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Investigating the Nanoparticles Penetration Efficiency through Horizontal Tubes Using an Experimental Approach

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  • Zhaoqin Yin
  • Zhongping Dai

Abstract

It is a complex transfer process of nanoparticles in a tube. In this paper, in order to quantify the penetration efficiency of nanoparticles in different flows condition through horizontal tubes, the experiments have been carried out with particles diameter between 6 nm and 560 nm in various lengths of sampling tube. The results were in good agreement with the theory of Gormley and Kennedy and the experiment results of Kumar et al. for particles size smaller than 100 nm. Particles penetration rate increases with increasing of the Schmidt number (Sc), and it decreases with increasing Reynolds and tube length. Particles deposition on the wall induces the changes of the mass and average diameter of particles continuously. Therefore, a nondimensional parameter ( ς ) defined dependency on Reynolds number and particle residence time in tube has been used to express total mass penetration efficiency and mean size growth rate through a straight tube.

Suggested Citation

  • Zhaoqin Yin & Zhongping Dai, 2015. "Investigating the Nanoparticles Penetration Efficiency through Horizontal Tubes Using an Experimental Approach," Advances in Mathematical Physics, Hindawi, vol. 2015, pages 1-6, March.
    • Handle: RePEc:hin:jnlamp:897120
    DOI: 10.1155/2015/897120
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