17, 2024 · A theoretical model describing the vertical and horizontal capillary flow in V-shaped microgrooves was proposed and utilized to analyze the experimental results. The …
Three-dimensional capillary ratchet-induced liquid
WebMay 17, 2008 · The capillary ratchet also depends critically on the beak's wettability--a measure of a liquid's tendency to bead up into droplets or spread out to wet its surface. Oil is much more "wetting"... WebFLUID MECHANICS Three-dimensional capillary ratchet-induced liquid directional steering Shile Feng1,2†, Pingan Zhu1†, Huanxi Zheng1, Haiyang Zhan 2, Chen Chen , Jiaqian Li1, Liqiu Wang3, Xi Yao4,Yahua Liu2, Zuankai Wang1,5* Conventional understanding has it that a liquid deposited on a surface tends to move along directions standard and associates police test
Capillary - Wikipedia
WebMar 22, 2008 · This capillary ratchet mechanism may also find applications in microscale fluid transport, such as valveless pumping of fluid drops. REFERENCE [1] Surface Tension Transport of Prey by Feeding Shorebirds: The Capillary Ratchet, M. Prakash, D. Quéré and J. W. M. Bush, Science, Vol. 320 (5878), 931-934, 16 May 2008. pdf WebJan 5, 2024 · Based on the 3D capillary ratchets, more work can be done, such as (1) optimizing the structure parameters to further improve the steering speed, (2) enhancing the reliability of the nanostructured surfaces, (3) broadening the direction selections for more kinds of liquids beyond bi-directional, and (4) exploring practical applications like water … WebFeb 20, 2011 · The ratchet is made of brass and brought to a temperature T =350 ° C, much greater than 200 °C, the Leidenfrost temperature for ethanol, at which boiling would be observed. The teeth have a... standard amount of wine