Flow and migration of nanoparticle in a single channel |
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| Authors: | Dongsheng Wen Li Zhang Yurong He |
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| Institution: | (1) School of Engineering and Materials Science, Queen Mary University of London, London, E1 4NS, UK;(2) School of Chemical Engineering, Harbin Institute of Technology, Harbin, China |
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| Abstract: | A numerical simulation based on a combined Euler and Lagrange method is investigated in this work to simulate the flow and
migration of nanoparticles in a single channel. The motion of discrete nanoparticles is determined by the Lagrangian trajectory
method based on the Newton’s second law that includes the influence of the body force, various hydrodynamic forces, the Brownian
motion and the thermophoresis force. The coupling of discrete particles with continuous flow is realized through the modification
of the source term of the continuous equation. The results reveal the two-phase flow nature of nanoparticle suspensions and
their implications to the convective heat transfer of nanofluids. |
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