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Flow Characterizations and Drag Reduction on the Hydrophobic Surface with a Full Covering Gas Film
文献类型:期刊
作者:Du, P.[1]  Song, D.[2]  Ren, F.[3]  Xue, Q.[4]  Hu, H.[5]  
机构:[1]Northwestern Polytech Univ, Sch Marine Sci & Technol, Xian 710072, Shaanxi, Peoples R China.;Univ Technol Compiegne, Sorbonne Univ, UMR CNRS 7337, Lab Roberval,Ctr Rech Royallieu, BP 20529, F-60206 Compiegne, France.;
[2]Northwestern Polytech Univ, Sch Marine Sci & Technol, Xian 710072, Shaanxi, Peoples R China.;
[3]Northwestern Polytech Univ, Sch Marine Sci & Technol, Xian 710072, Shaanxi, Peoples R China.;
[4]Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China.;
[5]Northwestern Polytech Univ, Sch Marine Sci & Technol, Xian 710072, Shaanxi, Peoples R China.;Northwestern Polytech Univ, Inst NPU Shenzhen, Shenzhen 518057, Peoples R China.;
通讯作者:Hu, H (reprint author), Northwestern Polytech Univ, Sch Marine Sci & Technol, Xian 710072, Shaanxi, Peoples R China.; Hu, H (reprint author), Northwestern Polytech Univ, Inst NPU Shenzhen, Shenzhen 518057, Peoples R China.
年:2017
期刊名称:JOURNAL OF APPLIED FLUID MECHANICS影响因子和分区
卷:10
期:2
页码范围:491-498
增刊:正刊
收录情况:SCI(E)(WOS:000394331500002)  
所属部门:航海学院
被引频次:1
人气指数:264
浏览次数:264
基金:National Natural Science Foundation of China [51679203, 51335010]; Natural Science Basic Research Plan in Shaanxi Province of China [2016JM1002]; Natural Science Basic Research Plan in Shenzhen City of China [JCYJ20160510140747996]
关键词:Hydrophobic surface; Lattice Boltzmann method; Gas film; Slip; Drag reduction
摘要:
Characteristics of the flow on hydrophobic surfaces with a full covering gas film are investigated using the single-component multi-phase (SCMP) Lattice Boltzmann (LB) simulation. By adopting the Shan-Doolen force model and incorporating equations of state (EOS) of real fluids, large density ratios are achieved. The height of the air film maintained is observed to increase with the improvement of the surface hydrophobicity. In the laminar flow, the state of the gas-liquid interface is not influe ...More
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