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The devel opment of a high pressure water scrubber requires the determination of the volume-to-surface ratio of the bubbles generated at the bottom of a water column. The technique developed so far to measure the diameter ofbubbles was inadequate to measure dense populations of bubbles. A mechanical bubble sampling technique which enables isolation of a representative sample of the population was developed and tested. Bubble size distributions and Sauter mean diameter (^3,2) measured using the bubble sampler were not significantly different from those obtained without the help of the sampler. The sampling technique along with air flow and pressure measurement made pos sible the characterization of a bubble generator used in the high pressure water scrubber.
C. Vigneault, B. Panneton, V. Orsat and G.S.V. Raghavan 1992. DIFFUSER CHARACTERIZATION USING A MECHANICAL SAMPLER FOR HIGH DENSITY CLOUDS OF BUBBLES. Canadian Agricultural Engineering 34(4):353-357.
Canadian Society for Bioengineering