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(Color online) Views of ultrasonic atomization of water (a) and ethanol (b). A visible mist is produced from the capillary fountain jet for water in contrast with ethanol.
(Color online) Typical examples of the SAXS intensity at fixed angles. When the power of the ultrasonic oscillators (USs) is input, significant jumps are observed at for water but at for ethanol, suggesting that the ethanol droplets are smaller.
(Color online) Small-angle x-ray scattering profiles of liquid droplets in mist generated from pure ethanol and water at (a) and a ethanol-water mixture at 20 and (b). The diameters of the liquid droplets shown in the figures are derived from spherical model fits (solid curves).
Effects of temperature and airflow on the droplet size and the ethanol concentration in mist generated from a ethanol-water mixture. The dashed-dotted line in (a) corresponds to the vapor-liquid equilibrium curve. Note that the weight fraction of droplets and the overall ethanol mole fraction in the whole mist increase with airflow rate but decrease with temperature.
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