A stochastic method which uses a modified Langevin equation to represent the velocities of the fluid seen by a particle in a turbulent field is explored. Calculations of the dispersion of particles from a source on a wall agree with calculations at Reτ = 150 which use a DNS to represent the fluid velocity field. The paper demonstrates how wall source calculations can be used to analyze problems involving atomization and deposition, which are of interest in horizontal gas-liquid annular flows.
Volume Subject Area:
Gas-Liquid Two-Phase Flows
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