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Simulation of the nanofluid viscosity coefficient by the molecular dynamics method

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Abstract

The viscosity coefficient of several model nanofluids is simulated by the molecular dynamics method. As nanofluids, argon mixtures with aluminum and lithium particles are used. The size of nanoparticles is varied from 1 to 4 nm; their volume concentration, from 1% to 12%. It is shown that the viscosity of the nanofluids is considerably higher than that of the carrier fluid. The finer the particles, the higher the viscosity of the nanofluids with the volume concentration of the particles being the same. The reason for such an effect is explained qualitatively. It is also found that the viscosity of the nanofluids depends on the material of nanoparticles.

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Authors and Affiliations

  1. Novosibirsk State University of Architecture and Construction (Sibstrin), ul. Leningradskaya 113, Novosibirsk, 630008, Russia

    V. Ya. Rudyak & S. L. Krasnolutskii

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  1. V. Ya. Rudyak
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  2. S. L. Krasnolutskii
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Correspondence to V. Ya. Rudyak.

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Original Russian Text © V.Ya. Rudyak, S.L. Krasnolutskii, 2015, published in Zhurnal Tekhnicheskoi Fiziki, 2015, Vol. 85, No. 6, pp. 9–16.

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Rudyak, V.Y., Krasnolutskii, S.L. Simulation of the nanofluid viscosity coefficient by the molecular dynamics method. Tech. Phys. 60, 798–804 (2015). https://doi.org/10.1134/S1063784215060237

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