仿生鲨鱼皮滚压成型表面减阻数值模拟研究
Study on Numerical Simulation of Drug Reduction on the Bionic Surface of Shark Skin Fabricated by Roller Embossing
DOI: 10.12677/MOS.2018.72009, PDF,    国家自然科学基金支持
作者: 杨雪峰, 赵丹阳*：大连理工大学机械工程学院，辽宁 大连
关键词: 绕丝；滚压；微沟槽结构；减阻；涡结构；Wire Winding； Roller Embossing； Micro-Riblet Structure； Drag Reduction； Vortex Structure
摘要: 通过绕丝和滚压成型工艺在聚合物薄膜上压印出U形沟槽，滚压过程中钢丝的直径和滚压成型工艺决定了沟槽的尺寸和形状。在实际成型效果的基础上，对微沟槽表面进行减阻数值模拟，研究了三维不可压缩湍流流动条件下不同尺寸和形状的微沟槽对减阻特性的影响，研究表明在微沟槽尺寸足够小时微沟槽表面才会表现出湍流减阻的特性。当沟槽直径是0.02 mm时，减阻率最高可达10%。为了进一步研究外界干扰对微沟槽面减阻特性的影响，通过加涡流发生器产生扰流的方法可以更直观的表现涡结构对减阻效果的影响，研究表明在产生扰流的情况下，微沟槽面的减阻效果更加明显。
Abstract: U-shaped riblet could be pressed on the polymer films by wire winding roller embossing. In the process, the size and structure characteristic of micro-riblets are significantly influenced by the embossing deformation process parameters and the diameter of stainless steel wires. The numerical simulation of micro-riblet drag reduction has also been performed on basis of the riblets obtained by roll-to-roll embossing process. And the influence of micro-riblet size and structure on turbulent drag reduction has been revealed in three-dimensional incompressible turbulent flow. We find the turbulent drag reduction could be achieved when the micro-riblet size is small enough in the simulation. When the diameter of the micro-riblet is 0.02 mm, the drag reduction rate could be up to 10%. The influence of external interference on micro-riblet drag reduction is further studied by adding turbulence through a vortex generator and it intuitively shows vortex structure on micro-riblet also affects drag reduction. The micro-riblet drag reduction effect is more obvious when the flow is under the interference of turbulence.
文章引用：杨雪峰, 赵丹阳. 仿生鲨鱼皮滚压成型表面减阻数值模拟研究[J]. 建模与仿真, 2018, 7(2): 63-75. https://doi.org/10.12677/MOS.2018.72009

参考文献

[1] Bhushan, B. and Jung, Y.C. (2011) Natural and Biomimetic Artificial Surfaces for Superhydrophobicity, Self-Cleaning, Low Adhesion, and Drag Reduction. Progress in Materials Science, 56, 1-108. [Google Scholar] [CrossRef] 
[2] Ma, P.X. (2008) Biomimetic Materials for Tissue Engineering. Advanced Drug Delivery Reviews, 60, 184-198. [Google Scholar] [CrossRef] [PubMed]
[3] 张德远, 李元月, 韩鑫, 等. 高精度复合减阻鲨鱼皮复制成形研究[J]. 科学通报, 2010(32): 3122-3127.
[4] 赵军. 凹坑形仿生非光滑表面的减阻性能研究[D]: [硕士学位论文]. 大连: 大连理工大学, 2008.
[5] 徐中, 赵军, 吴正华, 等. 凹坑形非光滑表面的减阻性能分析[J]. 航空精密制造技术, 2009, 45(1): 33-34.
[6] 黄桥高, 潘光, 胡海豹, 等. 脊状表面航行器模型减阻特性的水洞实验研究[J]. 实验流体力学, 2010, 24(3): 50-53.
[7] 赵琳珊, 白秀琴, 付宜风, 等. 船用梯形微沟槽表面减阻效应的仿真分析与实验验证[J]. 船舶工程, 2015(10): 15-20.
[8] Guo, C.F., Tian, Q.Q., Wang, H.R., et al. (2017) Roller Embossing Process for the Replication of Shark-Skin-Inspired Micro-Riblets. Micro & Nano Letters, 12, 439-444. [Google Scholar] [CrossRef] 
[9] Ahn, S.H. and Guo, L.J. (2009) Large-Area Roll-to-Roll and Roll-to-Plate Nanoimprint Lithography: A Step toward High-Throughput Application of Continuous Nanoimprinting. ACS Nano, 3, 2304-2310. [Google Scholar] [CrossRef] [PubMed]
[10] Hirt, G. and Thome, M. (2008) Rolling of Functional Metallic Surface Structures. CIRP Annals, 57, 317-320. [Google Scholar] [CrossRef] 
[11] 苏炳煌, 李光吉, 蒲侠, 等. 鲨鱼皮表面微结构在高分子表面的复制方法初探[J]. 材料研究与应用, 2008, 2(4): 460-464.
[12] Zhao, D.Y., Huang, Z.P., Wang, M.J., et al. (2012) Vacuum Casting Replication of Micro-Riblets on Shark Skin for Drag-Reducing Applications. Journal of Materials Processing Technology, 212, 198-202. [Google Scholar] [CrossRef] 
[13] 孙鹏翔. 鲨鱼皮微沟槽减阻机理与复制技术基础研究[D]: [硕士学位论文]. 大连: 大连理工大学, 2010.
[14] Domel, A.G., Saadat, M., Weaver, J.C., et al. (2018) Shark Skin-Inspired Designs That Improve Aerodynamic Performance. Journal of the Royal Society, Interface, 15.
[15] 卢思, 姚朝晖, 郝鹏飞, 等. 具有微纳结构超疏水表面的槽道减阻特性研究[C]//北京力学会. 北京力学会第16届学术年会: 2010年卷. 北京: 北京力学会, 2010.
[16] 胡海豹, 黄桥高, 蒋雄, 等. 脊状表面的准LIGA成形技术及其减阻试验研究[J]. 中国机械工程, 2010(3): 336-339.
[17] 宫武旗, 李新宏, 黄淑娟. 沟槽壁面减阻机理实验研究[J]. 工程热物理学报, 2002, 23(5): 579-582.
[18] 常跃峰, 姜楠, 夏振炎, 等. 沟槽壁湍流减阻机理的氢气泡流动显示及数字图像分析[J]. 天津大学学报, 2009(9): 839-844.
[19] 史小军, 王树立, 李恩田, 等. 肋条在湍流减阻中的数值模拟[J]. 管道技术与设备, 2008(1): 8-10.
[20] Boomsma, A. and Sotiropoulos, F. (2016) Direct Numerical Simulation of Sharkskin Denticles in Turbulent Channel Flow. Physics of Fluids, 28, 0351063.

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