Investigation of small-scale droplet concentration inhomogeneities in a turbulent flow
作者： B. Grits , M. Pinsky , A. Khain
DOI: 10.1007/S00703-005-0157-4
关键词: Inertia 、 Mechanics 、 Isotropy 、 Scale (ratio) 、 Turbulence 、 Thermodynamics 、 Radius 、 Scalar (physics) 、 Amplitude 、 Materials science 、 Cloud physics
摘要: This paper is focused on the numerical investigation of spatial characteristics droplet concentration fluctuations, originating in a turbulent flow. The flow simulated using model statistically stationary, homogeneous and isotropic We found that preferential with maximum spectrum at about 1.5 cm formed regardless size (up to radius 20 µm). amplitude fluctuations depends constitutes significant part mean concentration. Analogous simulations non-inertial droplets (passive scalar) do not reveal such fluctuations. Our main conclusion is, therefore, following: cm-scale forms due inertia.
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