New model for the dispersion of droplets and particles in turbulent two-phase flows
A Lagrangian model is presented for the calculation of the dispersion of particles in turbulent flows. The model gives a good account of available experimental and numerical data. The connection between the Eulerian and Lagrangian lengthscale of the turbulence is considered, and a simple relationship is developed for the dispersion of a fluid point based on direct numerical simulation calculations. The statistics of the interaction process and the possibility of non-ergodicity are investigated, and a Eulerian framework is developed for the discrete phase. The possible extensions of the model to consider higher mass loading is discussed, and a model for the inclusion of evaporative effects is proposed.
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- Institut Francais du Petrole : 저널
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