Abstract
In this article, we extend the low Reynolds number fluid-particle drag relation proposed by Yin and Sundaresan for polydisperse systems to include the effect of moderate fluid inertia. The proposed model captures the fluid-particle drag results obtained from lattice-Boltzmann simulations of bidisperse and ternary suspensions at particle mixture Reynolds numbers ranging from 0 ≤ Remix ≤ 40, over a particle volume fraction range of 0.2 ≤ φ ≤ 0.4, volume fraction ratios of 1 ≤ φi/φj ≤ 3, and particle diameter ratios of 1 ≤ di/dj ≤ 2.5.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1995-2004 |
| Number of pages | 10 |
| Journal | AIChE Journal |
| Volume | 56 |
| Issue number | 8 |
| DOIs | |
| State | Published - Aug 2010 |
All Science Journal Classification (ASJC) codes
- Biotechnology
- Environmental Engineering
- General Chemical Engineering
Keywords
- Fluid-particle drag force
- Fluidized bed
- Lattice-Boltzmann simulation
- Moderate inertia
- Multi-fluid model
- Polydisperse mixtures
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