Size and size distribution control using OFM: Research on multiphase systems (liquid-liquid and gas-liquid) have shown that both the size and size distribution of droplets (Figure 1) and bubbles (Figure 2) can be fine-tuned by changing the fluid oscillations conditions.
Liquid-liquid dispersion
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Figure 1 - (a) Dispersion of silicon oil droplets in water, at f = 6 Hz, x0 = 3 mm; (b) Droplet size distribution in silicon oil-water mixtures (2.5% v/v) in a vertical, batch mesoreactor at a constant x0 = 2 mm. |
Gas - liquid dispersion
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Figure 2 - (a) Dispersion of air-water, at f = 10 Hz, x0 = 3 mm; (b) Bubble size distribution in a vertical, batch 350 mm long meso-reactor for f = 15 Hz and increasing x0 |
