期刊
PHYSICS OF FLUIDS
卷 24, 期 6, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4719144
关键词
drops; flow measurement; lattice Boltzmann methods; numerical analysis; probability; statistical analysis; turbulence
资金
- COST Action [MP0806]
- FOM (Stichting voor Fundamenteel Onderzoek der Materie)
- National Science Foundation [NSF PHY05-51164]
- DROEMU-FP7 IDEAS [279004]
We study the physics of droplet breakup in a statistically stationary homogeneous and isotropic turbulent flow by means of high resolution numerical investigations based on the multicomponent lattice Boltzmann method. We verified the validity of the criterion proposed by Hinze [AIChE J. 1, 289 (1955)] for droplet breakup and we measured the full probability distribution function of droplets radii at different Reynolds numbers and for different volume fractions. By means of a Lagrangian tracking we could follow individual droplets along their trajectories, define a local Weber number based on the velocity gradients, and study its cross-correlation with droplet deformation. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4719144]
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