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首页> 美国卫生研究院文献>Polymers >Wave Dispersion Analysis of Fluid Conveying Nanocomposite Shell Reinforced by MWCNTs Considering the Effect of Waviness and Agglomeration Efficiency
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Wave Dispersion Analysis of Fluid Conveying Nanocomposite Shell Reinforced by MWCNTs Considering the Effect of Waviness and Agglomeration Efficiency

机译：MWCNT考虑波纹和附聚效率的MWCNT型流体输送纳米复合壳波分散分析

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摘要

The current paper is aimed to investigate the effects of waviness, random orientation, and agglomeration factor of nanoreinforcements on wave propagation in fluid-conveying multi-walled carbon nanotubes (MWCNTs)-reinforced nanocomposite cylindrical shell based on first-order shear deformable theory (FSDT). The effective mechanical properties of the nanocomposite cylindrical shell are estimated employing a combination of a novel form of Halpin-Tsai homogenization model and rule of mixture. Utilized fluid flow obeys Newtonian fluid law and it is axially symmetric and laminar flow and it is considered to be fully developed. The effect of flow velocity is explored by implementing Navier-Stokes equation. The kinetic relations of nanocomposite shell are calculated via FSDT. Moreover, the governing equations are derived using the Hamiltonian approach. Afterward, a method which solves problems analytically is applied to solve the obtained governing equations. Effects of a wide range of variants such as volume fraction of MWCNTs, radius to thickness ratio, flow velocity, waviness factor, random orientation factor, and agglomeration factor on the phase velocity and wave frequency of a fluid conveying MWCNTs-reinforced nanocomposite cylindrical shell were comparatively illustrated and the results were discussed in detail.
机译：目前的纸张旨在研究纳米导向性，随机取向和聚集因子的影响基于一阶剪切可变形理论（FSDT）的流体输送多壁碳纳米管（MWCNTS） - 重新加入纳米复合圆柱壳中的波传播的影响）。据估计纳米复合圆柱形壳的有效机械性能，采用一种新颖的Halpin-Tsai均化模型和混合物规则的组合。利用流体流动obeys牛顿流体法，它是轴对称的，层流，并且被认为是完全开发的。通过实施Navier-Stokes方程来探索流速的影响。通过FSDT计算纳米复合壳的动力学关系。此外，使用Hamiltonian方法导出控制方程。之后，应用分析地解决问题的方法来解决所获得的控制方程。各种变体的影响，例如MWCNT的体积分数，半径到厚度比，流速，波纹因子，随机取向因子和流体输送MWCNTS型纳米复合圆柱壳的相速度和波峰的聚集因子相对说明，并详细讨论了结果。

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