Abstract
Abstract
Highlights
Transport of inertial particles by turbulent flows is a common phenomenon observed in nature
The characteristic length scales of these microphysical processes are significantly smaller than those defining large-scale atmospheric flows; they cannot be resolved in numerical weather prediction (NWP) models
The collision-coalescence of water droplets has been quantified using the combined Eulerian–Lagrangian numerical approach incorporating the exact representation of aerodynamic interactions between droplets
Summary
Transport of inertial particles by turbulent flows is a common phenomenon observed in nature. Turbulent transport is an important process in a variety of industrial applications, e.g. filtering of solid particles, propulsion systems and oil processing. We focus on quantitative analysis of cloud microphysical processes in turbulent air. Accurate description of these complex atmospheric phenomena is central for reliable weather and climate predictions on Earth. The characteristic length scales of these microphysical processes are significantly smaller than those defining large-scale atmospheric flows; they cannot be resolved in numerical weather prediction (NWP) models. In the standard NWP approach, the effect of cloud processes at unresolved scales is usually accounted for by parameterisation, representing only some statistical features of the modelled systems. To develop more realistic parameterisations, a detailed knowledge of the physics underlying these processes is necessary
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