This article is cited in 46 papers

Theoretical and Mathematical Physics

Simulation of the nanofluid viscosity coefficient by the molecular dynamics method

V. Ya. Rudyak, S. L. Krasnolucki

Novosibirsk State University of Architecture and Civil Engineering

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.

Received: 30.06.2014

 English version: Technical Physics, 2015, 60:6, 798–804

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