A Lattice Boltzmann Model of Calculating Mass Diffusivity in Nanofluids

Zhong Li Tang; Bo Zhan

doi:10.4028/www.scientific.net/AMR.391-392.95

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 391-392A Lattice Boltzmann Model of Calculating Mass...

A Lattice Boltzmann Model of Calculating Mass Diffusivity in Nanofluids

Abstract:

So far, there were few models which could calculate the effective mass diffusivity D_e in nanofluids. In this paper, we proposed a lattice Boltzmann model to simulate the diffusion processes of Rhodamine B in 25nm-Cu/water nanofluids with different volume fractions and temperatures, and also calculated the effective mass diffusivity D_e. The results agreed well with the experimental data in literatures. So this model can be utilized to calculate the mass diffusivity in nanofluids. At last, we have discussed the enhancement mechanisms of diffusion in nanofluids.

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Periodical:

Advanced Materials Research (Volumes 391-392)

Pages:

95-99

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.391-392.95

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Online since:

December 2011

Authors:

Zhong Li Tang, Bo Zhan

Keywords:

Enhancement, Lattice Boltzmann, Mass Diffusivity, Mass Transfer, Nanofluid

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