论文部分内容阅读
液体单方向搬运表面因无需外部动力即可实现液体连续铺展搬运,在机械、能源、医疗、农业等领域具有重要应用前景,受到了国内外高度关注[1—3]。具有亲疏水梯度和锥形结构特征的一维丝状材料能实现液体的短距离搬运,而表面能梯度和梯度拉普拉斯压力是一维丝状材料液体短距离搬运的动力源[4—6]。许多自然生物进化出这种结构特征来实现集水、集雾等,例如沙漠甲虫利用外壳上的亲疏水交
The liquid unidirectional conveying surface can spread and transport liquid continuously without external power and has important application prospect in the fields of machinery, energy, medical treatment and agriculture, and has been highly concerned both at home and abroad [1-3]. The one-dimensional filamentous material with hydrophilicity and hydrophobicity gradient and conical structure can realize the short-distance liquid transportation, while the surface energy gradient and gradient Laplace pressure are the power source for short-distance transportation of one-dimensional filamentous material liquid [4- 6]. Many natural organisms evolved this structural feature to achieve water harvesting, fogging, etc. For example, the desert beetle utilizes the Hydrophilic and Hydrophobic Bodies