Modeling of mixing processes: Fluids, particulates, and powders
Conference
·
OSTI ID:175498
- Northwestern Univ., Evanston, IL (United States)
Work under this grant involves two main areas: (1) Mixing of Viscous Liquids, this first area comprising aggregation, fragmentation and dispersion, and (2) Mixing of Powders. In order to produce a coherent self-contained picture, we report primarily on results obtained under (1), and within this area, mostly on computational studies of particle aggregation in regular and chaotic flows. Numerical simulations show that the average cluster size of compact clusters grows algebraically, while the average cluster size of fractal clusters grows exponentially; companion mathematical arguments are used to describe the initial growth of average cluster size and polydispersity. It is found that when the system is well mixed and the capture radius independent of mass, the polydispersity is constant for long-times and the cluster size distribution is self-similar. Furthermore, our simulations indicate that the fractal nature of the clusters is dependent upon the mixing.
- Research Organization:
- Argonne National Lab., IL (United States)
- OSTI ID:
- 175498
- Report Number(s):
- CONF-9505200--; ON: DE96000983
- Country of Publication:
- United States
- Language:
- English
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