β Scribed by J.Egil Juliussen
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
A simple model of a spherical bubble rising through a layer of liquid with mass transfer of part. or all, of its contents is considered. The effects of the changing hydrostatic pressure, the material transfer and of surface tension are accounted for and the various types of behaviour exhibited in a
The time-dependent mass transfer rates from individual air bubbles into water of differing quality was measured with high accuracy by a gas chromatograph. The bubbles were released at the bottom of a plexiglass column which was filled with either distilled, tap, or sewage water. They were collected
Experiments with 1 wt% aqueous CMC in a 14 cm diameter bubble column revealed biiodal bubble size distributions: large bubbles which conveyed most of the gas in plug flow and small bubbles. Dynamic and steady state oxygen transfer experiments showed that the small bubbles (i) contributed 20 to 50% o