国家自然科学基金(10872106)

作品数：8被引量：51H指数：5
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相关作者：郝鹏飞卢思傅承诵姚朝晖杨常卫更多>>
相关机构：清华大学中国直升机设计研究所更多>>
相关期刊：《Science China Chemistry》《Science Bulletin》《中国科学：物理学、力学、天文学》《中国科学：化学》更多>>
相关主题：MICRO-STRUCTURE液滴疏水表面超疏水表面层流更多>>
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Static and dynamic characterization of droplets on hydrophobic surfaces被引量：2
《Chinese Science Bulletin》2012年第10期1095-1101,共7页YAO ZhaoHui HAO PengFei ZHANG XiWen HE Feng 
the National Natural Science Foundation of China (10872106 and 11072126)
We report on our study of the static and dynamic wetting property of hydrophobic surfaces with micro-and dual micro/nano-scale structures.Simulations based on the lattice Boltzmann method showed that the apparent cont...
关键词：疏水表面 格子BOLTZMANN方法 动态特性 静态 液滴 纳米尺度 表面结构 表面润湿性 
Study of dynamic hydrophobicity of micro-structured hydrophobic surfaces and lotus leaves被引量：10
《Science China(Physics,Mechanics & Astronomy)》2011年第4期675-682,共8页HAO PengFei YAO ZhaoHui ZHANG XiWen 
supported by the National Natural Science Foundation of China(Grant Nos. 11072126 and 10872106)
The dynamic wetting characteristics of water droplets on silicon wafers with microscale regular pillars structures and fresh lotus leaves are investigated experimentally.We measured the static contact angle,contact an...
关键词：DROPLET HYDROPHOBICITY contact angle PIV 
Effects of gas compressibility and surface roughness on the flow in microfluidic devices被引量：1
《Science China(Physics,Mechanics & Astronomy)》2011年第4期711-715,共5页YAO ZhaoHui HAO PengFei ZHANG XiWen 
supported by the National Natural Science Foundation of China(Grant No. 10872106)
With the development of the micro-electro-mechanical system (MEMS),the flow characteristics in micro-channels have drawn increasing attention.In this paper,numerical simulations are conducted to investigate the flow c...
关键词：microfluidic devices surface roughness compressible characteristics early transition 
微结构疏水表面上液滴的表观接触角被引量：6
《中国科学：化学》2010年第10期1545-1549,共5页杨常卫 何枫 郝鹏飞 
国家自然科学基金(10672089和10872106)资助
虽然微结构疏水表面上Cassie-Baxter状态液滴的表观接触角已有理论预测公式,但实验研究发现,由于微结构疏水表面上的瑕疵,以及液滴受到的各种轻微扰动等原因,很容易造成Cassie-Baxter状态液滴局部区域出现Wenzel状态的情况(即混合状态)...
关键词：表观接触角 三相接触线 混合模型 Cassie-Baxter模型 Wenzel模型 
Drag reduction in ultrahydrophobic channels with micro-nano structured surfaces被引量：11
《Science China(Physics,Mechanics & Astronomy)》2010年第7期1298-1305,共8页LU Si YAO ZhaoHui HAO PengFei FU ChengSong 
supported by the National Natural Science Foundation of China (Grant No. 10872106)
A series of experiments have been performed to demonstrate the significant drag reduction of the laminar flow in the ultrahydrophobic channels with dual-scale micro-nano structured surfaces.However,in previous experim...
关键词：ultrahydrophobic surfaces hierarchical structure laminar flow drag reduction velocity slip 
具有微纳结构超疏水表面的槽道减阻特性研究被引量：16
《中国科学：物理学、力学、天文学》2010年第7期916-924,共9页卢思 姚朝晖 郝鹏飞 傅承诵 
国家自然科学基金资助(批准号:10872106)
目前一系列实验研究表明,在由一级微米结构或一级纳米结构构成的超疏水表面制成的槽道中,在层流的条件下,存在明显的减阻效应.但是以往的实验中,所采用的超疏水表面均是由一级微米结构或者纳米结构构成,并且流动槽道的尺度均是在微米量...
关键词：超疏水表面 二级微纳米复合结构 层流 减阻 壁面滑移 
The apparent contact angle of water droplet on the micro-structured hydrophobic surface被引量：10
《Science China Chemistry》2010年第4期912-916,共5页YANG ChangWei, HE Feng & HAO PengFei School of Aerospace, Tsinghua University, Beijing 100084, China 
supported by the National Natural Science Foundation of China (Grant Nos. 10672089 and 10872106)
The apparent contact angle of Cassie-Baxter state water droplets can be calculated by the existing theoretical formula, but due to the defects of the micro-structured hydrophobic surface and some inevitable tiny distu...
关键词：APPARENT CONTACT angle three-phase CONTACT line mixed MODEL Cassie-Baxter MODEL Wenzel MODEL 
Effect of upper contact line on sliding behavior of water droplet on superhydrophobic surface被引量：1
《Chinese Science Bulletin》2009年第5期727-731,共5页YANG ChangWei HAO PengFei HE Feng 
Supported by the National Natural Science Foundation of China (Grant Nos. 10672089 and 10872106)
With a low surface energy, high apparent contact angle(>150°) and low sliding angle(<5°), superhy- drophobic surface has recently been attracting a great deal of attention. The true factor determining the sliding an...
关键词：超级疏水性表面 上接触线 三相接触线 滑动角度 混合方式 三氯十八硅烷 
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