KAUST Grant NumberKUK-I1-005-04
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AbstractLarge-scale molecular dynamics (MD) simulations of freely decaying turbulence in three-dimensional space are reported. Fluid components are defined from the microscopic states by eliminating thermal components from the coarse-grained fields. The energy spectrum of the fluid components is observed to scale reasonably well according to Kolmogorov scaling determined from the energy dissipation rate and the viscosity of the fluid, even though the Kolmogorov length is of the order of the molecular scale. © 2014 The Authors.
CitationKomatsu TS, Matsumoto S, Shimada T, Ito N (2014) A glimpse of fluid turbulence from the molecular scale. International Journal of Modern Physics C 25: 1450034. Available: http://dx.doi.org/10.1142/S012918311450034X.
SponsorsWe wish to thank M. Miyama and Y. Murase for helpful advices. Numerical simulations were partly carried out by the use of the Plasma Simulator at the National Institute for Fusion Science and supported by the NIFS Collaboration Research programs (NIFS10KNSS014). This work was partly supported by Award No. KUK-I1-005-04 made by King Abdullah University of Science and Technology (KAUST).
PublisherWorld Scientific Pub Co Pte Lt