通过毛细力和表面处理增强多孔介质中的太阳能水蒸发
Enhanced solar evaporation of water from porous media, through capillary mediated forces and surface treatment
摘要：
研究了响应于入射太阳辐射，毛细力、马兰戈尼力和疏水力在介导碳泡沫基多孔介质中水蒸发中的相对影响。它表明，诱导表面上的亲水相互作用，通过硝酸处理的泡沫，具有类似的效果，以减少孔径和随后的毛细作用力。水蒸发的效率可以通过毛细管数（Ca）来参数化，优选较低的Ca。该研究对太阳能的有效利用具有重要意义。
英文摘要：
The relative influence of the capillary, Marangoni, and hydrophobic forces in mediating the evaporation of water from carbon foam based porous media, in response to incident solar radiation, are investigated. It is indicated that inducing hydrophilic interactions on the surface, through nitric acid treatment of the foams, has a similar effect to reduced pore diameter and the ensuing capillary forces. The efficiency of water evaporation may be parameterized through the Capillary number (Ca), with a lower Ca being preferred. The proposed study is of much relevance to efficient solar energy utilization.
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